All Stories

  1. Framework for X-ray mirror surface shape fitting
  2. Controlling cantilevered adaptive X-ray mirrors
  3. Beamline Optics and Modeling School (BLOMS) 2023
  4. Thickness dependence of piezo-bimorph adaptive mirror bending
  5. Real-time machine-learning-driven control system of a deformable mirror for achieving aberration-free X-ray wavefronts
  6. Off-axis representation of hyperbolic mirror shapes for X-ray beamlines
  7. Data-driven modeling and control of an X-ray bimorph adaptive mirror
  8. Derivation of closed-form ellipsoidal X-ray mirror shapes from Fermat's principle
  9. Analytic descriptions of parabolic X-ray mirrors
  10. Simulations of applications using diaboloid mirrors
  11. Diaboloidal mirrors: algebraic solution and surface shape approximations
  12. Pseudo-gray-scale halftone gratings for shearing and Hartmann wavefront sensors
  13. Binary Amplitude Reflection Gratings for X-ray Shearing and Hartmann Wavefront Sensors
  14. Experimental verification of high-NA imaging simulations using SHARP
  15. Reflective binary amplitude grating for soft x-ray shearing and Hartmann wavefront sensing
  16. Compensation of heat load deformations using adaptive optics for the ALS upgrade: a wave optics study
  17. Extreme ultraviolet microscope characterization using photomask surface roughness
  18. Adaptive shape control of wavefront-preserving X-ray mirrors with active cooling and heating
  19. Collaborative development of diffraction-limited beamline optical systems at US DOE light sources
  20. Front Matter: Volume 10957
  21. Upgrade to the SHARP EUV mask microscope
  22. A New Light for Berkeley Lab—the Advanced Light Source Upgrade
  23. Design and demonstration of tunable soft x-ray lateral shearing and Hartmann wavefront sensors
  24. EUV photolithography mask inspection using Fourier ptychography
  25. Front Matter: Volume 10583
  26. Field-varying aberration recovery in EUV microscopy using mask roughness
  27. Taking a SHARP look at mask 3D effects
  28. Measurement of through-focus EUV pattern shifts using the SHARP actinic microscope
  29. Image-based pupil plane characterization via a space-domain basis
  30. Front Matter: Volume 10143
  31. Amplitude versus phase effects in extreme ultraviolet lithography mask scattering and imaging
  32. Front Matter: Volume 9776
  33. Emulation of anamorphic imaging on the SHARP extreme ultraviolet mask microscope
  34. Measurement of EUV lithography pupil amplitude and phase variation via image-based methodology
  35. Ultrahigh efficiency EUV contact-hole printing with chromeless phase shift mask
  36. Optimized mirror shape tuning using beam weightings based on distance, angle of incidence, reflectivity, and power
  37. Preface: The 5th International Workshop on X-ray Mirror Design, Fabrication, and Metrology
  38. Emulation of anamorphic imaging on the SHARP EUV mask microscope
  39. Image-based pupil plane characterization via principal component analysis for EUVL tools
  40. Aerial imaging study of the mask-induced line-width roughness of EUV lithography masks
  41. Multiplexed high resolution soft x-ray RIXS
  42. Off-axis aberration estimation in an EUV microscope using natural speckle
  43. EUV actinic brightfield mask microscopy for predicting printed defect images
  44. Examination of phase retrieval algorithms for patterned EUV mask metrology
  45. Demonstration of 22-nm half pitch resolution on the SHARP EUV microscope
  46. EUV Research at Berkeley Lab: Enabling Technologies and Applications
  47. Mask blank defect printability comparison using optical and SEM mask and wafer inspection and bright field actinic mask imaging
  48. Evaluating printability of buried native extreme ultraviolet mask phase defects through a modeling and simulation approach
  49. Modal wavefront reconstruction from its gradient
  50. Aberration estimation using EUV mask roughness
  51. Understanding EUV mask blank surface roughness induced LWR and associated roughness requirement
  52. A method of image-based aberration metrology for EUVL tools
  53. Phase measurements of EUV mask defects
  54. Enhancing defect detection with Zernike phase contrast in EUV multilayer blank inspection
  55. New ways of looking at masks with the SHARP EUV microscope
