Dr. Barry Lai Profile

Dr. Barry Lai

Physicist at Argonne National Lab

SPIE Involvement:

Editor | Author

Publications (42)

Proceedings Article | 6 October 2023 Presentation

Automatic parameter optimization for high-resolution ptychography

Yi Jiang, Junjing Deng, Jeff Klug, Zhonghou Cai, Barry Lai

Proceedings Volume PC12698, PC1269807 (2023) https://doi.org/10.1117/12.2682128

KEYWORDS: X-rays, X-ray microscopy, X-ray imaging, Reconstruction algorithms, Equipment, Biological imaging, X-ray fluorescence spectroscopy, Tomography, Spatial resolution, Prior knowledge

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Proceedings Article | 6 October 2023 Presentation

Advanced x-ray ptychography enables high-speed 3D imaging at the velociprobe

Junjing Deng, Yi Jiang, Fabricio Marin, Jeffrey Klug, Curt Preissner, Zhonghou Cai, Barry Lai

Proceedings Volume PC12698, PC1269806 (2023) https://doi.org/10.1117/12.2682124

KEYWORDS: X-rays, Stereoscopy, X-ray imaging, X-ray computed tomography, Ultrafast imaging, Tomography, Spatial resolution, Radiation effects, Prototyping, Nickel

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Proceedings Article | 5 October 2023 Presentation + Paper

Unraveling device evolution through multimodal in situ x-ray characterizations in halide perovskite photovoltaics

Naveed Rahman, Sakshi Sharma, Carlo A. Perini, Dina Sheyfer, Ross Harder, Barry Lai, Luxi Li, Sarah Wieghold, Juan-Pablo Correa-Baena, Yanqi Luo

Proceedings Volume 12698, 1269804 (2023) https://doi.org/10.1117/12.2681910

KEYWORDS: Perovskite, X-rays, Photovoltaics, X-ray fluorescence spectroscopy, In situ metrology, X-ray optics, X-ray characterization, Design and modelling, X-ray microscopy, Temperature metrology

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Proceedings Article | 8 September 2021 Presentation + Paper

Design of the in situ nanoprobe beamline at the Advanced Photon Source

Jörg Maser, Vincent De Andrade, Steven Kearney, Jonathan Knopp, Barry Lai, Tim Mooney, Curt Preissner, Luca Rebuffi, Ruben Reininger, Oliver Schmidt, Xianbo Shi, Christian Roehrig, Deming Shu, Si Chen

Proceedings Volume 11839, 1183905 (2021) https://doi.org/10.1117/12.2596609

KEYWORDS: Diffraction, Magnetism, X-ray sources, Satellites, Monochromators

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Proceedings Article | 1 August 2021 Presentation

Multi-slice ptychography for continuous object within the depth of field

Yi Jiang, Junjing Deng, Yudong Yao, Jeffrey Klug, Zhonghou Cai, Barry Lai, Stefan Vogt

Proceedings Volume 11839, 118390E (2021) https://doi.org/10.1117/12.2594882

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Proceedings Article | 9 September 2019 Presentation

High-resolution ptychoraphic imaging of large-scale integrated circuits (Conference Presentation)

Yi Jiang, Junjing Deng, Jeffrey Klug, Yudong Yao, Curt Preissner, Christian Roehrig, Zhonghou Cai, Barry Lai, Stefan Vogt

Proceedings Volume 11112, 111120F (2019) https://doi.org/10.1117/12.2527505

KEYWORDS: Integrated circuits, Spatial resolution, Data processing, Data acquisition, X-ray imaging, X-rays, Image quality standards, Motion controllers, Image quality

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Proceedings Article | 9 September 2019 Paper

Optimized illumination for high-throughput ptychography

Yudong Yao, Junjing Deng, Jeffrey Klug, Yi Jiang, Michael Wojcik, Youssef Nashed, Curt Preissner, Christian Roehrig, Zhonghou Cai, Oliver Cossairt, Stefan Vogt, Barry Lai

Proceedings Volume 11112, 111120G (2019) https://doi.org/10.1117/12.2530527

KEYWORDS: Monochromators, Coherence imaging, X-ray diffraction, X-ray imaging, X-rays, Data acquisition, Capillaries, Reconstruction algorithms

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Proceedings Article | 9 September 2019 Paper

Mechanical design of a flexural nanopositioning stage system for hard x-ray nanofocusing at the Advanced Photon Source 32-ID-C station

Deming Shu, Vincent De Andrade, Jayson Anton, Steven Kearney, Kamel Fezzaa, Sunil Bean, Alex Deriy, Wenjun Liu, Jorg Maser, Barry Lai, Jonathan Tischler, Francesco De Carlo

