Dr. Barry Lai Profile

Dr. Barry Lai

Physicist at Argonne National Laboratory

SPIE Involvement:

Conference Chair | Editor | Author

Publications (36)

SPIE Conference Volume | November 7, 2017

X-Ray Nanoimaging: Instruments and Methods III

PROCEEDINGS ARTICLE | September 19, 2017

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

Proc. SPIE. 10389, X-Ray Nanoimaging: Instruments and Methods III

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

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PROCEEDINGS ARTICLE | August 23, 2017

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

Proc. SPIE. 10371, Optomechanical Engineering 2017

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

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SPIE Conference Volume | October 2, 2015

X-Ray Nanoimaging: Instruments and Methods II

PROCEEDINGS ARTICLE | September 18, 2015

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

Proc. SPIE. 9592, X-Ray Nanoimaging: Instruments and Methods II

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

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SPIE Conference Volume | October 14, 2013

X-Ray Nanoimaging: Instruments and Methods

PROCEEDINGS ARTICLE | September 26, 2013

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

Proc. SPIE. 8851, X-Ray Nanoimaging: Instruments and Methods

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

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PROCEEDINGS ARTICLE | September 26, 2013

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

Proc. SPIE. 8851, X-Ray Nanoimaging: Instruments and Methods

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

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PROCEEDINGS ARTICLE | September 18, 2013

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

Proc. SPIE. 8836, Optomechanical Engineering 2013

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

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PROCEEDINGS ARTICLE | September 28, 2011

Progress on single crystal beryllium windows

Proc. SPIE. 8139, Advances in X-Ray/EUV Optics and Components VI

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

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PROCEEDINGS ARTICLE | October 6, 2010

Beam coherence and x-ray windows

Proc. SPIE. 7802, Advances in X-Ray/EUV Optics and Components V

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

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PROCEEDINGS ARTICLE | September 13, 2005

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

Proc. SPIE. 5877, Optomechanics 2005

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

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PROCEEDINGS ARTICLE | November 4, 2004

Tapered tilted linear zone plates for focusing hard x-rays

Proc. SPIE. 5539, Design and Microfabrication of Novel X-Ray Optics II

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

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PROCEEDINGS ARTICLE | November 3, 2004

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

Proc. SPIE. 5537, X-Ray Sources and Optics

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

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PROCEEDINGS ARTICLE | November 21, 2002

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

Proc. SPIE. 4783, Design and Microfabrication of Novel X-Ray Optics

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

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PROCEEDINGS ARTICLE | November 21, 2002

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

Proc. SPIE. 4783, Design and Microfabrication of Novel X-Ray Optics

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

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PROCEEDINGS ARTICLE | September 9, 2002

Enhancement of the vibration stability of a microdiffraction goniometer

Proc. SPIE. 4771, Optomechanical Design and Engineering 2002

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

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PROCEEDINGS ARTICLE | December 13, 2001

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

Proc. SPIE. 4499, X-Ray Micro- and Nano-Focusing: Applications and Techniques II

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

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PROCEEDINGS ARTICLE | January 5, 2001

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

Proc. SPIE. 4145, Advances in X-Ray Optics

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

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PROCEEDINGS ARTICLE | January 5, 2001

X-ray zone plate fabrication using a focused ion beam

Proc. SPIE. 4145, Advances in X-Ray Optics

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

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PROCEEDINGS ARTICLE | November 16, 1999

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

Proc. SPIE. 3773, X-Ray Optics Design, Performance, and Applications

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

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PROCEEDINGS ARTICLE | November 13, 1998

Performance of side-cooled high-heat-load mirrors

Proc. SPIE. 3447, Advances in Mirror Technology for Synchrotron X-Ray and Laser Applications

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

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PROCEEDINGS ARTICLE | November 6, 1998

Using x-ray microprobes for environmental research

Proc. SPIE. 3449, X-Ray Microfocusing: Applications and Techniques

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

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PROCEEDINGS ARTICLE | November 6, 1998

Advanced zone plate microfocusing optics

Proc. SPIE. 3449, X-Ray Microfocusing: Applications and Techniques

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

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PROCEEDINGS ARTICLE | June 5, 1998

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

Proc. SPIE. 3331, Emerging Lithographic Technologies II

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

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PROCEEDINGS ARTICLE | December 11, 1997

Thermal management of masks for deep x-ray lithography

Proc. SPIE. 3151, High Heat Flux and Synchrotron Radiation Beamlines

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

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PROCEEDINGS ARTICLE | November 1, 1997

Supermirror fabrication via electroforming

Proc. SPIE. 3152, Materials, Manufacturing, and Measurement for Synchrotron Radiation Mirrors

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

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PROCEEDINGS ARTICLE | October 24, 1997

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

Proc. SPIE. 3149, Developments in X-Ray Tomography

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

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PROCEEDINGS ARTICLE | September 13, 1996

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

Proc. SPIE. 2880, Microlithography and Metrology in Micromachining II

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

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PROCEEDINGS ARTICLE | September 13, 1996

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

Proc. SPIE. 2880, Microlithography and Metrology in Micromachining II

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

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PROCEEDINGS ARTICLE | September 25, 1995

Microfocusing optics for hard xrays fabricated by x-ray lithography

Proc. SPIE. 2516, X-Ray Microbeam Technology and Applications

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

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PROCEEDINGS ARTICLE | February 1, 1994

Material optimization for hard x-ray Fresnel zone plates

Proc. SPIE. 2011, Multilayer and Grazing Incidence X-Ray/EUV Optics II

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

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PROCEEDINGS ARTICLE | February 25, 1993

Absorption of undulator radiation in media

Proc. SPIE. 1739, High Heat Flux Engineering

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

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PROCEEDINGS ARTICLE | January 20, 1993

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

Proc. SPIE. 1740, Optics for High-Brightness Synchrotron Radiation Beamlines

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

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