Dr. Zu-Han Gu Profile

Dr. Zu-Han Gu

Retired

SPIE Involvement:

Author

Publications (48)

Proceedings Article | 2 September 2010 Paper

Paper

Coherence effects: from spectral change to nondiffraction

Zu-Han Gu

Proceedings Volume 7792, 77920U (2010) https://doi.org/10.1117/12.859139

KEYWORDS: Light, Argon ion lasers, Interferometers, Free space, Glasses, Laser scattering, Scattering, Light sources, Michelson interferometers, Wavefronts

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Proceedings Article | 2 September 2010 Paper

Paper

A partially coherent slowly diffracting beam

E. Méndez, E. García-Guerrero, Zu-Han Gu, T. Leskova, A. Maradudin

Proceedings Volume 7792, 77920T (2010) https://doi.org/10.1117/12.862136

KEYWORDS: Scattering, Laser scattering, Electromagnetism, Electromagnetic scattering, Beam propagation method, Radio propagation, Laser applications, Atmospheric propagation, Laser optics, Astronomical imaging

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Proceedings Article | 2 September 2010 Paper

Paper

Nonstandard refraction of light from one- and two-dimensional dielectric quasi-periodic surfaces

Zu-Han Gu, Anting Wang

Proceedings Volume 7792, 779206 (2010) https://doi.org/10.1117/12.859143

KEYWORDS: Refraction, Dielectrics, Scattering, Light scattering, Glasses, Interfaces, 3D metrology, Metamaterials, Optical testing, Diffraction

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Proceedings Article | 21 August 2009 Paper

Paper

Nonstandard refraction of light from one-dimensional dielectric quasi-periodic surfaces

Zu-Han Gu, Anting Wang

Proceedings Volume 7405, 74050P (2009) https://doi.org/10.1117/12.824626

KEYWORDS: Refraction, Dielectrics, Glasses, Scattering, Metamaterials, Negative refraction, Light scattering, Interfaces, Photoresist materials, Surface plasmons

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Proceedings Article | 29 August 2008 Paper

Paper

Goos-Haenchen effect applied for the design of Collett-Wolf beams

Zu-Han Gu, Anting Wang

Proceedings Volume 7065, 70650D (2008) https://doi.org/10.1117/12.784994

KEYWORDS: Speckle, Feedback loops, Visibility, Mirrors, Metals, Interfaces, Dielectrics, Collimation, Geometrical optics, Glasses

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Proceedings Article | 10 September 2007 Paper

Paper

A structure that more than doubles the intensity of an enhanced backscattering peak

T. Leskova, A. Maradudin, E. Méndez, Zu-Han Gu

Proceedings Volume 6672, 66720G (2007) https://doi.org/10.1117/12.735043

KEYWORDS: Backscatter, Light scattering, Scattering, Reflection, Interfaces, Dielectrics, Retroreflectors, Mirrors, Structural design, Physics

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Proceedings Article | 10 September 2007 Paper

Paper

Generation of partially coherent light in rough surface scattering and suppression of the speckle it produces

T. Leskova, A. Maradudin, E. Méndez, Anting Wang, Zu-Han Gu

Proceedings Volume 6672, 66720I (2007) https://doi.org/10.1117/12.735127

KEYWORDS: Scattering, Speckle, Feedback loops, Gaussian beams, Laser scattering, Light scattering, Glasses, Gaussian filters, Charge-coupled devices, Spatial coherence

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Proceedings Article | 10 September 2007 Paper

Paper

BRDF and MBR of a retro-reflected tag for free-space optical communication

Zu-Han Gu

Proceedings Volume 6672, 66720F (2007) https://doi.org/10.1117/12.735033

KEYWORDS: Optical spheres, Glasses, Reflection, Bidirectional reflectance transmission function, Retroreflectors, Mirrors, Backscatter, Ray tracing, Free space optical communications, Free space optics

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Proceedings Article | 10 September 2007 Paper

Paper

Experimental reconstruction for inverse scattering of one-dimensional surfaces

Zu-Han Gu, Anting Wang

Proceedings Volume 6672, 66720H (2007) https://doi.org/10.1117/12.732559

KEYWORDS: Atomic force microscopy, Inverse scattering, Dielectrics, Glasses, Speckle pattern, Reconstruction algorithms, Photoresist materials, Scattering, Polarizers, Laser scattering

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Proceedings Article | 10 September 2007 Paper

Paper

Inverse scattering simulation for a 1-D surface reconstruction

Anting Wang, Zu-Han Gu

Proceedings Volume 6672, 66720E (2007) https://doi.org/10.1117/12.732541

KEYWORDS: Scattering, Inverse scattering, Inverse scattering problem, Genetic algorithms, Reconstruction algorithms, Inverse problems, Numerical analysis, Inverse optics, Evolutionary algorithms, Electromagnetic scattering