Proceedings Volume 11112, 111120N (2019) https://doi.org/10.1117/12.2529384

KEYWORDS: Mechanical engineering, Hard x-rays, X-rays, Mirrors, Nanoprobes, Microscopes, Spatial resolution, X-ray microscopy, Microscopy, Finite element methods

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Proceedings Article | 9 September 2019 Paper

Instrumentation and method developments of x-ray ptychography at the Advanced Photon Source

Junjing Deng, Yudong Yao, Yi Jiang, Si Chen, Jeffrey Klug, Michael Wojcik, Fabricio Marin, Curt Preissner, Christian Roehrig, Zhonghou Cai, Stefan Vogt, Barry Lai

Proceedings Volume 11112, 111120E (2019) https://doi.org/10.1117/12.2529805

KEYWORDS: Phase retrieval, Interferometry, Synchrotron radiation instrumentation, X-ray imaging, Diffraction, Microscopy

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Proceedings Article | 19 September 2017 Presentation

The Velociprobe: A fast hard x-ray nanoprobe for ptychographic imaging (Conference Presentation)

Junjing Deng, Curt Preissner, Christian Roehrig, Michael Wojcik, Shane Sullivan, David Vine, Barry Lai, Stefan Vogt

Proceedings Volume 10389, 103890M (2017) https://doi.org/10.1117/12.2276502

KEYWORDS: Hard x-rays, Nanoprobes, Microscopes, Spatial resolution, Data acquisition, Interferometry, Zone plates, Nanoimaging

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Proceedings Article | 23 August 2017 Paper

Design and test of precision vertical and horizontal linear nanopositioning flexure stages with centimeter-level travel range for x-ray instrumentation

Deming Shu, Barry Lai, Steven Kearney, Jayson Anton, Wenjun Liu, Jorg Maser, Christian Roehrig, Jonathan Tischler

Proceedings Volume 10371, 103710C (2017) https://doi.org/10.1117/12.2274168

KEYWORDS: X-ray optics, X-rays, Motion controllers, Spatial resolution, Hard x-rays, Imaging spectroscopy, Spectroscopes, Error analysis, X-ray sources, Mechanical engineering

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Proceedings Article | 18 September 2015 Paper

Stacking multiple zone plates for efficient hard x-ray focusing at the Advanced Photon Source

Michael Wojcik, Sophie-Charlotte Gleber, Deming Shu, Christian Roehrig, Barry Lai, David Vine, Stefan Vogt

Proceedings Volume 9592, 95920G (2015) https://doi.org/10.1117/12.2187684

KEYWORDS: Zone plates, X-rays, Near field, Energy efficiency, Hard x-rays, Near field optics, X-ray optics, Gold, Neodymium, Charge-coupled devices

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Proceedings Article | 26 September 2013 Paper

A next-generation in-situ nanoprobe beamline for the Advanced Photon Source

Jörg Maser, Barry Lai, Tonio Buonassisi, Zhonghou Cai, Si Chen, Lydia Finney, Sophie-Charlotte Gleber, Ross Harder, Chris Jacobsen, Wenjun Liu, Conal Murray, Curt Preissner, Chris Roehrig, Volker Rose, Deming Shu, David Vine, Stefan Vogt

Proceedings Volume 8851, 885106 (2013) https://doi.org/10.1117/12.2026418

KEYWORDS: X-rays, Solar energy, Mirrors, Hard x-rays, X-ray optics, Nanoprobes, Diffraction, Spatial resolution, X-ray imaging, X-ray fluorescence spectroscopy

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Proceedings Article | 26 September 2013 Paper

Sub-100-nm 3D-elemental mapping of frozen-hydrated cells using the bionanoprobe

Si Chen, Ye Yuan, Junjing Deng, Rachel Mak, Qiaoling Jin, Tatjana Paunesku, Sophie Gleber, David Vine, Claus Flachenecker, Benjamin Hornberger, Deming Shu, Barry Lai, Jörg Maser, Lydia Finney, Christian Roehrig, Jay VonOsinski, Michael Bolbat, Keith Brister, Chris Jacobsen, Gayle Woloschak, Stefan Vogt

Proceedings Volume 8851, 885102 (2013) https://doi.org/10.1117/12.2025169

KEYWORDS: Luminescence, Cryogenics, Spatial resolution, Tomography, Distortion, X-ray microscopy, Liquids, X-rays, Hard x-rays, 3D image processing

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Proceedings Article | 18 September 2013 Paper

Optomechanical design of a modular K-B mirror mount system for x-ray microfocusing at the advanced photon source

