- "Specification of monochromator crystals for diffraction-limited x-ray optical performance,"
SPIE 13150 131500A, 1-10 (2024). DOI 10.1117/12.3028642 LINK - "Controlling cantilevered adaptive X-ray mirrors,"
Journal of Synchrotron Radiation 31 (5), 1-7 (2024). DOI 10.1107/S1600577524006234 LINK - "Beamline Optics and Modeling School (BLOMS) 2023,"
Synchrotron Radiation News 0 (0), 1-2 (2023). DOI 10.1080/08940886.2023.2274746 LINK - "X-ray wavefront sensor development at the Advanced Light Source,"
SPIE 12697 1, 1-12 (2023). DOI 10.1117/12.2679136 LINK - "Thickness dependence of piezo-bimorph adaptive mirror bending,"
Review of Scientific Instruments 94 (073101), 1-6 (2023). DOI 10.1063/5.0154575 LINK - "Real-time machine-learning-driven control system of a deformable mirror for achieving aberration-free X-ray wavefronts,"
Optics Express 31 (13), 21264-21279 (2023). DOI 10.1364/OE.488189 LINK - "A real-time machine-learning-driven control system of a deformable mirror for achieving aberration-free hard X-ray wavefronts,"
Optica Open preprint, 1-1 (2023). DOI 10.1364/opticaopen.22128686.v1 LINK - "Off-axis representation of hyperbolic mirror shapes for X-ray beamlines,"
Journal of Synchrotron Radiation 30 (3), 1-5 (2023). DOI 10.1107/S1600577523001492 LINK - "Data-driven modeling and control of an X-ray bimorph adaptive mirror,"
Journal of Synchrotron Radiation 30 (1), (2023). DOI 10.1107/S1600577522011080 LINK - "Derivation of closed-form ellipsoidal X-ray mirror shapes from Fermat's Principle,"
Journal of Synchrotron Radiation 29 (4), 991-996 (2022). DOI 10.1107/S1600577522005793 LINK - "Analytic descriptions of parabolic X-ray mirrors,"
Journal of Synchrotron Radiation 29 (4), 985-990 (2022). DOI 10.1107/S1600577522004593 LINK - "Wavefront Preservation in Soft X-Ray Beamlines for the Advanced Light Source Upgrade,"
Synchrotron Radiation News 34 (6), 21-26 (2021). DOI 10.1080/08940886.2021.2022398 LINK - "Binary Amplitude Reflection Gratings for X-ray Shearing and Hartmann Wavefront Sensors,"
Sensors 21 (2), 536 (2021). DOI 10.3390/s21020536 LINK - "Diaboloidal mirrors: algebraic solution and surface shape approximations,"
Journal of Synchrotron Radiation 28 (4), 1-10 (2021). DOI 10.1107/S1600577521004860 LINK - "Simulations of applications using diaboloid mirrors,"
Journal of Synchrotron Radiation 28 (4), 1-9 (2021). DOI 10.1107/S160057752100401X LINK - "Pseudo-grayscale halftone gratings for shearing and Hartmann wavefront sensors,"
Optics Letters 46 (4), 729-732 (2021). DOI 10.1364/OL.417408 LINK - "Binary Amplitude Reflection Gratings for X-ray Shearing and Hartmann Wavefront Sensors,"
Sensors 21 (2), 536 (2021). DOI 10.3390/s21020536 LINK - "Compensation of heat deformations by adaptive optics in beamline simulations,"
SPIE 11493 1, 114930Q (2020). DOI 10.1117/12.2569300 LINK - "Preliminary design of a set of four beamlines for the DLSR upgrade of the advanced light source,"
SPIE 11493 1, 1149304 (2020). DOI 10.1117/12.2569298 LINK - "Experimental verification of high-NA imaging simulations using SHARP,"
SPIE 11517 1151714, 1-15 (2020). DOI 10.1117/12.2572846 LINK - "Compensation of heat load deformations using adaptive optics for the ALS upgrade: a wave optics study,"
Journal of Synchrotron Radiation 27, 1-12 (2020). DOI 10.1107/S1600577520009522 LINK - "Reflective binary amplitude grating for soft x-ray shearing and Hartmann wavefront sensing,"
Optics Letters 45 (17), 4694-4697 (2020). DOI 10.1364/OL.398737 LINK - "Extreme ultraviolet microscope characterization using photomask surface roughness,"
Scientific Reports 10 (1), 2504-11 (2020). DOI 10.1038/s41598-020-68588-w LINK - "Adaptive shape control of wavefront-preserving X-ray mirrors with active cooling and heating,"
Optics Express 28 (13), 19242-54 (2020). DOI 10.1364/OE.394310 LINK - "Collaborative development of diffraction-limited beamline optical systems at US DOE light sources,"
SPIE 11109 111090C, (2019). DOI 10.1117/12.2530817 LINK - "Upgrade to the SHARP EUV mask microscope,"
SPIE 10957 109570V, (2019). DOI 10.1117/12.2516387 LINK - "A New Light for Berkeley Lab--the Advanced Light Source Upgrade,"
Synchrotron Radiation News 32 (1), 32-36 (2019). DOI 10.1080/08940886.2019.1559608 LINK - "Development of wavefront sensors for diffraction-limited light sources,"
6th DLSR Workshop, Berkeley, USA 29-31 October, 2018 (Abstract) - "Optical beamline modelling for ALS-U,"
6th DLSR Workshop, Berkeley, USA 29-31 October, 2018 (Abstract) - "Design of shearing and Hartmann wavefront sensors for diffraction-limited beamlines,"
SRI 2018, Taipei, Taiwan. 10-15 June, 2018 (Abstract) - "Wavefront Preserving Mirrors for Free Electron Laser and Diffraction Limited Storage Ring applications,"
SRI 2018, Taipei, Taiwan. 10-15 June, 2018 (Abstract) - "Fine alignment of x-ray optics using wavefront sensor measurements,"
IWXM 2018, Hsinchu, Taiwan (Abstract) - "Field-varying aberration recovery in EUV microscopy using mask roughness,"
Computational Optical Sensing and Imaging CW2E.2, (2018). DOI 10.1364/COSI.2018.CW2E.2 LINK - "Design and demonstration of tunable soft x-ray lateral shearing and Hartmann wavefront sensors,"
SPIE 10760 1076003, (2018). DOI 10.1117/12.2321642 LINK - "EUV photolithography mask inspection using Fourier ptychography,"
SPIE 10656 106560W, 106560W (2018). DOI 10.1117/12.2307860 LINK - "Measurement of through-focus EUV pattern shifts using the SHARP actinic microscope,"
SPIE 10450 1045008, (2017). DOI 10.1117/12.2280371 LINK - "Image-based pupil plane characterization via a space-domain basis,"
J. of Micro/Nanolithography, MEMS, and MOEMS 16 (2), 023509-1-11 (2017). DOI 10.1117/1.JMM.16.2.023509 LINK - "Taking a SHARP look at mask 3D effects,"
SPIE 10450 104500Y, (2017). DOI 10.1117/12.2281109 LINK - "EUV mask roughness can recover litho-tool aberrations,"
SPIE 10450 104500S, 106560W (2017). DOI 10.1117/12.2281519 LINK - "EUV extendibility research at Berkeley Lab,"
IEEE VLSI Technology, Systems and Application (VLSI-TSA) April 24, 2017 (Abstract) - "Amplitude versus phase effects in extreme ultraviolet lithography mask scattering and imaging,"
Applied Optics 56 (12), 3325-8 (2017). DOI 10.1364/AO.56.003325 LINK - "Preface: The 5th International Workshop on X-ray Mirror Design, Fabrication, and Metrology,"