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Proceedings Article | 31 August 2005 Paper

Paper

Spectral redistribution from the interference of a Collett-Wolf source

Zu-Han Gu

Proceedings Volume 5878, 58780W (2005) https://doi.org/10.1117/12.613269

KEYWORDS: Light, Glasses, Argon ion lasers, Spectral coherence, Laser sources, Mach-Zehnder interferometers, Interferometers, Light scattering, Tungsten, Lamps

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Proceedings Article | 24 August 2005 Paper

Paper

Young’s interference pattern formed with symmetrical partially coherent sources

Zu-Han Gu

Proceedings Volume 5878, 58780X (2005) https://doi.org/10.1117/12.613272

KEYWORDS: Diffusers, Glasses, Interferometers, Light, Computer simulations, Correlation function, Collimation, Superposition, Surface roughness, Light sources

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Proceedings Article | 19 August 2005 Paper

Paper

Pseudo-nondiffraction from the interference of a pair of symmetric Collett-Wolf beams

Zu-Han Gu, E. Mendez, M. Ciftan, A. Maradudin, T. Leskova

Proceedings Volume 5878, 587810 (2005) https://doi.org/10.1117/12.613935

KEYWORDS: Beam splitters, Mirrors, Interferometers, Glasses, Laser beam propagation, Mach-Zehnder interferometers, Michelson interferometers, Free space, Superposition, Collimation

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SPIE Journal Paper | 1 March 2004

Grazing angle enhanced backscattering from a dielectric film on a reflecting metal substrate

Zu-Han Gu, Iosif Fuks, Mikael Ciftan

OE, Vol. 43, Issue 03, (March 2004) https://doi.org/10.1117/12.10.1117/1.1646410

KEYWORDS: Backscatter, Scattering, Dielectrics, Light scattering, Dielectric polarization, Metals, Electromagnetic scattering, Reflection, Interfaces, Surface roughness

Proceedings Article | 16 October 2003 Paper

Paper

Comparison between theoretical calculation and measurement of angular spectrum changes from rough surface scattering

Zu-Han Gu, Tamara Leskova, Alexei Maradudin, W. Thomson

Proceedings Volume 5189, (2003) https://doi.org/10.1117/12.503407

KEYWORDS: Light scattering, Scattering, Reflection, Backscatter, Dielectrics, Laser scattering, Metals, Computer simulations, Light, Surface roughness

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Proceedings Article | 16 October 2003 Paper

Paper

Changes in the spectrum of light scattered from a rough dielectric film on a metal surface

Zu-Han Gu

Proceedings Volume 5189, (2003) https://doi.org/10.1117/12.502604

KEYWORDS: Light scattering, Scattering, Dielectrics, Optical testing, Scatter measurement, Lamps, Metals, Retroreflectors, Speckle, Mirrors

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Proceedings Article | 16 October 2003 Paper

Paper

Interference with a Collett-Wolf source

Zu-Han Gu

Proceedings Volume 5189, (2003) https://doi.org/10.1117/12.503409

KEYWORDS: Glasses, Interferometers, Laser sources, Michelson interferometers, Light, Light scattering, Mach-Zehnder interferometers, Temporal coherence, Laser scattering, Scattering

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Proceedings Article | 22 October 2002 Paper

Paper

Changes in spectrum of light scattered from double passage configuration

Zu-Han Gu

Proceedings Volume 4780, (2002) https://doi.org/10.1117/12.452319

KEYWORDS: Light scattering, Scattering, Light, Backscatter, Diffusers, Laser scattering, Mirrors, Glasses, Multiple scattering, Image resolution

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Proceedings Article | 22 October 2002 Paper

Paper

High-order correlation from rough surface scattering

Zu-Han Gu

Proceedings Volume 4780, (2002) https://doi.org/10.1117/12.452320

KEYWORDS: Scattering, Dielectrics, Correlation function, Glasses, Laser scattering, Light scattering, Metals, Multiple scattering, Speckle pattern, Speckle

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Proceedings Article | 23 October 2001 Paper

Paper

Angular spectrum redistribution from rough surface scattering

Zu-Han Gu

Proceedings Volume 4447, (2001) https://doi.org/10.1117/12.446724

KEYWORDS: Scattering, Laser scattering, Backscatter, Semiconductor lasers, Gold, Chlorine, Light scattering, Light, Multiple scattering, Laser sources

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Proceedings Article | 23 October 2001 Paper