D. Shu, R. Harder, J. Almer, N. Kujala, S. Kearney, J. Anton, W. Liu, B. Lai, J. Maser, L. Finney, B. Shi, J. Qian, S. Marathe, A. Macrander, J. Tischler, S. Vogt, L. Assoufid

Proceedings Volume 8836, 88360O (2013) https://doi.org/10.1117/12.2023653

KEYWORDS: Mirror mounts, Mirrors, X-rays, 3D modeling, Hard x-rays, X-ray optics, Optomechanical design, Prototyping, Synchrotron radiation, Optical testing

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Proceedings Article | 28 September 2011 Paper

Progress on single crystal beryllium windows

A. Khounsary, B. Lai, A. Rack, S. Goto, O. Chubar, T. Weitkamp

Proceedings Volume 8139, 813914 (2011) https://doi.org/10.1117/12.895391

KEYWORDS: Beryllium, X-rays, Crystals, X-ray imaging, Polishing, Sensors, Coherence (optics), Near field optics, Charge-coupled devices, Laser crystals

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Proceedings Article | 6 October 2010 Paper

Beam coherence and x-ray windows

Ali Khounsary, Barry Lai, Jun Qian, Ruben Khachatryan, Jozef Maj, Xianrong Huang

Proceedings Volume 7802, 78020O (2010) https://doi.org/10.1117/12.877449

KEYWORDS: Beryllium, Polishing, X-rays, Crystals, X-ray imaging, Surface finishing, Coherence imaging, Surface roughness, Laser cutting, X-ray diffraction

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Proceedings Article | 13 September 2005 Paper

Design and test of a differential scanning stage system for a x-ray nanoprobe instrument

D. Shu, J. Maser, M. Holt, B. Lai, S. Vogt, Y. Wang, C. Preissner, Y. Han, B. Tieman, R. Winarski, A. Smolyanitskiy, G. Stephenson

Proceedings Volume 5877, 58770E (2005) https://doi.org/10.1117/12.617723

KEYWORDS: Zone plates, Control systems, X-rays, X-ray optics, Nanoprobes, Computer programming, Prototyping, Sensors, Hard x-rays, Data acquisition

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Proceedings Article | 4 November 2004 Paper

Tapered tilted linear zone plates for focusing hard x-rays

Leonidas Ocola, Joerg Maser, Stefan Vogt, Barry Lai, Ralu Divan, Gregory Stephenson

Proceedings Volume 5539, (2004) https://doi.org/10.1117/12.559772

KEYWORDS: Zone plates, Data transmission, Hard x-rays, X-rays, Imaging spectroscopy, X-ray optics, X-ray diffraction, X-ray imaging, Gold, Lithography

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Proceedings Article | 3 November 2004 Paper

High spectral resolution Al2O3/B4C, SiC/Si, SiC/B4C, and SiC/C multilayer structures for the photon energies of 6 keV to 19 keV

Yuriy Platonov, Vladimir Martynov, Alexander Kazimirov, Barry Lai

Proceedings Volume 5537, (2004) https://doi.org/10.1117/12.558740

KEYWORDS: Multilayers, Reflectivity, Monochromators, Spectral resolution, X-rays, Silicon, Optical testing, Sputter deposition, Beam splitters, X-ray characterization

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Proceedings Article | 21 November 2002 Paper

Progress in the fabrication of high-aspect-ratio zone plates by soft x-ray lithography

Ralu Divan, Derrick Mancini, Nicolai Moldovan, Barry Lai, Lahsen Assoufid, Quinn Leonard, Franco Cerrina

Proceedings Volume 4783, (2002) https://doi.org/10.1117/12.451019

KEYWORDS: Gold, Polymethylmethacrylate, Zone plates, X-rays, Hard x-rays, X-ray lithography, Electroplating, Scanning electron microscopy, Plating, Photomasks

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Proceedings Article | 21 November 2002 Paper

Near-field stacking of zone plates in the x-ray range

Jörg Maser, Barry Lai, Wenbing Yun, Sarvjit Shastri, Zhonghou Cai, W. Rodrigues, Shenglan Xu, E. Trackhtenberg

Proceedings Volume 4783, (2002) https://doi.org/10.1117/12.451396

KEYWORDS: Zone plates, X-rays, Diffraction, Hard x-rays, Energy efficiency, Near field, Spatial resolution, Near field optics, Manufacturing, Gold

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Proceedings Article | 9 September 2002 Paper

