Prof. Changhe Zhou Profile

Prof. Changhe Zhou

Research Professor at Shanghai Institute of Optics and Fine Mechanics

SPIE Involvement:

Conference Program Committee | Conference Chair | Author | Editor

Publications (108)

PROCEEDINGS ARTICLE | June 26, 2017

Three-dimensional Dammann confocal microscopy

Proc. SPIE. 10329, Optical Measurement Systems for Industrial Inspection X

KEYWORDS: Confocal microscopy, Super resolution, Diffractive optical elements, Sensors, Optical coherence tomography, Microscopy, Zone plates, 3D scanning, Binary data, Stimulated emission depletion microscopy

SPIE Conference Volume | February 9, 2017

Holography, Diffractive Optics, and Applications VII

PROCEEDINGS ARTICLE | October 31, 2016

Facial skin color measurement based on camera colorimetric characterization

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Lithium, Detection and tracking algorithms, Cameras, Image processing, Skin, Colorimetry, Image enhancement, Algorithm development, Spectrophotometry, RGB color model

PROCEEDINGS ARTICLE | October 31, 2016

Diode laser array by spectral beam combing with a transmission grating

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Diffraction, Polarization, Output couplers, Reflectivity, Semiconductor lasers, Collimators, Collimation, Laser damage threshold, Chemical elements, Diffraction gratings

PROCEEDINGS ARTICLE | October 31, 2016

High-density grating pair for displacement measurement

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Diffraction, Optical design, Beam splitters, Silica, Polarization, Dielectrics, Interfaces, Physics, Wave propagation, Diffraction gratings

PROCEEDINGS ARTICLE | October 31, 2016

Temporal speckle method for measuring three-dimensional surface of large-sized rough glass

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Optical filters, Speckle, Scattering, Cameras, Glasses, Interferometry, 3D metrology, Image filtering, Binary data, Digital Light Processing

PROCEEDINGS ARTICLE | October 31, 2016

Study of a grating interferometer with high optical subdivision technique

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Mirrors, Prisms, Beam splitters, Light sources, Interferometers, Interferometry, Signal processing, Geometrical optics, Environmental sensing, Diffraction gratings

PROCEEDINGS ARTICLE | October 31, 2016

Research on a grating interferometer with high optical subdivision based on quasi-Littrow configuration

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Laser sources, Diffraction, Mirrors, Optical design, Beam splitters, Doppler effect, Polarization, Interferometers, Heterodyning, Diffraction gratings

PROCEEDINGS ARTICLE | October 31, 2016

Three dimensional identification card and applications

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Eye, Electronics, Cameras, Computing systems, 3D modeling, 3D metrology, 3D displays, Digital Light Processing, 3D image processing, Structured light

PROCEEDINGS ARTICLE | October 31, 2016

Three-dimensional edge extraction in optical scanning holography

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Holograms, Holography, 3D image reconstruction, Image processing, Computer simulations, Heterodyning, Optical scanning, 3D scanning, Spiral phase plates, 3D image processing

PROCEEDINGS ARTICLE | October 31, 2016

Design and analysis of highly efficient reflective 1×3 splitting grating with triangular structure

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Optical components, Diffraction, Optical design, Beam splitters, High power lasers, Error analysis, Reflectivity, Tolerancing, Diffraction gratings, Algorithms

PROCEEDINGS ARTICLE | October 31, 2016

Design and analysis of broadband diffractive optical element for achromatic focusing

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Chromatic aberrations, Diffraction, Optical design, Visible radiation, Holograms, Diffractive optical elements, Polarization, Electromagnetism, Diffraction gratings, Algorithms

PROCEEDINGS ARTICLE | October 31, 2016

Image grating metrology using phase-stepping interferometry in scanning beam interference lithography

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Image fusion, Lithography, Phase shifting, Metrology, Interferometers, Interferometry, Wavefronts, Distortion, Phase interferometry, Phase shifts

PROCEEDINGS ARTICLE | October 31, 2016

Interference pattern period measurement at picometer level

Proc. SPIE. 10022, Holography, Diffractive Optics, and Applications VII

KEYWORDS: Lithography, Mirrors, Beam splitters, Interferometers, Sensors, Error analysis, Signal processing, Electronic filtering, Signal detection, Data analysis