Review of Scientific Instruments 87 051701, 1-2 (2016). DOI 10.1063/1.4950776 LINK - "Multiplexed high resolution soft x-ray RIXS,"
AIP Conference Proceedings 1741, 050011 (2016). DOI 10.1063/1.4952931 LINK - "Off-axis aberration estimation in an EUV microscope using natural speckle,"
2016 Imaging and Applied Optics Congress ITh1F.2, (2016). DOI 10.1364/ISA.2016.ITh1F.2 LINK - "Emulation of anamorphic imaging on the SHARP extreme ultraviolet mask microscope,"
J. Micro/Nanolith. MEMS MOEMS 15 (3), 033501 (2016). DOI 10.1117/1.JMM.15.3.033501 LINK - "Measurement of EUV lithography pupil amplitude and phase variation via image-based methodology,"
J. Micro/Nanolith. MEMS MOEMS 15 (2), 023508 (2016). DOI 10.1117/1.JMM.15.2.023508 LINK - "Ultrahigh efficiency EUV contact-hole printing with chromeless phase shift mask,"
SPIE 9984 99840P, (2016). DOI 10.1117/12.2243321 LINK - "Optimized mirror shape tuning using beam weightings based on distance, angle of incidence, reflectivity, and power,"
Review of Scientific Instruments 87 (051805), (2016). DOI 10.1063/1.4950747 LINK - "Emulation of anamorphic imaging on the SHARP EUV mask microscope,"
SPIE 9776 97761J, (2016). DOI 10.1117/12.2219294 LINK - "Fourier Ptychography imaging for the study of EUV lithography photomasks,"
SPIE February 24, 2016 (Abstract) - "Image-based pupil plane characterization via principal component analysis for EUVL tools,"
SPIE 9776 977618, (2016). DOI 10.1117/12.2219745 LINK - "Aerial imaging study of the mask-induced line-width roughness of EUV lithography mask,"
SPIE 9776 97760H, (2016). DOI 10.1117/12.2219513 LINK - "Enabling EUV Resist Research at the 1x and Smaller Regime,"
J. Photopolym. Sci. Technol. 28 (6), 777-82 (2015). DOI 10.2494/photopolymer.28.777 LINK - "EUV actinic brightfield mask microscopy for predicting printed defect images,"
SPIE 9635 963514, (2015). DOI 10.1117/12.2196966 LINK - "Examination of phase retrieval algorithms for patterned EUV mask metrology,"
SPIE 9635 96350F, (2015). DOI 10.1117/12.2197868 LINK - "Using the SHARP EUV Microscope's aerial images to study line edge roughness,"
2015 International Symposium on EUV Lithography, Maastricht, The Netherlands October 5, 2015 (Abstract) - "Actinic mask imaging: Taking a SHARP look at next generation photomasks,"
2015 International Symposium on EUV Lithography, Maastricht, The Netherlands October 7, 2015 (Abstract) - "Assessment of AIMS™ EUV and SHARP actinic wavelength mask defect review tools for the evaluation of blank defect printability,"
2015 International Symposium on EUV Lithography, Maastricht, The Netherlands October 5, 2015 (Abstract) - "EUV Research at Berkeley Lab: Enabling Technologies and Applications,"
X-Ray Lasers 2014: Proceedings of the 14th International Conference on X-Ray Lasers (2015). - "Mask blank defect printability comparison using optical and SEM mask and wafer inspection and bright field actinic mask imaging,"
SPIE 9658 96580E, (2015). DOI 10.1117/12.2201048 LINK - "Demonstration of 22-nm half pitch resolution on the SHARP EUV microscope,"
Journal of Vacuum Science and Technology B 33 (6), 06FE01 (2015). DOI 10.1116/1.4929509 LINK - "Partially Coherent Quantitative Phase Retrieval for EUV Lithography,"
OSA Computational Optical Sensing and Imaging (COSI) 2015 , ITH2A (2015). DOI 10.1364/ISA.2015.ITH2A.4 LINK - "Evaluating printability of buried native extreme ultraviolet mask phase defects through a modeling and simulation approach,"
J. Micro/Nanolith. MEMS MOEMS 14 (2), 023505 (2015). DOI 10.1117/1.JMM.14.2.023505 LINK - "Modal wavefront reconstruction from its gradient,"
Applied Optics 54 (12), 3780-5 (2015). DOI 10.1364/AO.54.003780 LINK - "Level-set multilayer growth model for predicting printability of buried native extreme ultraviolet mask defects,"
Journal of Vacuum Science and Technology B 33 (6), 021602 (2015). DOI 10.1116/1.4913315 LINK - "Broader view on extreme ultraviolet masks: adding complementary imaging modes to the SHARP microscope,"
J. Micro/Nanolith. MEMS MOEMS 14 (1), 013507 (2015). DOI 10.1117/1.JMM.14.1.013507 LINK - "Enhancing defect detection with Zernike phase contrast in EUV multilayer blank inspection,"
SPIE 9422 94221C, (2015). DOI 10.1117/12.2087532 LINK - "New ways of looking at masks with the SHARP EUV microscope,"
SPIE 9422 94221A, (2015). DOI 10.1117/12.2175553 LINK - "A Method of Image-Based Aberration Metrology for EUVL Tools,"
SPIE 9422 942215, (2015). DOI 10.1117/12.2087177 LINK - "Phase measurements of EUV mask defects,"
SPIE 9422 942217, (2015). DOI 10.1117/12.2087195 LINK - "Aberration estimation using EUV mask roughness,"
SPIE 9422 942214, (2015). DOI 10.1117/12.2087513 LINK - "Evaluating Printability of Buried Native EUV Mask Phase Defects through a Modeling and Simulation Approach,"
SPIE 9422 94220Q, (2015). DOI 10.1117/12.2175842 LINK - "Understanding EUV mask blank surface roughness induced LWR and associated roughness requirement,"
SPIE 9422 94220J, (2015). DOI 10.1117/12.2087041 LINK - "Electro-optical system for scanning microscopy of extreme ultraviolet masks with a high harmonic generation source,"
Optics Express 22 (17), 20144-54 (2014). DOI 10.1364/OE.22.020144 LINK - "Phase-enhanced defect sensitivity for EUV mask inspection,"
SPIE 9235 92350L, (2014). DOI 10.1117/12.2069291 LINK - "Extreme ultraviolet mask roughness: requirements, characterization, and modeling,"
SPIE Photomask Japan 9256 92560J, (2014). DOI 10.1117/12.2070303 LINK - "Actinic Mask Imaging: Emulating Current and Future Litho Tools with the SHARP EUV Microscope,"
SPIE Photomask Japan April 16, 2014 (Abstract) - "Phase-enhanced Defect Sensitivity for EUV Mask Inspection,"
EUVL Symposium 2014 October 28, 2014 (Abstract) - "Source optimization at the SHARP microscope,"
EUVL Symposium 2014 (Abstract) - "Fourier Ptychography Microscopy with the SHARP EUV Microscope for increased imaging resolution based on illumination diversity,"
EUVL Symposium 2014 (Abstract) - "New Source and Imaging Capabilities of the SHARP EUV Mask Microscope,"
EUVL Symposium 2014 (Abstract) - "Investigating Printability of Native Defects on EUV Mask Blanks through Simulations and Experiments,"
EUVL Symposium 2014 (Abstract) - "Experimental measurements of telecentricity errors in high-numerical-aperture extreme ultraviolet mask images,"