Enhancement of the vibration stability of a microdiffraction goniometer

Soon-Hong Lee, Curt Preissner, Barry Lai, Zhonghou Cai, Deming Shu

Proceedings Volume 4771, (2002) https://doi.org/10.1117/12.482150

KEYWORDS: X-rays, Finite element methods, Motion measurement, Synchrotrons, Kinematics, X-ray diffraction, Data acquisition, Vibrometry, Optical scanning systems, Analytical research

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Proceedings Article | 13 December 2001 Paper

X-ray microdiffraction study of martensite-retained austenite microstructures at the tip of a steel blade

Zhonghou Cai, Barry Lai, Peter Ilinski, Dan Legnini, Wenbing Yun

Proceedings Volume 4499, (2001) https://doi.org/10.1117/12.450233

KEYWORDS: X-rays, Diffraction, Sensors, X-ray diffraction, CCD image sensors, Heat treatments, Zone plates, X-ray detectors, Charge-coupled devices, Scattering

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Proceedings Article | 5 January 2001 Paper

Characterization of the focal quality of micron-size beams from x-ray mirrors and zone plates

Albert Thompson, James Underwood, Erik Anderson, Scott McHugo, Barry Lai

Proceedings Volume 4145, (2001) https://doi.org/10.1117/12.411640

KEYWORDS: X-rays, Mirrors, Zone plates, X-ray optics, Luminescence, Silicon, Titanium, Nickel, X-ray characterization, Light sources

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Proceedings Article | 5 January 2001 Paper

X-ray zone plate fabrication using a focused ion beam

Peter Ilinski, Barry Lai, Neil Bassom, Jason Donald, Gregory Athas

Proceedings Volume 4145, (2001) https://doi.org/10.1117/12.411652

KEYWORDS: Zone plates, Ion beams, X-rays, Ions, Sputter deposition, Silicon, Transmission electron microscopy, Lithography, Photomasks, Gallium

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Proceedings Article | 16 November 1999 Paper

Fabrication of Wolter I multilayer coated optics via electroforming: an update

Melville Ulmer, Robert Altkorn, Anita Madan, Michael Graham, Yip-Wah Chung, Allen Krieger, Chian Liu, Barry Lai, Derrick Mancini, Peter Takacs

Proceedings Volume 3773, (1999) https://doi.org/10.1117/12.370081

KEYWORDS: Multilayers, Mirrors, X-rays, Nickel, Reflectivity, Copper, Liquids, Nitrogen, Sputter deposition, Thin film coatings

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Proceedings Article | 13 November 1998 Paper

Performance of side-cooled high-heat-load mirrors

Ali Khounsary, Wenbing Yun, Ian McNulty, Zhonghou Cai, Barry Lai

Proceedings Volume 3447, (1998) https://doi.org/10.1117/12.331120

KEYWORDS: Mirrors, X-rays, Monochromators, Optical components, Copper, Silicon, Heat flux, Polishing, Synchrotrons, X-ray optics

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Proceedings Article | 6 November 1998 Paper

Using x-ray microprobes for environmental research

Ken Kemner, Wenbing Yun, Zhonghou Cai, Barry Lai, Heung-Rae Lee, Dan Legnini, W. Rodrigues, Julie Jastrow, R. Miller, Stephan Pratt, M. Schneegurt, C. Kulpa, Alvin Smucker

Proceedings Volume 3449, (1998) https://doi.org/10.1117/12.330354

KEYWORDS: Metals, X-rays, Interfaces, Soil contamination, Soil science, Fungi, Hard x-rays, X-ray fluorescence spectroscopy, Imaging spectroscopy, Zinc

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Proceedings Article | 6 November 1998 Paper

Advanced zone plate microfocusing optics

Barry Lai, Wenbing Yun, Jorg Maser, Zhonghou Cai, W. Rodrigues, Dan Legnini, Zhen Chen, Azalia Krasnoperova, Yuli Vladimirsky, Franco Cerrina, Enzo Di Fabrizio, Massimo Gentili

Proceedings Volume 3449, (1998) https://doi.org/10.1117/12.330340

KEYWORDS: Zone plates, X-rays, X-ray optics, Spatial resolution, Diffraction, Optics manufacturing, X-ray lithography, Grazing incidence, Manufacturing, Hard x-rays

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Proceedings Article | 5 June 1998 Paper

0.1-um high-aspect-ratio pattern replication and linewidth control

Zheng Chen, Yuli Vladimirsky, Franco Cerrina, Barry Lai, Wenbing Yun, Efim Gluskin

Proceedings Volume 3331, (1998) https://doi.org/10.1117/12.309620

KEYWORDS: Gold, Photomasks, Reactive ion etching, X-rays, Electroplating, Polymethylmethacrylate, Etching, Plating, Photoresist materials, X-ray lithography

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Proceedings Article | 11 December 1997 Paper