SPIE Conference Volume | August 12, 2015

2015 International Conference on Optical Instruments and Technology: Micro/Nano Photonics and Fabrication

SPIE Conference Volume | December 4, 2014

Holography, Diffractive Optics, and Applications VI

PROCEEDINGS ARTICLE | November 11, 2014

Pitch evaluation of high-precision gratings

Proc. SPIE. 9271, Holography, Diffractive Optics, and Applications VI

KEYWORDS: Speckle, Interferometers, Computer programming, Image analysis, Optical encoders, Digital image correlation, Charge-coupled devices, Laser metrology, CCD image sensors, Laser optics

PROCEEDINGS ARTICLE | November 11, 2014

Mode analysis of beam splitter for slanted grating

Proc. SPIE. 9271, Holography, Diffractive Optics, and Applications VI

KEYWORDS: Diffraction, Optical design, Beam splitters, Holography, Lithium, Ions, Optical communications, Beam analyzers, Diffraction gratings, Algorithms

PROCEEDINGS ARTICLE | November 11, 2014

Numerical study of coupled Dammann grating

Proc. SPIE. 9271, Holography, Diffractive Optics, and Applications VI

KEYWORDS: Diffraction, Optical design, Beam splitters, Lithium, Numerical analysis, 3D metrology, System on a chip, Americium, Diffraction gratings, Algorithms

PROCEEDINGS ARTICLE | November 11, 2014

Binocular three-dimensional measurement system using a Dammann grating

Proc. SPIE. 9271, Holography, Diffractive Optics, and Applications VI

KEYWORDS: Diffraction, 3D acquisition, Cameras, Clouds, 3D modeling, Semiconductor lasers, 3D metrology, 3D scanning, Fiber optic illuminators, Diffraction gratings

PROCEEDINGS ARTICLE | November 11, 2014

Miniature pulse compressor with double-line-density gratings

Proc. SPIE. 9271, Holography, Diffractive Optics, and Applications VI

KEYWORDS: Optical components, Mirrors, Prisms, Femtosecond phenomena, Dispersion, Reflectivity, Fourier transforms, Chemical elements, Optics manufacturing, Diffraction gratings

PROCEEDINGS ARTICLE | November 11, 2014

High divergent 2D grating

Proc. SPIE. 9271, Holography, Diffractive Optics, and Applications VI

KEYWORDS: Microscopes, Diffraction, Optical design, Beam splitters, Etching, Manufacturing, Objectives, Multiphoton lithography, Diffraction gratings, Algorithms

PROCEEDINGS ARTICLE | November 11, 2014

Design and applications of digital diffractive gratings

Proc. SPIE. 9271, Holography, Diffractive Optics, and Applications VI

KEYWORDS: Optical design, Beam splitters, High power lasers, Electrons, Laser applications, Reflectivity, Laser welding, Laser drilling, Fourier transforms, Laser systems engineering

PROCEEDINGS ARTICLE | November 11, 2014

Single-track absolute position encoding method based on spatial frequency of stripes

Proc. SPIE. 9271, Holography, Diffractive Optics, and Applications VI

KEYWORDS: Microscopes, Spatial frequencies, Image processing, Manufacturing, Photodiodes, Computer programming, Head, Charge-coupled devices, CCD image sensors, Binary data

SPIE Journal Paper | May 9, 2014

Integrated digital holography for measuring the photothermal effect induced by femtosecond laser pulses

Zhu, Linwei , Sun, Meiyu , Chen, Jiannong , Yu, Junjie , Zhou, Changhe

OE Vol. 53 Issue 11

KEYWORDS: Femtosecond phenomena, Photothermal effect, Refractive index, Holograms, Metals, Digital holography, Laser ablation, Laser damage threshold, Thermal effects, Phase measurement

SPIE Conference Volume | December 18, 2013

2013 International Conference on Optical Instruments and Technology: Micro/Nano Photonics and Fabrication

SPIE Journal Paper | February 25, 2013

Synthesis aperture femtosecond-pulsed digital holography

Zhu, Linwei , Sun, Meiyu , Chen, Jiannong , Yu, Yongjiang , Zhou, Changhe

OE Vol. 52 Issue 09

KEYWORDS: Digital holography, 3D image reconstruction, Holograms, Charge-coupled devices, Femtosecond phenomena, Image fusion, Image resolution, Chromium, Digital imaging, Image processing

PROCEEDINGS ARTICLE | November 26, 2012

Absorption enhancement in thin-film solar cell using grating structure

Proc. SPIE. 8556, Holography, Diffractive Optics, and Applications V

KEYWORDS: Amorphous silicon, Thin films, Optical design, Antireflective coatings, Waveguides, Polarization, Solar cells, Thin film solar cells, Resonance enhancement, Absorption