Paper

Spectral coherence from rough surface scattering with a secondary source

Zu-Han Gu

Proceedings Volume 4447, (2001) https://doi.org/10.1117/12.446725

KEYWORDS: Gold, Mirrors, Lamps, Light, Scattering, Spectral coherence, Osmium, Free space, Light scattering, Telescopes

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Proceedings Article | 23 October 2001 Paper

Paper

Enhanced backscattering at grazing angle

Zu-Han Gu, Mikael Ciftan

Proceedings Volume 4447, (2001) https://doi.org/10.1117/12.446719

KEYWORDS: Backscatter, Light scattering, Dielectrics, Scattering, Metals, Mirrors, Retroreflectors, Missiles, Dielectric polarization, FT-IR spectroscopy

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Proceedings Article | 26 September 2000 Paper

Paper

Wolf effect from a real image as a secondary source

Zong Qi Lin, Zu-Han Gu

Proceedings Volume 4100, (2000) https://doi.org/10.1117/12.401668

KEYWORDS: Light, Coherence (optics), Diffusers, Scattering, Spectral coherence, Tungsten, Lamps, Image transmission, Electronics engineering, Roads

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Proceedings Article | 26 September 2000 Paper

Paper

Amplified backscattering from dye-doped polymer bounded with 1D rough metal film

Gang-Ding Peng, Zu-Han Gu

Proceedings Volume 4100, (2000) https://doi.org/10.1117/12.401647

KEYWORDS: Polymers, Backscatter, Laser scattering, Scattering, Luminescence, Gold, Absorption, Helium neon lasers, Light scattering, Molecules

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Proceedings Article | 25 October 1999 Paper

Paper

Dynamic behavior of speckles from rough surface scattering

Zu-Han Gu, Arthur McGurn

Proceedings Volume 3784, (1999) https://doi.org/10.1117/12.366711

KEYWORDS: Scattering, Glasses, Correlation function, Light scattering, Photoresist materials, Speckle, Speckle pattern, Polarization, Interfaces, Dielectrics

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Proceedings Article | 25 October 1999 Paper

Paper

Amplified backscattering from a rough surface through dye-doped polymer

Gang-Ding Peng, Zu-Han Gu

Proceedings Volume 3784, (1999) https://doi.org/10.1117/12.366710

KEYWORDS: Polymers, Scattering, Light scattering, Backscatter, Laser scattering, Luminescence, Gold, Absorption, Helium neon lasers, Argon ion lasers

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Proceedings Article | 25 October 1999 Paper

Paper

Symmetry of speckle correlation around the backscattering directions in the double passage configurations

Zu-Han Gu

Proceedings Volume 3784, (1999) https://doi.org/10.1117/12.366716

KEYWORDS: Mirrors, Speckle pattern, Backscatter, Spherical lenses, Scattering, Speckle, CCD cameras, Correlation function, Light scattering, Glasses

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Proceedings Article | 30 October 1998 Paper

Paper

Rough-surface-enhanced scattering

Zu-Han Gu, Zong Qi Lin, Mikael Ciftan

Proceedings Volume 3426, (1998) https://doi.org/10.1117/12.328474

KEYWORDS: Light scattering, Backscatter, Scattering, Reflection, Metals, Electromagnetic scattering, Dielectrics, Laser scattering, Dielectric polarization, Electromagnetic radiation

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Proceedings Article | 30 October 1998 Paper

Paper

Detection of subsurface defects

Zu-Han Gu, Zong Qi Lin, Michel Josse

Proceedings Volume 3426, (1998) https://doi.org/10.1117/12.328453

KEYWORDS: Scattering, Speckle pattern, Defect detection, Light scattering, Speckle, Laser scattering, Correlation function, Target detection, Sensors, Metals

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Proceedings Article | 26 September 1997 Paper

Paper

Memory effect in the double passage of waves through a one-dimensional random phase screen

Zong Qi Lin, Zu-Han Gu

Proceedings Volume 3141, (1997) https://doi.org/10.1117/12.287797

KEYWORDS: Speckle pattern, Correlation function, Scattering, Mirrors, Light scattering, Backscatter, Spherical lenses, Glasses, CCD cameras, Speckle

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Proceedings Article | 26 September 1997 Paper

Paper

Sensitivity of far-field speckle pattern to the small local changes of the rough surface geometry

Michel Josse, Zong Qi Lin, Zu-Han Gu

Proceedings Volume 3141, (1997) https://doi.org/10.1117/12.287802

KEYWORDS: Speckle pattern, Scattering, Light scattering, Speckle, Target detection, Correlation function, Dielectrics, Thin film deposition, Thin films, Glasses