Journal of Vacuum Science and Technology B 32 (6), 06F801 (2014). DOI 10.1116/1.4901876 LINK - "Gradient descent algorithm applied to wavefront retrieval from through-focus images by an extreme ultraviolet microscope with partially coherent source,"
Journal of the Optical Society of America A 31 (12), B34-43 (2014). DOI 10.1364/JOSAA.31.000B34 LINK - "A broader view on EUV-masks: adding complementary imaging modes to the SHARP microscope,"
SPIE Photomask 9235 92350K, (2014). DOI 10.1117/12.2065513 LINK - "Actinic mask imaging: Recent results and future directions from the SHARP EUV Microscope,"
SPIE 9048 90480Y, (2014). DOI 10.1117/12.2048364 LINK - "A sharper look at EUV masks,"
EUVL Symposium 2013, Toyama, Japan , (2013). - "Micron-scale lens array having diffracting structures,"
U.S. Patent No. 8,569,678, October 29, 2013 - "The SEMATECH high-NA actinic reticle review project (SHARP) EUV mask-imaging microscope
,"
SPIE 8880 88800T, (2013). DOI 10.1117/12.2026496 LINK - "Recovering Effective Amplitude and Phase Roughness of EUV Masks,"
Proc. SPIE 8880 88802B, (2013). DOI 10.1117/12.2027828 LINK - "Increased depth of field through wave-front coding: using an off-axis zone plate lens with cubic phase modulation in an EUV microscope
,"
Proc. SPIE 8880 88801R, (2013). DOI 10.1117/12.2025954 LINK - "Pupil shaping and coherence control in an EUV mask-imaging microscope
,"
Proc. SPIE 8880 888022, (2013). DOI 10.1117/12.2026498 LINK - "Metrology for the Advancement of X-ray Optics at the ALS,"
Synchrotron Radiation News 26 (5), 4-12 (2013). - "Methodology for optimal in situ alignment and setting of bendable optics for nearly diffraction-limited focusing of soft x-rays,"
Optical Engineering 52 (3), 033603-1-13 (2013). DOI 10.1117/1.OE.52.3.033603 LINK - "Experimental methods for optimal tuning and alignment of bendable mirrors for diffraction-limited soft x-ray focusing,"
Journal of Physics: Conf. Ser. 425 (152003 ), (2013). DOI 10.1088/1742-6596/425/15/152003 LINK - "In Situ Fine Tuning of Bendable Soft X-ray Mirrors using a Lateral Shearing Interferometer,"
Nuclear Instruments and Methods in Physics Research A 710 (2013), 82-86 (2013). DOI 10.1016/j.nima.2012.10.105 LINK - "Commissioning an EUV mask microscope for lithography generations reaching 8 nm,"
SPIE 8679 867919, (2013). DOI 10.1117/12.2011688 LINK - "Application of phase shift focus monitor in EUVL process control,"
SPIE 8679 86790T, (2013). DOI 10.1117/12.2011342 LINK - "Experimental methods for optimal tuning and alignment of bendable mirrors for diffraction-limited soft x-ray focusing,"
(11th International Conference on Synchrotron Radiation Instrumentation, SRI 2012) Journal of Physics: Conference Series 425 (152003), (2012). DOI 10.1088/1742-6596/425/15/152003 LINK - "Development of optical metrology for precision characterization, tuning, and alignment of x-ray optics at the ALS,"
11th Biennial Conference on High Resolution X-Ray Diffraction and Imaging, XTOP2012 September 15-20 (Abstract) - "Ex situ tuning of bendable x-ray mirrors for optimal beamline performance,"
Proc. SPIE 8501 850109, (2012). DOI 10.1117/12.930156 LINK - "Methodology for optimal in situ alignment and setting of bendable optics for diffraction-limited focusing of soft x-rays,"
Proc. SPIE 8501 850108, (2012). DOI 10.1117/12.930023 LINK - "Creating an EUV Mask Microscope for Lithography Generations Reaching 8 nm,"
Precision Engineering and Mechatronics Supporting the Semiconductor Industry , 4-7 (2012). LINK - "The SEMATECH Berkeley MET: demonstration of 15-nm half-pitch in chemically amplified EUV resist and sensitivity of EUV resists at 6.x-nm,"
Proc. SPIE 8322, 832212 (2012). DOI 10.1117/12.917386 LINK - "EUV mask multilayer defects and their printability under different multilayer deposition conditions,"
Proc. SPIE 8322, 832209 (2012). DOI 10.1117/12.916374 LINK - "EUV Actinic Imaging Tool Aerial Image Evaluation of EUVL Embedded Phase Shift Mask Performance,"
Proc. SPIE 8322, 83221P (2012). DOI 10.1117/12.919710 LINK - "Printability Study of Pattern Defects in the EUV Mask as a Function of hp Nodes,"
Proc. SPIE 8322, 83220A (2012). DOI 10.1117/12.916374 LINK - "Development of in situ, at-wavelength metrology for soft X-ray nano-focusing,"
Nuclear Instruments and Methods in Physics Research A 649, 160-162 (2011). DOI 10.1016/j.nima.2010.10.134 LINK - "Design optimization of bendable x-ray mirrors,"
Proc. SPIE 8141, 81410K (2011). DOI 10.1117/12.894175 LINK - "An experimental apparatus for diffraction-limited soft x-ray nano-focusing,"
Proc. SPIE 8139, 813907 (2011). DOI 10.1117/12.894116 LINK - "Accelerating EUV learning with synchrotron light: mask roughness challenges ahead,"
Proc. SPIE 8166, 81660F (2011). DOI 10.1117/12.900488 LINK - "Printability of native blank defects and programmed defects and their stack structures,"
Proc. SPIE 8166, 81660H (2011). DOI 10.1117/12.897165 LINK - "Characterization of Mo/Si multilayer growth on stepped topographies,"
Journal of Vacuum Science and Technology B 29 (5), 051803 (2011). DOI 10.1116/1.3628640 LINK - "Design optimization of bendable x-ray mirrors,"
SPIE 8141, 81410K (2011). DOI 10.1117/12.894175 LINK - "Cross-check of ex-situ and in-situ metrology of a bendable temperature stabilized KB mirror,"
Nuclear Instruments and Methods in Physics Research A 635 , S58-S63 (2011). DOI 10.1016/j.nima.2010.09.120 LINK - "Actinic Characterization of EUV Bump-Type Phase Defects,"
Journal of Vacuum Science and Technology B 29 (6), 06F502-1-6 (2011). DOI 10.1116/1.3653257 LINK - "Using synchrotron light to accelerate EUV resist and mask materials learning,"
SPIE 7985 798509, (2011). DOI 10.1117/12.885420 LINK - "The SEMATECH Berkeley MET: extending EUV learning down to 16nm half pitch,"
SPIE 7969 79690R, 1-6 (2011). DOI 10.1117/12.881573 LINK - "Critical challenges for EUV resist materials,"
SPIE 7972 797202, 1-10 (2011). DOI 10.1117/12.882955 LINK - "Optical modeling of Fresnel zoneplate microscopes,"
Applied Optics 50 (20), 3678-3684 (2011). DOI 10.1364/AO.50.003678 LINK - "Replicated mask surface roughness effects on EUV lithographic patterning and line edge roughness,"
SPIE 7969, 79690E (2011). DOI 10.1117/12.881524 LINK - "Printability and inspectability of Defects on the EUV Mask for sub32nm Half Pitch HVM Application,"
SPIE 7969 796902, (2011). DOI 10.1117/12.879384 LINK - "Quantitative evaluation of mask phase defects from through-focus EUV aerial images,"