PROCEEDINGS ARTICLE | November 26, 2012

Calibration and pre-compensation of direct laser writing system

Proc. SPIE. 8556, Holography, Diffractive Optics, and Applications V

KEYWORDS: Actuators, Chromatic aberrations, Lithography, Microscopes, Ferroelectric materials, Sensors, Calibration, Objectives, Laser systems engineering, Multiphoton lithography

PROCEEDINGS ARTICLE | November 26, 2012

Fast generation of hologram from range camera images based on the sub-lines and holographic interpolation

Proc. SPIE. 8556, Holography, Diffractive Optics, and Applications V

KEYWORDS: Diffraction, Holograms, Holography, 3D image reconstruction, Cameras, Image processing, Video, Distortion, 3D image processing, Visibility

PROCEEDINGS ARTICLE | November 26, 2012

Beam splitters of metal-dielectric reflective gratings

Proc. SPIE. 8556, Holography, Diffractive Optics, and Applications V

KEYWORDS: Diffraction, Optical design, Beam splitters, Silica, Metals, Dielectrics, Silver, Reflectivity, Tolerancing, Diffraction gratings

PROCEEDINGS ARTICLE | November 26, 2012

3D measurement system with two detecting channels using structured light

Proc. SPIE. 8556, Holography, Diffractive Optics, and Applications V

KEYWORDS: Modulation, Cameras, Clouds, 3D modeling, CCD cameras, 3D metrology, Projection systems, Corner detection, Laser imaging, Structured light

PROCEEDINGS ARTICLE | November 26, 2012

Three-dimensional optical techniques using Dammann gratings

Proc. SPIE. 8556, Holography, Diffractive Optics, and Applications V

KEYWORDS: Optical components, Eye, Femtosecond phenomena, Cameras, Computer generated holography, 3D metrology, Zone plates, 3D scanning, 3D image processing, 3D optical data storage

PROCEEDINGS ARTICLE | November 20, 2012

Simplified modal method for subwavelength gratings

Proc. SPIE. 8564, Nanophotonics and Micro/Nano Optics

KEYWORDS: Diffraction, Optical design, Beam splitters, Radon, Silica, Polarization, Reflectivity, Physics, Wave propagation, Diffraction gratings

PROCEEDINGS ARTICLE | November 20, 2012

Modal analysis of a fused-silica three-port beam splitter grating

Proc. SPIE. 8564, Nanophotonics and Micro/Nano Optics

KEYWORDS: Diffraction, Refractive index, Beam splitters, Polarization, Reflection, Image processing, Interfaces, Wave propagation, Modal analysis, Diffraction gratings

PROCEEDINGS ARTICLE | November 20, 2012

Grating imaging scanning lithography for fabrication of large sized grating

Proc. SPIE. 8564, Nanophotonics and Micro/Nano Optics

KEYWORDS: Fabrication, Optical components, Lithography, Imaging systems, Spatial filters, Laser welding, Multiplexing, Telecommunications, Fusion energy, Diffraction gratings

SPIE Journal Paper | November 1, 2012

Enhancement of absorption in thin-film amorphous silicon solar cell with guided mode resonance

Wu, Jun , Zhou, Changhe , Cao, Hongchao , Hu, Anduo , Jia, Wei , Sun, Wenting

OE Vol. 51 Issue 11

KEYWORDS: Absorption, Solar cells, Antireflective coatings, Amorphous silicon, Thin film solar cells, Thin films, Resonance enhancement, Polarization, Optical design, Waveguides

PROCEEDINGS ARTICLE | November 17, 2010

Application to the design of guide-mode resonance grating filter with using simulated annealing method

Proc. SPIE. 7848, Holography, Diffractive Optics, and Applications IV

KEYWORDS: Diffraction, Optical filters, Refractive index, Optical design, Waveguides, Reflection, Reflectivity, Optimization (mathematics), Diffraction gratings, Algorithms