  56. Evaluating printability of buried native EUV mask phase defects through a modeling and simulation approach
  57. Level-set multilayer growth model for predicting printability of buried native extreme ultraviolet mask defects
  58. Broader view on extreme ultraviolet masks: adding complementary imaging modes to the SHARP microscope
  59. Enabling EUV Resist Research at the 1x and Smaller Regime
  60. Partially Coherent Quantitative Phase Retrieval for EUV Lithography
  61. Gradient descent algorithm applied to wavefront retrieval from through-focus images by an extreme ultraviolet microscope with partially coherent source
  62. Experimental measurements of telecentricity errors in high-numerical-aperture extreme ultraviolet mask images
  63. A broader view on EUV-masks: adding complementary imaging modes to the SHARP microscope
  64. Phase-enhanced defect sensitivity for EUV mask inspection
  65. Electro-optical system for scanning microscopy of extreme ultraviolet masks with a high harmonic generation source
  66. Extreme ultraviolet mask roughness: requirements, characterization, and modeling
  67. Actinic mask imaging: recent results and future directions from the SHARP EUV microscope
  68. Recovering effective amplitude and phase roughness of EUV masks
  69. Increased depth of field through wave-front coding: using an off-axis zone plate lens with cubic phase modulation in an EUV microscope
  70. The SEMATECH high-NA actinic reticle review project (SHARP) EUV mask-imaging microscope
  71. Pupil shaping and coherence control in an EUV mask-imaging microscope
  72. Metrology for the Advancement of X-ray Optics at the ALS
  73. In situ fine tuning of bendable soft x-ray mirrors using a lateral shearing interferometer
  74. Application of phase shift focus monitor in EUVL process control
  75. Commissioning an EUV mask microscope for lithography generations reaching 8 nm
  76. Experimental methods for optimal tuning of bendable mirrors for diffraction-limited soft x-ray focusing
  77. Methodology for optimal in situ alignment and setting of bendable optics for nearly diffraction-limited focusing of soft x-rays
  78. Ex situ tuning of bendable x-ray mirrors for optimal beamline performance
  79. Methodology for optimal in situ alignment and setting of bendable optics for diffraction-limited focusing of soft x-rays
  80. EUV actinic imaging tool aerial image evaluation of EUVL embedded phase shift mask performance
  81. EUV mask multilayer defects and their printability under different multilayer deposition conditions
  82. Printability study of pattern defects in the EUV mask as a function of hp nodes
  83. Accelerating EUV learning with synchrotron light: mask roughness challenges ahead
  84. Printability of native blank defects and programmed defects and their stack structures
  85. Mask roughness challenges in extreme ultraviolet mask development
  86. An experimental apparatus for diffraction-limited soft x-ray nano-focusing
  87. Design optimization of bendable x-ray mirrors
  88. Development of in situ, at-wavelength metrology for soft X-ray nano-focusing
  89. Characterization of Mo/Si multilayer growth on stepped topographies
  90. Optical modeling of Fresnel zoneplate microscopes
  91. Cross-check of ex-situ and in-situ metrology of a bendable temperature stabilized KB mirror
  92. An EUV Fresnel zoneplate mask-imaging microscope for lithography generations reaching 8 nm
  93. Quantitative evaluation of mask phase defects from through-focus EUV aerial images
  94. Critical challenges for EUV resist materials
  95. Printability and inspectability of defects on the EUV mask for sub-32nm half pitch HVM application
  96. Replicated mask surface roughness effects on EUV lithographic patterning and line edge roughness
  97. The SEMATECH Berkeley MET: extending EUV learning down to 16nm half pitch
  98. Using synchrotron light to accelerate EUV resist and mask materials learning
  99. Actinic characterization of extreme ultraviolet bump-type phase defects
  100. Reflection microscope for actinic mask inspection and other progress in soft x-ray laser nano-imaging
  101. Extreme ultraviolet mask substrate surface roughness effects on lithographic patterning