SPIE 7969, 79691X (2011). DOI 10.1117/12.881652 LINK - "An EUV Fresnel zoneplate mask-imaging microscope for lithography generations reaching 8 nm,"
SPIE 7969, 79691O (2011). DOI 10.1117/12.881651 LINK - "Reflection microscope for actinic mask inspection and other progress in soft x-ray laser nano-imaging,"
X-Ray Lasers 2010, Springer Proceedings in Physics, 2011 136 7, 359-70 (2010). DOI 10.1007/978-94-007-1186-0_41 LINK - "Table-top Extreme Ultraviolet Laser Aerial Imaging of Lithographic Masks,"
in Conference on Laser Electro-Optics: Applications, OSA Technical Digest (CD) (Optical Society of America, 2010) AFA5, (2010). LINK - "Photon flux requirements for extreme ultraviolet reticle imaging in the 22- and 16-nm nodes,"
J. Micro/Nanolith. MEMS MOEMS 9 (041205), 041205-1-8 (2010). DOI 10.1117/1.3491512 LINK - "EUV Mask Status: Par 13.5,"
Invited Presentation, SEMATECH Mask Cleaning Workshop, Monterey, CA September 13, 2010 (Abstract) - "At-wavelength optical metrology development at the ALS,"
SPIE Optical Engineering & Applications 7801 78010D, 1-13 (2010). DOI 10.1117/12.859946 LINK - "Elliptically Bent X-ray Mirrors with Active Temperature Stabilization,"
X-Ray Optics and Instrumentation 2010 (784732), (2010). DOI 10.1155/2010/784732 LINK - "Bendable Focusing X-Ray Optics for the ALS and the LCLS/FEL: Design, Metrology, and Performance,"
Workshop on Photon Beamlines & Diagnostics June 29, 2010 (Abstract) - "Extreme ultraviolet laser-based table-top aerial image metrology of lithographic masks,"
Optics Express 18 (14), 14467-73 (2010). DOI 10.1364/OE.18.014467 LINK - "Wavelength-Specific Reflections: A Decade of EUV Actinic Mask Inspection Research,"
Journal of Vacuum Science and Technology B 28 (6), C6E1-10 (2010). DOI 10.1116/1.3498757 LINK - "Actinic imaging and evaluation of phase structures on EUV lithography masks,"
Journal of Vacuum Science and Technology B 28 (6), C6E11-16 (2010). DOI 10.1116/1.3498756 LINK - "Extreme ultraviolet mask substrate surface roughness effects on lithographic patterning,"
Journal of Vacuum Science and Technology B 28 (6), (2010). DOI 10.1116/1.3502436 LINK - "Study of Real Defects on EUV Blanks and a Strategy for EUV Mask Inspection,"
SPIE 7545 7545N, 1-8 (2010). DOI 10.1117/12.863559 LINK - "Effect of carbon contamination on the printing performance of extreme ultraviolet masks,"
Journal of Vacuum Science and Technology B 28 (2), 321-328 (2010). DOI 10.1116/1.3333434 LINK - "Printability and inspectability study with substrate programmed pit defects in EUV lithography,"
SPIE 7636, 76361B (2010). DOI 10.1117/12.847956 LINK - "EUV-multilayers on grating-like topographies,"
SPIE 7636 76362S, 76362S-1-5 (2010). DOI 10.1117/12.846564 LINK - "Particle removal challenges of EUV patterned masks for the sub-22-nm HP node,"
SPIE 7636, 76360N (2010). DOI 10.1117/12.847056 LINK - "Photon flux requirements for EUV-reticle imaging microscopy in the 22- and 16-nm nodes,"
SPIE 7636, 76362L-1-10 (2010). DOI 10.1117/1.3491512 LINK - "Actinic imaging of native and programmed defects on a full-field mask,"
SPIE 7636, 76361A-1-9 (2010). DOI 10.1117/12.846670 LINK - "Improved performance of a table-top actinic full-field microscope with EUV laser illumination,"
SPIE February 24, 2010 (Abstract) - "Iterative procedure for in-situ optical testing with an incoherent source,"
SPIE 7637, 76361K-1-7 (2010). DOI 10.1117/12.846235 LINK - "The SEMATECH Berkeley MET pushing EUV development beyond 22-nm half pitch,"
SPIE 7636, 76361J-1-9 (2010). DOI 10.1117/12.848438 LINK - "A study of defects on EUV masks using blank inspection, patterned mask inspection, and wafer inspection,"
SPIE 7636, 76360K-1-7 (2010). DOI 10.1117/12.846922 LINK - "Carbon Contamination Topography Analysis of EUV Masks,"
SPIE 7636, 76360G-1-8 (2010). DOI 10.1117/12.846996 LINK - "13.2 nm Table-Top Inspection Microscope for Extreme Ultraviolet Lithography Mask Defect Characterization,"
CLEO/IQEC JFA5, (2009). LINK - "Advances in full field microscopy with table-top soft x-ray lasers,"
SPIE 7451 74510I, (2009). DOI 10.1117/12.826419 LINK - "Investigation of buried EUV mask defect printability using actinic inspection and fast simulation,"
SPIE 7488 74882H, (2009). DOI 10.1117/12.829716 LINK - "The Study on the Native Real Defect on EUV Mask Blank Using DUV Blank Inspection Tool and SEMATECH AIT,"
2009 International Symposium on Extreme Ultraviolet Lithography, Prague October 2009 (Abstract) - "Using the 0.3-NA SEMATECH Berkeley MET for Sub-22 nm Half Pitch Development,"
2009 International Symposium on Extreme Ultraviolet Lithography, Prague October 2009 (Abstract) - "Effects of Multilayer Depositions on the EUV Printability and DUV Inspectability of Substrate Pit Defects,"
2009 International Symposium on Extreme Ultraviolet Lithography October 2009 (Abstract) - "Actinic imaging of known native defects on a full-field mask,"
2009 International Symposium on Extreme Ultraviolet Lithography October 2009 (Abstract) - "Progress in actinic mask imaging: the closest look at lines, defects in phase roughness,"
2009 International Symposium on Extreme Ultraviolet Lithography October 2009 (Abstract) - "Surface Slope Metrology on Deformable Soft X-ray Mirrors,"
The Tenth International Conference on Synchrotron Radiation Instrumentation, Australia , (2009). LINK - "Surface slope metrology and interferometric wave front measurements on deformable soft x-ray mirrors performed in the laboratory and in-situ at-wavelength,"
AIP Conference Proceedings 1234, The Tenth International Conference on Synchrotron Radiation Instrumentation, Melbourne, Australia , (2009). - "At-wavelength and optical metrology of bendable x-ray optics for nanofocusing at the ALS,"
Frontiers in Optics (FiO), OSA Annual Meeting 2009 FThT2, (2009). LINK - "Impact of carbon contamination on EUV masks,"
SPIE Photomask (BACUS) September 17 (Abstract) - "Pushing extreme ultraviolet lithography development beyond 22 nm half pitch,"
Journal of Vacuum Science and Technology B 27 (6), 2911-15 (2009). DOI 10.1116/1.3237092 LINK - "Comparison of fast three-dimensional simulation and actinic inspection for extreme ultraviolet masks with buried defects and absorber features,"