Although there are several well -known methods such as RCWA, FMM, for analyzing the diffraction properties of gratings, design of these optical elements with specified spectral properties is commonly a challenging problem. It is relatively not easy for the researchers to design narrow line-with diffraction filters based on guided mode resonance phenomenon with common diffraction algorithm. Simulated Annealing (SA) method is evolutionary, robust technique that has been widely utilized to design optical diffraction components. This method is inspired by the physical process of heating and controlled cooling of metal material to increase the size of its crystals and reduce their defects. The most distinctive features of this method lie in its powerful ability of convergence towards the global minimum in a reasonable computation time and the independence of the initial parameter values. In this paper, first, the physical basis of SA and its mathematical realization are introduced. Then, a Guided-Mode Resonant Grating (GMRG) filters with single layer is designed by using SA algorithm. The central wavelength of GMRG filter is locked at 532nm and its line-width is fixed at 1nm. The plane wave light radiates the grating from air cover with normal incidence. The optimized parameters are refractive indices and thicknesses of high and low material of grating, other parameters are grating period and fill factor of the grating. It is shown from our calculation that an excellent reflection spectrum with narrow line-width, high peak and low sideband can be obtained after optimizing the grating parameters. Next, a double layered GMRG filter with line-width of 4nm, which is relatively easy fabrication in experiment, is designed at central wavelength of 1064nm. The optimized parameters are grating period, groove depth, refractive index of waveguide layer and fill factor respectively. The grating substrate and waveguide layer are Sio2 and Hfo2 respectively, the grating structure is directly etched on the waveguide layer. The above grating values should be included in reasonable ranges in consideration of grating fabrication in our experiment condition. It is demonstrated from the calculations with the parameters obtained from SA optimization algorithm that the peak diffraction efficiency is more than 99% at central wavelength 1064nm and the sideband reflection is depressed at the level bellow 5% in a large wavelength range. Moreover, the parameters of a triple layer GMRG filter structure are also provided with this powerful method. Meanwhile, the results found by SA method are compared with RCWA theory.

PROCEEDINGS ARTICLE | November 17, 2010

Focal shift and axial dispersion of binary pure-phase filters in focusing systems

Proc. SPIE. 7848, Holography, Diffractive Optics, and Applications IV

KEYWORDS: Chromatic aberrations, Diffraction, Optical filters, Refractive index, Modulation, Etching, Glasses, Silicon, Laser systems engineering, Phase shifts

PROCEEDINGS ARTICLE | November 17, 2010

Measurement of picosecond laser pulses using an autocorrelator and a FROG apparatus

Proc. SPIE. 7848, Holography, Diffractive Optics, and Applications IV

KEYWORDS: Ultrafast phenomena, Second-harmonic generation, Mode locking, Spectroscopy, Crystals, Semiconductor lasers, Picosecond phenomena, Pulsed laser operation, Power meters, Laser systems engineering

PROCEEDINGS ARTICLE | November 5, 2010

Design of an encapsulated fused-silica grating for two-port beam splitting

Proc. SPIE. 7848, Holography, Diffractive Optics, and Applications IV

KEYWORDS: Diffraction, Refractive index, Optical design, Beam splitters, Fabry–Perot interferometers, Interfaces, Reflectivity, Numerical simulations, Wave propagation, Diffraction gratings

PROCEEDINGS ARTICLE | November 5, 2010

Deep-etched fused silica gratings and applications

Proc. SPIE. 7848, Holography, Diffractive Optics, and Applications IV

KEYWORDS: Diffraction, Optical design, Beam splitters, Holography, Femtosecond phenomena, Silica, Polarization, Polarizers, Dense wavelength division multiplexing, Diffraction gratings

PROCEEDINGS ARTICLE | February 3, 2009

Talbot effect under illumination of double femtosecond laser pulses

Proc. SPIE. 7160, 2008 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Applications

KEYWORDS: Mirrors, Femtosecond phenomena, Oscillators, Optical properties, Spectroscopy, Fourier transforms, Physics, Numerical simulations, CCD cameras, Mathematics

PROCEEDINGS ARTICLE | January 15, 2008

Scheme of real-time Dammann grating based miniaturized three-dimensional endoscopic imaging system

Proc. SPIE. 6832, Holography and Diffractive Optics III

KEYWORDS: Endoscopy, Fringe analysis, Imaging systems, Image processing, Fourier transforms, Endoscopes, Data processing, Algorithm development, 3D image processing, Structured light

PROCEEDINGS ARTICLE | January 4, 2008

Transmission polarizing beam splitter of deep-etched silicon grating

Proc. SPIE. 6832, Holography and Diffractive Optics III

KEYWORDS: Diffraction, Refractive index, Optical design, Beam splitters, Holography, Silicon, Optical testing, Optical communications, Mineralogy, Diffraction gratings