  102. Laser based aerial microscope for at-wavelength characterization of extreme ultraviolet lithography masks
  103. Photon flux requirements for extreme ultraviolet reticle imaging in the 22- and 16-nm nodes
  104. At-wavelength optical metrology development at the ALS
  105. Extreme ultraviolet laser-based table-top aerial image metrology of lithographic masks
  106. Photon flux requirements for EUV reticle imaging microscopy in the 22- and 16nm nodes
  107. Actinic imaging of native and programmed defects on a full-field mask
  108. EUV-multilayers on grating-like topographies
  109. A study of defects on EUV masks using blank inspection, patterned mask inspection, and wafer inspection
  110. Carbon contamination topography analysis of EUV masks
  111. Particle removal challenges of EUV patterned masks for the sub-22nm HP node
  112. Printability and inspectability of programmed pit defects on the masks in EUV lithography
  113. The SEMATECH Berkeley MET pushing EUV development beyond 22nm half pitch
  114. Effect of carbon contamination on the printing performance of extreme ultraviolet masks
  115. Study of real defects on EUV blanks and a strategy for EUV mask inspection
  116. Wavelength-specific reflections: A decade of extreme ultraviolet actinic mask inspection research
  117. Actinic imaging and evaluation of phase structures on extreme ultraviolet lithography masks
  118. Surface Slope Metrology on Deformable Soft X-ray Mirrors
  119. Elliptically Bent X-Ray Mirrors with Active Temperature Stabilization
  120. Table-top Extreme Ultraviolet Laser Aerial Imaging of Lithographic Masks
  121. Table-top microscope for at-wavelength inspection of extreme ultraviolet lithography mask
  122. Investigation of buried EUV mask defect printability using actinic inspection and fast simulation
  123. Advances in full field microscopy with table-top soft x-ray lasers
  124. Thorough characterization of an EUV mask
  125. 22-nm Half-pitch extreme ultraviolet node development at the SEMATECH Berkeley microfield exposure tool
  126. Collecting EUV mask images through focus by wavelength tuning
  127. Mask defect verification using actinic inspection and defect mitigation technology
  128. Carbon contamination of extreme ultraviolet (EUV) masks and its effect on imaging
  129. Comparison of fast 3D simulation and actinic inspection for EUV masks with buried defects
  130. Improving the performance of the actinic inspection tool with an optimized alignment procedure
  131. Inspection 13.2-nm table-top full-field microscope
  132. The SEMATECH Berkeley microfield exposure tool: learning at the 22-nm node and beyond
  133. EUV actinic defect inspection and defect printability at the sub-32-nm half-pitch
  134. Microscopy of extreme ultraviolet lithography masks with 132 nm tabletop laser illumination
  135. 13.2 nm Table-Top Inspection Microscope for Extreme Ultraviolet Lithography Mask Defect Characterization
  136. At-Wavelength and Optical Metrology of Bendable X-Ray Optics for Nanofocusing at the ALS
  137. Comparison of fast three-dimensional simulation and actinic inspection for extreme ultraviolet masks with buried defects and absorber features
  138. EUV pattern defect detection sensitivity based on aerial image linewidth measurements
  139. Latest results from the SEMATECH Berkeley extreme ultraviolet microfield exposure tool
  140. Pushing extreme ultraviolet lithography development beyond 22 nm half pitch
  141. Actinic extreme ultraviolet mask inspection beyond 0.25numericalaperture
  142. Benchmarking EUV mask inspection beyond 0.25 NA
  143. Advanced extreme ultraviolet resist testing using the SEMATECH Berkeley 0.3-NA microfield exposure tool
  144. Determining the critical size of EUV mask substrate defects
  145. EUV mask reflectivity measurements with micron-scale spatial resolution
  146. Performance of actinic EUVL mask imaging using a zoneplate microscope
  147. Detectability and printability of EUVL mask blank defects for the 32-nm HP node
  148. EUV and non-EUV inspection of reticle defect repair sites
  149. EUV MET printing and actinic imaging analysis on the effects of phase defects on wafer CDs
  150. Recent results from the Berkeley 0.3-NA EUV microfield exposure tool
  151. Advanced resist testing using the SEMATECH Berkeley extreme ultraviolet microfield exposure tool