Journal of Vacuum Science and Technology B 27 (6), 2888-93 (2009). DOI 10.1116/1.3244624 LINK - "Effects of multilayer depositions on the EUV printability and DUV inspectability of substrate pit defects,"
2009 EUVL Symposium, Prague, Czech Republic October 2009 (Abstract) - "Microscopy of extreme ultraviolet lithography masks with 13.2 nm tabletop laser illumination,"
Optics Letters 34 (3), 271-3 (2009). DOI 10.1364/OL.34.000271 LINK - "EUV Actinic Defect Inspection and Defect Printability at the Sub-32 nm Half-pitch,"
SPIE 7470, 74700Y (2009). DOI 10.1117/12.835196 LINK - "Thorough characterization of a EUV mask,"
Proc. SPIE 7379, 73790J (2009). DOI 10.1117/12.824260 LINK - "EUV pattern defect detection sensitivity based on aerial image linewidth measurements,"
Journal of Vacuum Science and Technology B 27 (6), 2916-21 (2009). DOI 10.1116/1.3244624 LINK - "Using aberration test patterns to optimize the performance of EUV aerial imaging microscopes,"
J. Vac. Sci. & Technol. B (Abstract) - "The SEMATECH Berkeley microfield exposure tool: learning at the 22-nm node and beyond,"
SPIE 7271 72710W, 72710W-1-11 (2009). DOI 10.1117/12.814232 LINK - "Carbon Contamination of Extreme Ultraviolet (EUV) Masks and its Effect on Imaging,"
SPIE 7271, 72713U (2009). DOI 10.1117/12.814196 LINK - "Mask Defect Verification Using Actinic Inspection and Defect Mitigation Technology,"
SPIE 7271 72713J, 72713J-1-9 (2009). DOI 10.1117/12.814249 LINK - "Analysis of systematic errors in lateral shearing interferometry for EUV optical testing,"
SPIE 7272 72721V, (2009). DOI 10.1117/12.812340 LINK - "Inspection 13.2 nm table-top full-field microscope,"
SPIE 7271 72713F-1, 72713F-1-7 (2009). DOI 10.1117/12.814320 LINK - "Improving the performance of the Actinic Inspection Tool with an optimized alignment procedure,"
SPIE 7271 727123, 727123-1-9 (2009). DOI 10.1117/12.814261 LINK - "Collecting EUV mask images through focus by wavelength tuning,"
SPIE 7271 72713N, 72713N-1-8 (2009). DOI 10.1117/12.824433 LINK - "Comparison of fast 3D simulation and actinic inspection for EUV masks with buried defects,"
SPIE 7271 72711F, (2009). DOI 10.1116/1.3244624 LINK - "Lateral shearing interferometry for EUV optical testing,"
EUVL Symposium 2008 September 29, 2008 (Abstract) - "EUV Optical Testing,"
"EUV Lithography," Ed. Vivek Bakshi, SPIE Press (2008). - "High Resolution 13.2 nm Reflection Microscopy on a Table Top,"
EUVL Symposium 2008 September 2008 (Abstract) - "EUV Actinic Defect Inspection and Imaging For the Sub-32 nm Half-pitch,"
EUVL Symposium 2008 September 2008 (Abstract) - "Characterization of EUV Mask Defects: Printability and Repair Process,"
EUVL Symposium 2008 September 2008 (Abstract) - "EUV Reticle Contamination and Cleaning,"
EUVL Symposium 2008 September 2008 (Abstract) - "The SEMATECH Berkeley MET: Learning at the 22 nm Node,"
EUVL Symposium 2008 September 2008 (Abstract) - "Mask Effects on LER,"
EUVL Symposium 2008 September 2008 (Abstract) - "Achieving Diffraction-limited EUV Aerial Image Microscopy,"
EUVL Symposium 2008 September 2008 (Abstract) - "Aerial Image Linewidth Measurement Capabilities of the Actinic Inspection Tool,"
EUVL Symposium 2008 September 2008 (Abstract) - "Actinic extreme ultraviolet mask inspection beyond 0.25 numerical aperture,"
Journal of Vacuum Science and Technology B 26 (6), 2220-4 (2008). DOI 10.1116/1.3002490 LINK - "Benchmarking EUV mask inspection beyond 0.25 NA,"
SPIE Photomask (BACUS) 7122, 71222E-1 (2008). DOI 10.1117/12.801529 LINK - "EUV mask inspection: a bright idea?,"
2008 International Workshop on EUV Lithography , (2008). - "A Survey of EUV At-Wavelength Optical Testing,"
2008 International Workshop on EUV Lithography , (2008). - "Advanced X-ray Optics Metrology for Nanofocusing and Coherence Preservation,"
Synchrotron Radiation News 21 (2), 11-12 (2008). - "Evaluating EUV-mask pattern imaging with two EUV microscopes,"
Proc. SPIE (Abstract) - "EUV mask reflectivity measurements with micron-scale spatial resolution,"
Proc. SPIE 6921, 69213U (2008). DOI 10.1117/12.772971 LINK - "Advanced extreme-ultraviolet resist testing using the SEMATECH Berkeley 0.3-NA microfield exposure tool,"
Proc. SPIE 6921, 69213N (2008). DOI 10.1117/12.773833 LINK - "Determining the critical size of EUV-mask substrate defects,"
Proc. SPIE 6921, 69211Y (2008). DOI 10.1117/12.772590 LINK - "Evaluation of EUV Mask Repair Methods in Si-capping & Ru-capping Blanks,"
EUVL Symposium 2007, Sapporo, Japan October 31, 2007 (Abstract) - "Actinic microscope for EUV masks using a stand-along source for imaging and contamination studies of EUV masks,"
EUVL Symposium 2007, Sapporo, Japan October 31, 2007 (Abstract) - "Benchmarking Mask Imaging with the Actinic Imaging Tool,"
EUVL Symposium 2007, Sapporo, Japan October 29, 2007 (Abstract) - "Detectability and printability of EUVL-mask blank defects for the 32-nm HP node
,"
Proc. SPIE Photomask (BACUS) 6730 673013, 673013-1-9 (2007). DOI 10.1117/12.746698 LINK - "Performance of actinic EUVL mask imaging using a zoneplate microscope
,"
Proc. SPIE Photomask (BACUS) 6730 67305E, 67305E-1-12 (2007). DOI 10.1117/12.746756 LINK - "Advanced resist testing using the SEMATECH Berkeley extreme ultraviolet microfield exposure tool,"
Journal of Vacuum Science and Technology B 25 (6), 2132-5 (2007). DOI 10.1116/1.2781522 LINK - "Recent results from the Berkeley 0.3-NA EUV microfield exposure tool,"
SPIE 6517, 65170V-1-8 (2007). DOI 10.1117/12.713440 LINK - "EUV MET printing and actinic imaging analysis on the effects of phase defects on wafer CDs,"
Proc. SPIE 6517, 65170B-1-10 (2007). DOI 10.1117/12.711166 LINK - "EUV and non-EUV inspection of reticle defect repair sites,"
Proc. SPIE 6517, 65170C-1-7 (2007). DOI 10.1117/12.712202 LINK - "Advanced 0.3-NA EUV lithography capabilities at the ALS,"
NGL 2005, Tokyo, Japan , (2006). - "Multilayer defects nucleated by substrate pits: a comparison of actinic inspection and non-actinic inspection techniques,"
SPIE 6349, 63492M (2006). DOI 10.1117/12.686742 LINK - "Comparison of actinic and non-actinic inspection of programmed defect masks,"
EUVL Symposium 2006 October 18, 2006 (Abstract) - "Actinic Inspection of EUV Programmed Multilayer Defects and Cross-Comparison Measurements,"
Journal of Vacuum Science and Technology B 24 (6), 2824-28 (2006). DOI 10.1116/1.2375085 LINK - "Lithographic characterization of low-order aberrations in a 0.3-NA EUV microfield exposure tool,"