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Proceedings Article | 26 September 1997 Paper

Paper

Memory effect from a one-dimensional rough dielectric film on a glass substrate

Zu-Han Gu, Jun Lu

Proceedings Volume 3141, (1997) https://doi.org/10.1117/12.287799

KEYWORDS: Scattering, Light scattering, Speckle pattern, Correlation function, Glasses, Dielectrics, Polarization, Backscatter, Laser scattering, Photoresist materials

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Proceedings Article | 7 June 1996 Paper

Paper

Fabrication of 1D gratings on photoresist for light-scattering and memory-effect measurements

Zu-Han Gu, Michel Josse

Proceedings Volume 2726, (1996) https://doi.org/10.1117/12.240961

KEYWORDS: Photoresist materials, Diffraction gratings, Bragg cells, Raster graphics, Objectives, Profilometers, Scattering, Laser scanners, 3D scanning, Glasses

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SPIE Journal Paper | 1 February 1996

Observation of giant enhanced backscattering of light from weakly rough dielectric films on reflecting metal substrates

Zu-Han Gu, Michel Josse, Mikael Ciftan

OE, Vol. 35, Issue 02, (February 1996) https://doi.org/10.1117/12.10.1117/1.600906

KEYWORDS: Backscatter, Dielectrics, Light scattering, Scattering, Metals, Dielectric polarization, Retroreflectors, Aluminum, Sensors, Mirrors

SPIE Journal Paper | 1 February 1996

Giant enhanced backscattering in lidar signatures

Zu-Han Gu, Richard Dummer, Jun Lu, Paul McKenna

OE, Vol. 35, Issue 02, (February 1996) https://doi.org/10.1117/12.10.1117/1.600905

KEYWORDS: LIDAR, Backscatter, Reflectivity, Data modeling, Dielectrics, Sensors, Scattering, Metals, Light scattering, Dielectric polarization

SPIE Journal Paper | 1 February 1996

Three-dimensional optical data storage and retrieval system based on phase-code and space multiplexing

Xiangyang Yang, Zu-Han Gu

OE, Vol. 35, Issue 02, (February 1996) https://doi.org/10.1117/12.10.1117/1.600914

KEYWORDS: Multiplexing, 3D optical data storage, Data storage, Holograms, Optical storage, Holography, Crystals, Laser crystals, Phase shift keying, Modulators

Proceedings Article | 1 September 1995 Paper

Paper

Enhanced backscattering from very smooth metal surfaces

Zu-Han Gu, Jean Bennett

Proceedings Volume 2541, (1995) https://doi.org/10.1117/12.218339

KEYWORDS: Light scattering, Scattering, Backscatter, Gold, Metals, Beam splitters, Reflection, Retroreflectors, Light, Oscillators

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SPIE Journal Paper | 1 June 1995

Enhanced backscattering of polarized light at vacuum/dielectric interface

Zu-Han Gu, Jun Lu, Mohammad Tehrani

OE, Vol. 34, Issue 06, (June 1995) https://doi.org/10.1117/12.10.1117/12.202060

KEYWORDS: Dielectrics, Light scattering, Scattering, Backscatter, Interfaces, Dielectric polarization, Glasses, Photoresist materials, Retroreflectors, Reflection

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Proceedings Article | 7 October 1994 Paper

Paper

Enhanced backscattering from one-dimensional free-standing dielectric film

Zu-Han Gu, Jun Lu, Alexei Maradudin, Eugenio Mendez

Proceedings Volume 2260, (1994) https://doi.org/10.1117/12.189210

KEYWORDS: Dielectrics, Backscatter, Interfaces, Light scattering, Scattering, Photoresist materials, Glasses, Reflection, Refraction, Numerical simulations

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Proceedings Article | 23 September 1994 Paper

Paper

Giant enhanced backscattering in laser radar signatures

Zu-Han Gu, Richard Dummer, Paul McKenna, Alexei Maradudin, Jeffrey Estep

Proceedings Volume 2271, (1994) https://doi.org/10.1117/12.188143

KEYWORDS: Reflectivity, LIDAR, Backscatter, Scattering, Light scattering, Sensors, Data modeling, Beam splitters, Mirrors, Laser scattering

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Proceedings Article | 14 September 1994 Paper

Paper

Fabrication of two-dimensional rough surfaces for light scattering and polarization measurements

Michel Josse, Zu-Han Gu

Proceedings Volume 2265, (1994) https://doi.org/10.1117/12.186657

KEYWORDS: Photoresist materials, Light scattering, Objectives, Bragg cells, Polarization, Raster graphics, Profilometers, Scattering, Scatter measurement, Thin film coatings