  152. Multilayer defects nucleated by substrate pits: a comparison of actinic inspection and non-actinic inspection techniques
  153. Lithographic characterization of the spherical error in an extreme-ultraviolet optic by use of a programmable pupil-fill illuminator
  154. Investigation of the current resolution limits of advanced extreme ultraviolet (EUV) resists
  155. Lithographic characterization of low-order aberrations in a 0.3-NA EUV microfield exposure tool
  156. Testing EUV optics with EUV light: If you can measure it, you can make it
  157. Extreme Ultraviolet Lithography Capabilities at the Advanced Light Source Using a 0.3-NA Optic
  158. Actinic inspection of extreme ultraviolet programed multilayer defects and cross-comparison measurements
  159. Ultra-high accuracy optical testing: creating diffraction-limited short-wavelength optical systems
  160. X-ray beam metrology and x-ray optic alignment by Hartmann wavefront sensing
  161. EUV focus sensor: design and modeling
  162. EUV microexposures at the ALS using the 0.3-NA MET projection optics
  163. Performance of EUV photoresists on the ALS micro exposure tool
  164. Characterization of the synchrotron-based 0.3 numerical aperture extreme ultraviolet microexposure tool at the Advanced Light Source
  165. Extreme ultraviolet focus sensor design optimization
  166. Lithographic characterization of the field dependent astigmatism and alignment stability of a 0.3 numerical aperture extreme ultraviolet microfield optic
  167. Measuring line roughness through aerial image contrast variation using coherent extreme ultraviolet spatial filtering techniques
  168. EUV interferometric testing and alignment of the 0.3-NA MET optic
  169. EUV resist imaging below 50 nm using coherent spatial filtering techniques
  170. Status of EUV micro-exposure capabilities at the ALS using the 0.3-NA MET optic
  171. Recent developments in X-UV optics and X-UV diagnostics
  172. At-Wavelength Interferometry of High-NA Diffraction-Limited EUV Optics
  173. A Synchrotron-Based Fourier-Synthesis Custom-Coherence Illuminator
  174. X ray Wavefront Hartmann Sensor
  175. At-wavelength alignment and testing of the 0.3 NA MET optic
  176. Extreme ultraviolet microexposures at the Advanced Light Source using the 0.3 numerical aperture micro-exposure tool optic
  177. New techniques for the measurement of x-ray beam or x-ray optics quality
  178. Hartmann wave-front measurement at 134 nm with λ_EUV/120 accuracy
  179. EUV interferometry of the 0.3-NA MET optic
  180. Calibration of EUV 2D photoresist simulation parameters for accurate predictive modeling
  181. Effects of radiation-induced carbon contamination on the performance of an EUV lithographic optic
  182. Resist evauation at 50 nm in the EUV using interferometric spatial-frequency-doubled imaging
  183. Static EUV micro-exposures using the ETS Set-2 optics
  184. System and process learning in a full-field, high-power EUVL alpha tool
  185. Fourier-synthesis custom-coherence illuminator for extreme ultraviolet microfield lithography
  186. Preparations for extreme ultraviolet interferometry of the 0.3 numerical aperture Micro Exposure Tool optic
  187. Lithographic characterization of the printability of programmed extreme ultraviolet substrate defects
  188. Printing-based performance analysis of the engineering test stand set-2 optic using a synchrotron exposure station with variable sigma
  189. Fourier transform interferometer alignment method
  190. Honing the accuracy of extreme-ultraviolet optical system testing: at-wavelength and visible-light measurements of the ETS Set-2 projection optic
  191. Lithographic evaluation of the EUV engineering test stand
  192. Performance upgrades in the EUV engineering test stand
  193. Static microfield printing at the Advanced Light Source with the ETS Set-2 optic
  194. Direct measurement of index of refraction in the extreme-ultraviolet wavelength region with a novel interferometer
  195. Testing extreme ultraviolet optics with visible-light and extreme ultraviolet interferometry
  196. Sub-70 nm extreme ultraviolet lithography at the Advanced Light Source static microfield exposure station using the engineering test stand set-2 optic