Thermal management of masks for deep x-ray lithography

Ali Khounsary, David Chojnowski, Derrick Mancini, Barry Lai, Roger Dejus

Proceedings Volume 3151, (1997) https://doi.org/10.1117/12.294468

KEYWORDS: Photomasks, Beryllium, X-rays, Silicon, Diamond, Silicon carbide, Distortion, Gold, X-ray lithography, Photoresist materials

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Proceedings Article | 1 November 1997 Paper

Supermirror fabrication via electroforming

Melville Ulmer, Robert Altkorn, Allen Krieger, Daniel Parsignault, Yip-Wah Chung, M. Wong, Barry Lai, Derrick Mancini, Peter Takacs, Eugene Church

Proceedings Volume 3152, (1997) https://doi.org/10.1117/12.295562

KEYWORDS: Multilayers, X-rays, Mirrors, Atomic force microscopy, Gold, Nickel, Reflectivity, Sapphire, Radium, X-ray optics

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Proceedings Article | 24 October 1997 Paper

X-ray microtomography as a fast three-dimensional imaging technology using a CCD camera coupled with a CdWO4 single-crystal scintillator

Heung-Rae Lee, Barry Lai, Wenbing Yun, Derrick Mancini, Zhonghou Cai

Proceedings Volume 3149, (1997) https://doi.org/10.1117/12.279361

KEYWORDS: X-rays, Scintillators, Gold, CCD cameras, Microscopes, 3D image processing, X-ray imaging, 3D image reconstruction, Crystals, Reconstruction algorithms

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Proceedings Article | 13 September 1996 Paper

Beamline and exposure station for deep x-ray lithography at the advanced photon source

Barry Lai, Derrick Mancini, Wenbing Yun, Efim Gluskin

Proceedings Volume 2880, (1996) https://doi.org/10.1117/12.250948

KEYWORDS: X-rays, Mirrors, Scanners, X-ray lithography, Photomasks, Collimation, Polymethylmethacrylate, Synchrotron radiation, Absorption, Surface finishing

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Proceedings Article | 13 September 1996 Paper

Fabrication of mm-wave undulator/linear accelerator cavities using deep x-ray lithography

Joshua Song, Y. Kang, Robert Kustom, Barry Lai, Derrick Mancini, A. Nassiri, V. White

Proceedings Volume 2880, (1996) https://doi.org/10.1117/12.250963

KEYWORDS: Polymethylmethacrylate, X-ray lithography, Photomasks, Copper, X-rays, Hard x-rays, Photoresist processing, Synchrotron radiation, Semiconducting wafers, Electroplating

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Proceedings Article | 25 September 1995 Paper

Microfocusing optics for hard xrays fabricated by x-ray lithography

Azalia Krasnoperova, Zheng Chen, Franco Cerrina, Enzo Di Fabrizio, Massimo Gentili, Wenbing Yun, Barry Lai, Efim Gluskin

Proceedings Volume 2516, (1995) https://doi.org/10.1117/12.221670

KEYWORDS: Gold, Photoresist materials, X-ray lithography, X-rays, Photomasks, Lithography, Polymethylmethacrylate, Electroplating, Optical fabrication, Zone plates

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Proceedings Article | 1 February 1994 Paper

Material optimization for hard x-ray Fresnel zone plates

John Chrzas, Wenbing Yun, Barry Lai, Dan Legnini, Y. Xiao

Proceedings Volume 2011, (1994) https://doi.org/10.1117/12.167244

KEYWORDS: Zone plates, Absorption, Hard x-rays, Lithography, Gold, Nickel, Phase shift keying, Beryllium, Aluminum, Phase shifts

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Proceedings Article | 25 February 1993 Paper

Absorption of undulator radiation in media

Roger Dejus, Barry Lai, Ali Khounsary

Proceedings Volume 1739, (1993) https://doi.org/10.1117/12.140540

KEYWORDS: Bessel functions, Beryllium, Heat flux, Thermal engineering, Absorption, Particle beams, Near field, Optical filters, Synchrotron radiation, Erbium

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Proceedings Article | 20 January 1993 Paper

Performance comparison of hard x-ray plates fabricated by two different methods

Wenbing Yun, Barry Lai, Dan Legnini, Y. Xiao, John Chrzas, Kenneth Skulina, Richard Bionta, V. White, Franco Cerrina

Proceedings Volume 1740, (1993) https://doi.org/10.1117/12.138694

KEYWORDS: Zone plates, X-rays, Spatial resolution, Synchrotron radiation, Hard x-rays, Energy efficiency, Lithography, Synchrotrons, Diffraction, Optical components

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