PROCEEDINGS ARTICLE | January 20, 2006

Measurement of ultrashort laser pulses with the splitting Dammann gratings

Proc. SPIE. 6027, ICO20: Optical Information Processing

KEYWORDS: Semiconductors, Ultrafast phenomena, Optical components, Beam splitters, Femtosecond phenomena, Dispersion, Glasses, Crystals, Reflectivity, Pulsed laser operation

PROCEEDINGS ARTICLE | September 15, 2005

Superresolution technology applied to optical discs

Proc. SPIE. 5966, Seventh International Symposium on Optical Storage (ISOS 2005)

KEYWORDS: Fabrication, Diffraction, Super resolution, Polarization, Phase shift keying, Micro optics, Optical storage, Optical discs, Filtering (signal processing), Near field optics

PROCEEDINGS ARTICLE | February 10, 2005

A new superresolving design for laser beam shaping

Proc. SPIE. 5638, Optical Design and Testing II

KEYWORDS: Optical components, Diffraction, Optical filters, Genetic algorithms, Super resolution, Phase modulation, Laser development, Wavefronts, Phase shift keying, Optimization (mathematics)

PROCEEDINGS ARTICLE | February 10, 2005

Rigorous electromagnetic analysis of Talbot effect with the finite-difference time-domain method

Proc. SPIE. 5638, Optical Design and Testing II

KEYWORDS: Diffraction, Finite-difference time-domain method, Error analysis, Magnetism, Fourier transforms, Near field, Electromagnetism, Near field optics, Fiber optic illuminators, Diffraction gratings

PROCEEDINGS ARTICLE | February 9, 2005

Nanoscanning method for high-density grating measurement

Proc. SPIE. 5635, Nanophotonics, Nanostructure, and Nanometrology

KEYWORDS: Quartz, Phase shift keying, Quality measurement, Scanning electron microscopy, CCD cameras, Near field scanning optical microscopy, Profilometers, Spatial resolution, Near field optics, Diffraction gratings

PROCEEDINGS ARTICLE | February 7, 2005

Diffraction properties of volume hologram gratings illuminated by an ultrashort-pulsed laser beam

Proc. SPIE. 5636, Holography, Diffractive Optics, and Applications II

KEYWORDS: Ultrafast phenomena, Diffraction, Holograms, Femtosecond phenomena, Modulation, Crystals, Numerical simulations, Volume holography, Diffraction gratings, Absorption

PROCEEDINGS ARTICLE | February 7, 2005

Experimental Talbot effect with femtosecond laser illumination

Proc. SPIE. 5636, Holography, Diffractive Optics, and Applications II

KEYWORDS: Diffraction, Continuous wave operation, Femtosecond phenomena, Oscillators, Laser applications, Distortion, CCD cameras, Near field diffraction, Pulsed laser operation, Diffraction gratings

PROCEEDINGS ARTICLE | February 7, 2005

Deep-etched fused silica grating as a (de)multiplexer for DWDM application at the 1.55-µm wavelength

Proc. SPIE. 5636, Holography, Diffractive Optics, and Applications II

KEYWORDS: Diffraction, Holography, Silica, Polarization, Etching, Photoresist materials, Plasma etching, Dense wavelength division multiplexing, Plasma, Diffraction gratings

PROCEEDINGS ARTICLE | February 7, 2005

Femtosecond pulse shaping with phase-only filters

Proc. SPIE. 5636, Holography, Diffractive Optics, and Applications II

KEYWORDS: Ultrafast phenomena, Diffraction, Optical filters, Femtosecond phenomena, Modulation, Phase shift keying, Pulse shaping, Phase only filters, Femtosecond pulse shaping, Diffraction gratings

PROCEEDINGS ARTICLE | January 27, 2005

Etching analysis of inductively coupled plasma technology for fabrication of micro-optical elements

Proc. SPIE. 5645, Advanced Microlithography Technologies

KEYWORDS: Silica, Etching, Argon, Chemical species, Sputter deposition, Polymers, Ions, Photomasks, Chemical elements, Plasma

PROCEEDINGS ARTICLE | January 13, 2005

Microfabrication of optical elements with femtosecond Ti:sapphire laser oscillator

Proc. SPIE. 5629, Lasers in Material Processing and Manufacturing II

KEYWORDS: Optical components, Femtosecond phenomena, Oscillators, Laser ablation, Photoresist materials, Microelectronics, Photomasks, Sapphire lasers, Microfabrication, Absorption