Proc. SPIE 6151, 822-828 (2006). LINK - "Investigation of the current resolution limits of advanced extreme ultraviolet (EUV) resists,"
Proc. SPIE 6151, 289-296 (2006). - "Diffractive optical element for extreme ultraviolet wavefront control,"
U.S. Patent No. 7,027,226, April 11, 2006 - "Testing EUV optics with EUV light: If you can measure it, you can make it,"
SPIE Newsroom: Optical Design & Engineering , (2006). - "Performance of EUV photoresists on the ALS micro exposure tool,"
SPIE 5753, 754-64 (2005). LINK - "X-ray beam metrology and x-ray optic alignment by Hartmann wavefront sensing,"
Proc. SPIE 5921, 63-72 (2005). - "Extreme Ultraviolet Lithography Capabilities at the Advanced Light Source Using a 0.3-NA Optic,"
IEEE Journal of Quantum Electronics 42 (104), 44-50 (2005). DOI 10.1109/JQE.2005.858450 LINK - "Lithographic characterization of the spherical error in an EUV optic using a programmable pupil fill illuminator,"
Applied Optics 45 (9), 1957-1963 (2005). DOI 10.1364/AO.45.001957 LINK - "Method and Apparatus for Inspecting an EUV Mask Blank,"
U.S. Patent No. 6,963,395, November 8, 2005 - "Lithographic characterization of the field dependent astigmatism and alignment stability of a 0.3 numerical aperture extreme ultraviolet microfield optic ,"
Journal of Vacuum Science and Technology B 23 (5), 2003-6 (2005). DOI 10.1116/1.2037647 LINK - "Investigation of the current resolution limits of advanced EUV resists,"
2005 International Symposium on Extreme Ultraviolet Lithography, San Diego, CA November 7-9 (Abstract) - "Lithographic characterization of low-order aberrations in the Berkeley MET tool,"
2005 International Symposium on Extreme Ultraviolet Lithography, San Diego, CA November 7-9 (Abstract) - "Extreme Ultraviolet Phase Contrast Imaging of Mask Defects,"
2005 International Symposium on Extreme Ultraviolet Lithography, San Diego, CA November 7-9 (Abstract) - "Actinic inspection of multilayer coated EUV masks at the ALS,"
2005 International Symposium on Extreme Ultraviolet Lithography, San Diego, CA November 7-9, 2005 (Abstract) - "Ultra-high-accuracy optical testing: creating diffraction-limited short-wavelength optical systems,"
Proc. SPIE 5900, 114-23 (2005). LINK - "Measuring line roughness through aerial image contrast variation using coherent extreme ultraviolet spatial filtering techniques,"
Journal of Vacuum Science and Technology B 23 (6), 2844-2847 (2005). DOI 10.1116/1.2134717 LINK - "Characterization of the synchrotron-based 0.3 numerical aperture extreme ultraviolet microexposure tool at the Advanced Light Source,"
Journal of Vacuum Science and Technology B 23 (6), 2840-2843 (2005). DOI 10.1116/1.2127940 LINK - "EUV Focus Sensor Design Optimization,"
Journal of Vacuum Science and Technology B 23 (6), 2885-90 (2005). DOI 10.1116/1.2134719 LINK - "EUV microexposures at the ALS using the 0.3-NA MET projection optics,"
Proc. SPIE 5751, 56-63 (2005). LINK - "EUV Focus Sensor: Design and Modeling,"
Proc. SPIE 5751, 312-19 (2005). DOI 10.1117/12.601522 LINK - "At-wavelength Alignment and Testing of the 0.3 NA MET Optic,"
3rd International EUVL Symposium, Miyazaki, Japan November 2-4, 2004 (Abstract) - "EUV system optimization and advanced lithography research at Lawrence Berkeley National Laboratory,"
MNC 2004, Osaka, Japan October 26-29, 2004 (Abstract) - "X ray Wavefront Hartmann Sensor,"
AIP Conf. Proc. 705 1, 819-822 (2004). LINK - "At-Wavelength Alignment and Testing of the 0.3 NA MET Optic,"
Journal of Vacuum Science and Technology B 22 (6), 2956-61 (2004). DOI 10.1116/1.1815303 LINK - "Extreme Ultraviolet Microexposures at the ALS using the 0.3-NA MET Optic,"
Journal of Vacuum Science and Technology B 22 (6), 2962-65 (2004). DOI 10.1116/1.1802851 LINK - "Dual-Domain Lateral Shearing Interferometer,"
U.S. Patent No. 6,707,560, March 16, 2004 - "Status of EUV micro-exposure capabilities at the ALS using the 0.3-NA MET optic,"
Proc. SPIE 5374, 881-891 (2004). - "EUV resist imaging below 50 nm using coherent spatial filtering techniques,"
Proc. SPIE 5374, 454-59 (2004). DOI 10.1117/12.535666 LINK - "EUV interferometric testing and alignment of the 0.3 NA MET optic,"
Proc. SPIE 5374, 64-73 (2004). DOI 10.1117/12.546199 LINK - "A synchrotron-based Fourier-synthesis custom-coherence illuminator ,"
AIP Conf. Proc. 705 1, 792-95 (2004). DOI 10.1063/1.1757915 LINK - "At-wavelength interferometry of high-NA diffraction-limited EUV optics,"
AIP Conf. Proc. 705 1, 855-860 (2004). LINK - "At-wavelength interferometry of the 0.3 NA MET Optic: measurements, alignment, preparations for imaging,"
Third Annual SEMATECH International EUVL Symposium, Antwerp, Belgium November, 2003 (Abstract) - "High resolution EUV microexposures at the ALS,"
3rd International EUVL Symposium, Miyazaki, Japan, November 2-4, 2004 (Abstract) - "New techniques for the measurement of x-ray beam or x-ray optics quality,"
Proc. SPIE 5197, 194-204 (2003). LINK - "Preparations for extreme ultraviolet interferometry of the 0.3 numerical aperture Micro Exposure Tool optic,"
Journal of Vacuum Science and Technology B 21 (6), 2706-10 (2003). DOI 10.1116/1.1627809 LINK - "Printing-based performance analysis of the engineering test stand set-2 optic using a synchrotron exposure station with variable sigma,"
Journal of Vacuum Science and Technology B 21 (6), 2697-2700 (2003). DOI 10.1116/1.1621669 LINK - "The effects of radiation induced carbon contamination on the performance of an EUV lithographic optic,"
Proc. SPIE 5037, 510-19 (2003). DOI 10.1117/12.499372 LINK - "Hartmann wave-front measurement at 13.4 nm with lambdaEUV/120 accuracy,"
Optics Letters 28 (17), 1534-36 (2003). DOI 10.1364/OL.28.001534 LINK - "XUV Hartmann wavefront sensor ,"
Eighth Internation Conference on Synchrotron Radiation Instrumentation, August 25-29, 2003, San Francisco, CA , (2003). - "Fourier-synthesis custom-coherence illuminator for EUV microfield lithography,"
Applied Optics 42 (5), 820-26 (2003). DOI 10.1364/AO.42.000820 LINK - "Lithographic characterization of the printability of programmed EUV substrate defects,"
Journal of Vacuum Science and Technology B 21 (4), 1286-90 (2003). DOI 10.1116/1.1580839 LINK - "Effects of radiation induced carbon contamination on the performance of an EUV lithographic optic,"