  197. Soft X-Ray Microscopy and EUV Lithography: An Update on Imaging at 20–40 nm Spatial Resolution
  198. Current Status of the EUV Engineering Test Stand.
  199. <title>Initial results from the EUV engineering test stand</title>
  200. Wave-front measurement errors from restricted concentric subdomains
  201. <title>Adding static printing capabilities to the EUV phase-shifting point diffraction interferometer</title>
  202. <title>Extremely fine-pitch printing with a 10X Schwarzschild optic at extreme-ultraviolet wavelengths</title>
  203. <title>System integration and performance of the EUV engineering test stand</title>
  204. Tolerancing of diffraction-limited Kirkpatrick–Baez synchrotron beamline optics for extreme-ultraviolet metrology
  205. Fourier-transform method of phase-shift determination
  206. Extreme-ultraviolet lensless Fourier-transform holography
  207. At-wavelength characterization of the extreme ultraviolet Engineering Test Stand Set-2 optic
  208. First lithographic results from the extreme ultraviolet Engineering Test Stand
  209. Phase-shifting point-diffraction interferometry at 193 nm
  210. EUV interferometry of a four-mirror ring-field EUV optical system
  211. <title>EUV engineering test stand</title>
  212. <title>EUV holographic aerial image recording</title>
  213. At-wavelength, system-level flare characterization of extreme-ultraviolet optical systems
  214. <title>At-wavelength characterization of DUV-radiation-induced damage in fused silica</title>
  215. Extreme ultraviolet carrier-frequency shearing interferometry of a lithographic four-mirror optical system
  216. Extreme ultraviolet alignment and testing of a four-mirror ring field extreme ultraviolet optical system
  217. Extreme ultraviolet holographic microscopy and its application to extreme ultraviolet mask-blank defect characterization
  218. The EUV phase-shifting point diffraction interferometer
  219. The PS/PDI: A high accuracy development tool for diffraction limited short-wavelength optics
  220. Extreme-ultraviolet phase-shifting point-diffraction interferometer: a wave-front metrology tool with subangstrom reference-wave accuracy
  221. <title>Recent advances in EUV phase-shifting point diffraction interferometry</title>
  222. Direct comparison of EUV and visible-light interferometries
  223. EUV scattering and flare of 10X projection cameras
  224. Sub-100-nm lithographic imaging with an EUV 10X microstepper
  225. Dual-domain point diffraction interferometer
  226. Tunable coherent radiation in the soft X-ray and extreme ultraviolet spectral regions
  227. Testing extreme ultraviolet optical systems at-wavelengthwith sub-angstrom accuracy
  228. Extreme ultraviolet interferometric measurements of diffraction-limited optics
  229. Interferometric at-wavelength flare characterization of extreme ultraviolet optical systems
  230. Phase effects owing to multilayer coatings in a two-mirror extreme-ultraviolet Schwarzschild objective
  231. High-accuracy interferometry of extreme ultraviolet lithographic optical systems
  232. Microassembly technologies for MEMS
  233. Characterization of the accuracy of EUV phase-shifting point diffraction interferometry
  234. At-wavelength interferometry of extreme ultraviolet lithographic optics
  235. Extreme ultraviolet interferometry
  236. At-wavelength interferometry for extreme ultraviolet lithography
  237. Characterization of an EUV Schwarzschild objective using phase-shifting point diffraction interferometry
  238. Phase-shifting point-diffraction interferometry at EUV wavelengths
  239. Phase-shifting point diffraction interferometer
  240. Interferometry using undulator sources (invited, abstract)
  241. Progress towards λ/20 extreme ultraviolet interferometry
  242. At-wavelength testing of optics for EUV
  243. EUV Optical Testing