PROCEEDINGS ARTICLE | January 11, 2005

The contrast of femtosecond laser speckles in the image plane

Proc. SPIE. 5642, Information Optics and Photonics Technology

KEYWORDS: Continuous wave operation, Femtosecond phenomena, Speckle, Scattering, Laser scattering, Surface roughness, Speckle pattern, Aluminum, Radium, Pulsed laser operation

PROCEEDINGS ARTICLE | January 11, 2005

Splitting femtosecond laser pulses by using a Dammann grating

Proc. SPIE. 5642, Information Optics and Photonics Technology

KEYWORDS: Chromatic aberrations, Diffraction, Mirrors, Beam splitters, Femtosecond phenomena, Dispersion, Micromachining, Beam shaping, Pulsed laser operation, Diffraction gratings

PROCEEDINGS ARTICLE | January 10, 2005

Dynamic optical coupler using a Dammann grating

Proc. SPIE. 5623, Passive Components and Fiber-based Devices

KEYWORDS: Optical fibers, Diffraction, Optical design, Beam splitters, Switches, Polarization, Collimation, Fiber couplers, Dynamical systems, Channel projecting optics

PROCEEDINGS ARTICLE | November 4, 2004

Four novel microoptics gratings made in the Information Optics Lab in Shanghai Institute of Optics and Fine Mechanics

Proc. SPIE. 5556, Photonic Devices and Algorithms for Computing VI

KEYWORDS: Confocal microscopy, Optical components, Diffraction, Super resolution, Mechanics, Computer programming, Computer generated holography, Micro optics, Free space optics, Diffraction gratings

SPIE Journal Paper | November 1, 2004

Symmetry of the Talbot effect and its applications

Wang, Wei , Zhou, Changhe

OE Vol. 43 Issue 11

KEYWORDS: Fiber optic illuminators, Computer generated holography, Binary data, Optical components, Holography, Optical design, Optical communications, Optical scanning, Diffraction gratings, Optical engineering

PROCEEDINGS ARTICLE | October 22, 2004

Microfabrication of optical elements with femtosecond Ti:sapphire laser oscillator

Proc. SPIE. 5524, Novel Optical Systems Design and Optimization VII

KEYWORDS: Optical components, Femtosecond phenomena, Oscillators, Glasses, Laser ablation, Photoresist materials, Microelectronics, Photomasks, Sapphire lasers, Microfabrication

PROCEEDINGS ARTICLE | October 22, 2004

Dynamic optical coupled system employing Dammann gratings

Proc. SPIE. 5560, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications X

KEYWORDS: Fabrication, Optical design, Beam splitters, Switches, Structured optical fibers, Numerical analysis, Optical communications, Dynamical systems, Fiber optic communications, Diffraction gratings

PROCEEDINGS ARTICLE | October 14, 2004

High-efficiency photoresist grating at 1.55 µm for DWDM application

Proc. SPIE. 5523, Current Developments in Lens Design and Optical Engineering V

KEYWORDS: Gold, Diffraction, Optical filters, Holography, Polarization, Photoresist materials, Free space optics, Dense wavelength division multiplexing, Photoresist developing, Diffraction gratings

PROCEEDINGS ARTICLE | October 12, 2004

Super resolving filters with discrete continuous phase zones

Proc. SPIE. 5553, Advanced Wavefront Control: Methods, Devices, and Applications II

KEYWORDS: Optical filters, Wavefronts, Control systems, Analytical research, Phase only filters

PROCEEDINGS ARTICLE | September 29, 2004

Femtosecond pulse shaping for time-to-space conversion of ultrafast optical waveforms

Proc. SPIE. 5525, Laser Beam Shaping V

KEYWORDS: Ultrafast phenomena, Optical filters, Optical design, Femtosecond phenomena, Ultrafast measurement systems, Modulation, Phase shift keying, Ultrafast lasers, Femtosecond pulse shaping, Diffraction gratings

PROCEEDINGS ARTICLE | September 29, 2004

Study of superresolution with annular filters

Proc. SPIE. 5525, Laser Beam Shaping V

KEYWORDS: Diffraction, Optical filters, Super resolution, Phase modulation, Numerical simulations, Phase shift keying, Solids, Photomasks, Optical storage, Binary data