Proc. SPIE 5037, 450-59 (2003). LINK - "System and process learning in a full-field high-power EUVL alpha tool,"
Proc. SPIE 5037, 47-57 (2003). - "Hybrid shearing and phase-shifting point diffraction interferometer,"
U.S. Patent No. 6,573,997, June 3, 2003 - "Resist evaluation at 50 nm in the EUV using interferometric spatial frequency doubled imaging,"
Proc. SPIE 5037, 910-16 (2003). DOI 10.1117/12.484677 LINK - "Calibration of EUV-2D photoresist simulation parameters for accurate predictive modeling,"
Proc. SPIE 5037, 900-9 (2003). LINK - "Static EUV microexposures using the ETS set-2 optics,"
Proc. SPIE 5037, 36-46 (2003). DOI 10.1117/12.490129 LINK - "EUV Interferometry of the 0.3 NA MET Optic,"
Proc. SPIE 5037, 69-74 (2003). LINK - "Soft X-Ray Microscopy and EUV Lithography: An Update on Imaging at 20-40 nm Spatial Resolution,"
AIP Conference Proceedings 641 183, 461-68 (2002). DOI 10.1063/1.1521061 LINK - "VNL Research in Interferometry for EUV Optics,"
First International EUVL Symposium, Addison, Texas October 15-17, 2002 (Abstract) - "Direct measurement of index of refraction in the extreme-ultraviolet wavelength region with a novel interferometer,"
Optics Letters 27 (12), 1028-1030 (2002). DOI 10.1364/OL.27.001028 LINK - "Graphical user interface for image acquisition and processing,"
U.S. Patent No. 6,341,183, January 22, 2002 - "Lithographic Evaluation of the EUV Engineering Test Stand,"
Proc. SPIE 4688, 266-276 (2002). DOI 10.1117/12.472300 LINK - "Performance upgrades in the EUV Engineering Test Stand,"
Proc. SPIE 4688, 72-86 (2002). DOI 10.1117/12.472328 LINK - "Static microfield printing at the Advanced Light Source with the ETS Set-2 optic,"
Proc. SPIE 4688 4688, 64-71 (2002). LINK - "Honing the accuracy of extreme ultraviolet optical system testing: at-wavelength and visible-light measurements of the ETS Set-2 projection optic,"
Proc. SPIE 4688, 329-337 (2002). LINK - "Testing EUV Optics with Visible-Light and EUV Interferometry,"
Journal of Vacuum Science and Technology B 20 (6), 2834-39 (2002). DOI 10.1116/1.1523401 LINK - "Sub-70-nm EUV Lithography at the Advanced Light Source Static Microfield Exposure Station Using the ETS Set-2 Optic,"
Journal of Vacuum Science and Technology B 20 (6), 2829-33 (2002). DOI 10.1116/1.1524976 LINK - "Fourier transform interferometer alignment method,"
Applied Optics 41 (22), 4477-83 (2002). DOI 10.1364/AO.41.004477 LINK - "Calibration of EUV-2D Photoresist Simulation Parameters for Accurate Predictive Modeling,"
Presented at the First International EUVL Symposium, Addison, Texas October 15-17, 2002 (Abstract) - "Lithographic characterization of the ETS Set-2 optic at the Advanced Light Source static microfield exposure station,"
Presented at the First International EUVL Symposium, Addison, Texas October 15-17, 2002 (Abstract) - "VNL Research in Interferometry for EUV Optics,"
Presented at the First International EUVL Symposium, Addison, Texas October 15-17, 2002 (Abstract) - "The prediction and measurement of flare for the ETS,"
Third International Workshop on Extreme Ultraviolet Lithography, Matsue, Japan , (2001). - "At-wavelength testing of the Set-2 ETS projection optic--a four-mirror ring filed aspheric optical system,"
Third International Workshop on Extreme Ultraviolet Lithography, Matsue, Japan October 29-31, 2001 (Abstract) - "Static microfield printing at the Advanced Light Source with the ETS Set-2 optic,"
Third International Workshop on Extreme Ultraviolet Lithography, Matsue, Japan October 29-31, 2001 (Abstract) - "System integration and performance of the EUV engineering test stand,"
Proc. SPIE 4343, 19-37 (2001). - "Extremely fine-pitch printing with a 10x Schwarzschild optic at extreme ultraviolet wavelengths,"
Proc. SPIE 4343, 357-62 (2001). DOI 10.1117/12.436690 - "Adding static printing capabilities to the EUV phase-shifting point diffraction interferometer,"
Proc. SPIE 4343, 639-45 (2001). DOI 10.1117/12.436633 LINK - "Phase-shifting point diffraction interferometer grating designs,"
U.S. Patent No. 6,195,169, February 27, 2001 - "Interferometric at-wavelength flare characterization of EUV optical systems,"
U.S. Patent No. 6,233,056, May 15, 2001 - "Fourier-transform and global contrast interferometer alignment methods,"
U.S. Patent No. 6,239,878, May 29, 2001 - "Extreme-ultraviolet lensless Fourier-transform holography,"
Applied Optics 40 (16), 2655-2661 (2001). DOI 10.1364/AO.40.002655 LINK - "Tolerancing of diffraction-limited Kirkpatrick-Baez synchrotron beamline optics for extreme-ultraviolet metrology,"
Applied Optics 40 (22), 3703-3709 (2001). DOI 10.1364/AO.40.003703 LINK - "Wave-front measurement errors from restricted concentric subdomains,"
Journal of the Optical Society of America A 18 (9), 2146-52 (2001). DOI 10.1364/JOSAA.18.002146 LINK - "Initial Results from the EUV Engineering Test Stand,"
Proc. SPIE 4506, (2001). LINK - "Phase-shifting point diffraction interferometer mask designs,"
U.S. Patent No. 6,307,635, October 23, 2001 - "Fourier transform method of phase-shift determination,"
Applied Optics 40 (17), 2886-94 (2001). DOI 10.1364/AO.40.002886 LINK - "First lithographic results from the extreme ultraviolet Engineering Test Stand,"
Journal of Vacuum Science and Technology B 19 (6), 2389-95 (2001). DOI 10.1116/1.1414017 LINK - "At-wavelength characterization of the extreme ultraviolet Engineering Test Stand Set-2 optic,"
Journal of Vacuum Science and Technology B 19 (6), 2396-2400 (2001). DOI 10.1116/1.1421545 LINK - "At-wavelength characterization of DUV-radiation-induced damage in fused silica,"
Proc. SPIE 3998, 724-31 (2000). DOI 10.1117/12.386529 LINK - "Phase-shifting point-diffraction interferometry at 193 nm,"
Applied Optics 39 (31), (2000). DOI 10.1364/AO.39.005768 LINK - "The EUV phase-shifting point diffraction interferometer,"
Synchrotron Radiation Instrumentation: 11th US National Conference, 1999, P. Pianetta, et al.,(eds.) CP521, 66-72 (2000). - "At-wavelength, system-level flare characterization of extreme-ultraviolet optical systems,"
Applied Optics 39 (17), 2941-47 (2000). DOI 10.1364/AO.39.002941 LINK - "The PS/PDI: a high accuracy development tool for diffraction limited short-wavelength optics,"
AIP Conf. Proc. 507, 595 (2000). LINK - "EUV Engineering Test Stand,"