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Proceedings Article | 1 December 1993 Paper

Paper

Design review of a unique laser monostatic bidirectional reflectometer

Zu-Han Gu, Zong Qi Lin

Proceedings Volume 1995, (1993) https://doi.org/10.1117/12.162644

KEYWORDS: Speckle, Signal to noise ratio, LIDAR, Sensors, Polarization, Homodyne detection, Doppler effect, Signal detection, Reflectivity, Light scattering

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Proceedings Article | 12 February 1993 Paper

Paper

Calculation of signal-to-noise ratio of a monostatic bidirectional laser reflectometer

Zu-Han Gu, Zong Qi Lin, Jeffrey Estep

Proceedings Volume 1753, (1993) https://doi.org/10.1117/12.140710

KEYWORDS: Signal to noise ratio, Speckle, Homodyne detection, Interference (communication), LIDAR, Reflectometry, Doppler effect, Sensors, Beam splitters, Signal detection

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Proceedings Article | 16 September 1992 Paper

Paper

Ladar signature simulation

Jeffrey Estep, Zu-Han Gu

Proceedings Volume 1700, (1992) https://doi.org/10.1117/12.138262

KEYWORDS: LIDAR, Reflectivity, Data modeling, Sensors, Polarization, Beam splitters, Reflectometry, Target detection, Object recognition, Weapons

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Proceedings Article | 1 December 1991 Paper

Paper

Coherence in single and multiple scattering of light from randomly rough surfaces

Zu-Han Gu, Alexei Maradudin, Eugenio Mendez

Proceedings Volume 1530, (1991) https://doi.org/10.1117/12.50497

KEYWORDS: Light scattering, Scattering, Backscatter, Multiple scattering, Silver, Refraction, Metals, Retroreflectors, Optical testing, Glasses

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Proceedings Article | 11 November 1991 Paper

Paper

Light scattering from gold-coated ground glass and chemically etched surfaces

Victor Ruiz-Cortes, Eugenio Mendez, Zu-Han Gu, Alexei Maradudin

Proceedings Volume 1558, (1991) https://doi.org/10.1117/12.49629

KEYWORDS: Scattering, Light scattering, Computer simulations, Data modeling, Profilometers, Wave propagation, Spatial frequencies, Glasses, Surface finishing, Reflection

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Proceedings Article | 11 November 1991 Paper

Paper

Small-angle scattering measurement

Zu-Han Gu, Richard Dummer

Proceedings Volume 1558, (1991) https://doi.org/10.1117/12.49642

KEYWORDS: Laser scattering, Scattering, Mirrors, Signal to noise ratio, Beam splitters, Reflectometry, Signal detection, Light scattering, Bidirectional reflectance transmission function, Speckle

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Proceedings Article | 1 December 1990 Paper

Paper

Experimental study of enhanced transmission through rough metal surfaces

Zu-Han Gu, Richard Dummer, Alexei Maradudin, Jun Lu, Arthur McGurn, Eugenio Mendez

Proceedings Volume 1331, (1990) https://doi.org/10.1117/12.22647

KEYWORDS: Metals, Light scattering, Polaritons, Scattering, Mirrors, Gold, Silver, Surface roughness, Glasses, Reflectometry

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Showing 5 of 48 publications

Proceedings Volume Editor (13)

SPIE Conference Volume | 19 September 2011

Instrumentation, Metrology, and Standards for Nanomanufacturing, Optics, and Semiconductors V

SPIE Conference Volume | 20 August 2010

Reflection, Scattering, and Diffraction from Surfaces II

SPIE Conference Volume | 28 August 2008

Reflection, Scattering, and Diffraction from Surfaces

SPIE Conference Volume | 10 September 2007

Advanced Characterization Techniques for Optics, Semiconductors, and Nanotechnologies III

SPIE Conference Volume | 18 August 2005

Advanced Characterization Techniques for Optics, Semiconductors, and Nanotechnologies II

Showing 5 of 13 publications

Conference Committee Involvement (13)

Instrumentation, Metrology, and Standards for Nanomanufacturing, Optics, and Semiconductors V

24 August 2011 | San Diego, California, United States

Reflection, Scattering, and Diffraction from Surfaces II

2 August 2010 | San Diego, California, United States

Reflection, Scattering, and Diffraction from Surfaces

11 August 2008 | San Diego, California, United States

Advanced Characterization Techniques for Optics, Semiconductors, and Nanotechnologies III

28 August 2007 | San Diego, California, United States

Advanced Characterization Techniques for Optics, Semiconductors, and Nanotechnologies II

2 August 2005 | San Diego, California, United States

Showing 5 of 13 Conference Committees

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