PROCEEDINGS ARTICLE | September 29, 2004

Theoretical study and applications of Talbot effect

Proc. SPIE. 5529, Nonimaging Optics and Efficient Illumination Systems

KEYWORDS: Optical components, Optical design, Holography, Computer programming, Computer generated holography, Optical scanning, Optical communications, Optical interconnects, Binary data, Fiber optic illuminators

SPIE Journal Paper | August 1, 2004

Ultrafast temporal pattern generation and recognition

Zou, Hua , Dai, Enwen , Zhou, Changhe , Zhang, Yanyan

OE Vol. 43 Issue 08

KEYWORDS: Ultrafast phenomena, Femtosecond phenomena, Pattern recognition, Ultrafast measurement systems, Modulation, Linear filtering, Phase shift keying, Optical pattern recognition, Optical engineering, Error analysis

PROCEEDINGS ARTICLE | December 29, 2003

Design and fabrication of high-density holographic gratings for DWDM applications

Proc. SPIE. 5184, Physics, Theory, and Applications of Periodic Structures in Optics II

KEYWORDS: Thin films, Diffraction, Optical filters, Optical design, Holography, Polarization, Dielectrics, Photoresist materials, Dense wavelength division multiplexing, Diffraction gratings

PROCEEDINGS ARTICLE | December 12, 2003

Symmetric color separation gratings

Proc. SPIE. 5201, Photonic Devices and Algorithms for Computing V

KEYWORDS: Diffraction, Refractive index, Optical design, Manufacturing, Solids, Micro optics, Photomasks, Optical alignment, Tolerancing, Diffraction gratings

PROCEEDINGS ARTICLE | December 8, 2003

An analysis to the Fresnel diffraction of a grating

Proc. SPIE. 5254, Third International Conference on Photonics and Imaging in Biology and Medicine

KEYWORDS: Superposition, Holography, Mechanics, Computer programming, Optoelectronics, Near field diffraction, Instrumentation engineering, Binary data, Fiber optic illuminators, Diffraction gratings

PROCEEDINGS ARTICLE | November 6, 2003

Fabrication of optical elements with femtosecond doubled-frequency Ti:sapphire laser

Proc. SPIE. 5174, Novel Optical Systems Design and Optimization VI

KEYWORDS: Optical components, Optical filters, Femtosecond phenomena, Crystals, Chromium, Photoresist materials, Photomasks, Sapphire lasers, Laser crystals, Laser systems engineering

PROCEEDINGS ARTICLE | November 3, 2003

Etching quartz with inductively coupled plasma etching equipment

Proc. SPIE. 5183, Lithographic and Micromachining Techniques for Optical Component Fabrication II

KEYWORDS: Etching, Quartz, Argon, Polymers, Ions, Photoresist materials, Plasma etching, Chemical elements, Plasma systems, Plasma

PROCEEDINGS ARTICLE | October 20, 2003

Near-field detection of the quality of high-density gratings with nanotechnology

Proc. SPIE. 5225, Nano- and Micro-Optics for Information Systems

KEYWORDS: Nanotechnology, Optical microscopes, Moire patterns, Optical signal processing, Sensors, Photoresist materials, Near field scanning optical microscopy, Near field, Near field optics, Diffraction gratings

PROCEEDINGS ARTICLE | July 22, 2003

Miniaturized 3D endoscopic imaging system

Proc. SPIE. 4958, Advanced Biomedical and Clinical Diagnostic Systems

KEYWORDS: Endoscopy, 3D acquisition, Surgery, Imaging systems, Calibration, 3D modeling, Endoscopes, 3D metrology, 3D image processing, Structured light

PROCEEDINGS ARTICLE | November 20, 2002

Nonvolatile photorefractive holograms in doubly doped LiNbO3: uniform theory and verification

Proc. SPIE. 4803, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VIII

KEYWORDS: Holograms, Holography, Iron, Ultraviolet radiation, Crystals, Copper, Electrons, Manganese, Laser crystals, Cerium

PROCEEDINGS ARTICLE | November 20, 2002

Bleaching effect in LiNbO3:Fe:Cu crystals and its application for nonvolatile holographic storage

Proc. SPIE. 4803, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VIII

KEYWORDS: Visible radiation, Holography, Iron, Optical properties, Ultraviolet radiation, Crystals, Copper, Crystal optics, Holography applications, Absorption