Proc. SPIE 3997, 48-69 (2000). DOI 10.1117/12.390083 LINK - "EUV Interferometry of a Four-Mirror Ring-Field EUV Optical System,"
Proc. SPIE 3997, 867-73 (2000). DOI 10.1117/12.390045 LINK - "Extreme ultraviolet holographic microscopy and its application to extreme ultraviolet mask-blank defect characterization,"
Journal of Vacuum Science and Technology B 18 (6), 2935-8 (2000). DOI 10.1116/1.1314382 LINK - "Extreme ultraviolet carrier-frequency shearing Interferometry of a lithographic four-mirror optical system,"
Journal of Vacuum Science and Technology B 18 (6), 2939-43 (2000). DOI 10.1116/1.1321290 LINK - "Extreme ultraviolet alignment and testing of a four mirror aspheric extreme ultraviolet optical system,"
Journal of Vacuum Science and Technology B 18 (6), 2911-15 (2000). DOI 10.1116/1.1319703 LINK - "Dual domain phase-shifting point diffraction interferometer,"
U.S. Patent No. 6,100,978, August 8, 2000 - "Null test Fourier domain alignment technique for phase-shifting point diffraction interferometer,"
U.S. Patent No. 6,111,646, August 29, 2000 - "In Situ alignment system for phase-shifting point-diffraction interferometry,"
U.S. Patent No. 6,118,535, September 12, 2000 - "Interferometric at wavelength flare characterization of EUV optical systems,"
The Advanced Light Source Users Meeting (Abstract) - "Extreme ultraviolet interferometric measurement and alignment of diffraction-limited optics,"
The Advanced Light Source Users Meeting (Abstract) - "Extreme-ultraviolet phase-shifting point-diffraction interferometer: a wave-front metrology tool with subangstrom reference-wave accuracy,"
Applied Optics 38 (35), 7252-63 (1999). DOI 10.1364/AO.38.007252 LINK - "Dual-domain point diffraction interferometer,"
Applied Optics 38 (16), 3523-33 (1999). DOI 10.1364/AO.38.003523 LINK - "Interferometric at-wavelength flare characterization of EUV optical systems,"
Journal of Vacuum Science and Technology B 17 (6), 2987-91 (1999). DOI 10.1116/1.590940 LINK - "Extreme ultraviolet interferometric measurements of diffraction-limited optics,"
Journal of Vacuum Science and Technology B 17 (6), 2982-86 (1999). DOI 10.1116/1.590939 LINK - "Recent advances in EUV phase-shifting point diffraction interferometry,"
Proc. SPIE 3767, 154-63 (1999). DOI 10.1117/12.371113 LINK - "Tunable coherent radiation in the soft x-ray and extreme ultraviolet spectral regions,"
IEEE Journal of Quantum Electronics 35 (5), 709-20 (1999). LINK - "Direct comparison of EUV and visible-light interferometries,"
Proc. SPIE 3676, 635-42 (1999). DOI 10.1117/12.351138 LINK - "Sub-100-nm lithographic imaging with the EUV 10x Microstepper,"
in Emerging Lithographic Technologies III, Y. Vladimirski, ed., Proc. SPIE 3676, 264-71 (1999). DOI 10.1117/12.351097 LINK - "EUV scattering and flare of 10x projection cameras,"
in Emerging Lithographic Technologies III, Y. Vladimirski, ed., Proc. SPIE 3676, 717-23 (1999). DOI 10.1117/12.351162 LINK - "Testing extreme ultraviolet optical systems at-wavelength with sub-angstrom accuracy,"
in Fabrication and Testing of Aspheres, J. S. Taylor, M. Piscotty, and A. Lindquist, (eds.) (Optical Society of America, Washington, D.C., 1999) , (1999). LINK - "At-wavelength metrologies for extreme ultraviolet lithography,"
Future Electron Devices Journal Vol. 9 (Suppl. 1), 5-14 (1998). LINK - "High-accuracy interferometry of EUV lithographic optical systems,"
Journal of Vacuum Science and Technology B 16 (6), 3435-39 (1998). DOI 10.1116/1.590498 LINK - "Phase effects owing to multilayer coatings in a two-mirror extreme-ultraviolet Schwarzschild objective,"
Applied Optics 37 (34), 8021-9 (1998). DOI 10.1364/AO.37.008021 LINK - "At-wavelength interferometry of Extreme Ultraviolet Lithographic Optics,"
AIP Conference Proceedings, (no. 449), (Characterization and Metrology for ULSI Technology, 1998 International Conference, Gaithersburg, MD, USA, 1998.) , pp. 553-7 (1998). - "Characterization of the accuracy of EUV phase-shifting point diffraction interferometry,"
in Emerging Lithographic Technologies II, Y. Vladimirski, (ed.), Proc. SPIE 3331, 114-23 (1998). LINK - "Point Diffraction Interferometry: An EUV Projection Lithography System Alignment and Qualification Tool,"
Optical Fabrication and Testing, OSA Technical Digest Series Vol. 12 117-119, (1998). - "EUV interferometry: an accuracy standard for diffraction-limited EUV optics,"
The Advanced Light Source Users Meeting 1998 (Abstract) - "Extreme Ultraviolet Interferometry,"
Doctoral Dissertation, Department of Physics, University of California, Berkeley (1997). - "At-wavelength interferometry for EUV lithography,"
Journal of Vacuum Science and Technology B 15 (6), 2455-2461 (1997). DOI 10.1116/1.589666 LINK - "Characterization of an EUV Schwarzschild objective using phase-shifting point diffraction interferometry,"
Proc. SPIE 3048, 264-70 (1997). LINK - "A 3-D numerical study of pinhole diffraction to determine the accuracy of EUV point diffraction interferometry,"
Extreme Ultraviolet Lithography, G. Kubiak and D. Kania, eds. (Trends in Optics and Photonics, Volume 13, Optical Society of America, Washington, D.C., 1996). , pp. 133-137 (1996). LINK - "Phase-shifting point diffraction interferometry for at-wavelength testing of lithographic optics,"
Extreme Ultraviolet Lithography G. Kubiak and D. Kania, eds. (Optical Society of America, Washington, D.C., 1996) , pp. 118-23 (1996). LINK - "Zonal placement errors in zone plate lenses,"
Extreme Ultraviolet Lithography, G. Kubiak and D. Kania, eds. (Optical Society of America, Washington, D.C., 1996) , pp. 138-142 (1996). - "Phase-Shifting Point Diffraction Interferometer,"
Optics Letters 21 (19), 1526-8 (1996). DOI 10.1364/OL.21.001526 LINK - "Interferometry using undulator sources,"
Review of Scientific Instruments 67 (9), 3353 (1996). DOI 10.1063/1.1147396 LINK - "At-wavelength testing of optics for EUV,"
Proc. SPIE 2437, 347-54 (1995). DOI 10.1117/12.209172 LINK - "Progress toward lambda/20 EUV interferometry,"
Journal of Vacuum Science and Technology B 13 (6), 2923-7 (1995). DOI 10.1116/1.588280 LINK - "Point Diffraction Interferometry at EUV Wavelengths,"
in Extreme Ultraviolet Lithography, F. Zernike and D. T. Attwood (eds.), (Optical Society of America, Washington, D.C. 1994) , 134-41 (1994).
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