PROCEEDINGS ARTICLE | November 15, 2002

Laser beam scanning based on the Talbot phase-encoding method

Proc. SPIE. 4788, Photonic Devices and Algorithms for Computing IV

KEYWORDS: Diffraction, Microlens array, Glasses, Scanners, Laser applications, Computer programming, Optical scanning, Micro optics, Microelectronics, Nonimpact printing

PROCEEDINGS ARTICLE | November 15, 2002

Dynamic optical coupling technique based on complementary Dammann gratings

Proc. SPIE. 4788, Photonic Devices and Algorithms for Computing IV

KEYWORDS: Diffraction, Beam splitters, Structured optical fibers, Numerical analysis, Optical communications, Fiber couplers, Dense wavelength division multiplexing, Fiber optic networks, Binary data, Diffraction gratings

PROCEEDINGS ARTICLE | November 6, 2002

Superresolution technology for small diffraction spot size in the far field

Proc. SPIE. 4825, High-Resolution Wavefront Control: Methods, Devices, and Applications IV

KEYWORDS: Confocal microscopy, Diffraction, Super resolution, Microscopy, Wavefronts, Phase shift keying, Photoresist materials, Reactive ion etching, Signal detection, Binary data

PROCEEDINGS ARTICLE | September 20, 2002

Design of highly flat-output gain equalizers

Proc. SPIE. 4927, Optical Design and Testing

KEYWORDS: Fiber amplifiers, Optical components, Optical filters, Optical amplifiers, Polarization, Crystals, Wavelength division multiplexing, Polarizers, Transmittance, Crystal optics

PROCEEDINGS ARTICLE | September 20, 2002

Design of the filter with flattening spectral transmittance

Proc. SPIE. 4927, Optical Design and Testing

KEYWORDS: Optical filters, Polarization, Crystals, Fourier transforms, Wavelength division multiplexing, Polarizers, Numerical analysis, Transmittance, Dense wavelength division multiplexing, Crystal optics

PROCEEDINGS ARTICLE | September 16, 2002

Ultrafast study of near-field hexagonal array illumination

Proc. SPIE. 4929, Optical Information Processing Technology

KEYWORDS: Ultrafast phenomena, Crystals, Fourier transforms, Near field, Optical communications, Sapphire lasers, Optical computing, Near field optics, Fiber optic illuminators, Diffraction gratings

PROCEEDINGS ARTICLE | September 5, 2002

Circular Dammann grating and its applications

Proc. SPIE. 4923, Nano-Optics and Nano-Structures

KEYWORDS: Diffraction, Ferroelectric materials, Microscopy, Wavefronts, Numerical simulations, Photoresist materials, Beam shaping, Reactive ion etching, Signal detection, Binary data

PROCEEDINGS ARTICLE | September 4, 2002

Fast and effective algorithm for synthesizing computer-generated holograms

Proc. SPIE. 4768, Novel Optical Systems Design and Optimization V

KEYWORDS: Glasses, Chromium, Computer generated holography, Image quality, Image enhancement, Reconstruction algorithms, Optimization (mathematics), Binary data, Plasma, Algorithms

PROCEEDINGS ARTICLE | August 30, 2002

Space-multiplexed diffractive optical device based on Talbot effect

Proc. SPIE. 4924, Holography, Diffractive Optics, and Applications

KEYWORDS: Optical components, Holograms, Diffractive optical elements, Wavefronts, Multiplexing, Computer generated holography, Astronomical imaging, Optical interconnects, Binary data, Fiber optic illuminators

PROCEEDINGS ARTICLE | August 30, 2002

Optimization of dynamic holographic storage in photochromic LiNbO3:Fe:Mn crystals

Proc. SPIE. 4924, Holography, Diffractive Optics, and Applications

KEYWORDS: Diffraction, Holograms, Holography, Iron, Ultraviolet radiation, Crystals, Electrons, Manganese, Laser crystals, Oxidation

PROCEEDINGS ARTICLE | August 28, 2002

Rediscovering the waveguide beam splitter/combiner

Proc. SPIE. 4904, Optical Fiber and Planar Waveguide Technology II

KEYWORDS: Diffraction, Beam splitters, Waveguides, Free space, Telecommunications, Optical communications, Micro optics, Microelectronics, Brain-machine interfaces, Beam propagation method

PROCEEDINGS ARTICLE | January 23, 2002

Experimental study of properties of two-center nonvolatile holographic recording in LiNbO3:Cu:Ce crystals

Proc. SPIE. 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage

KEYWORDS: Holograms, Holography, Optical properties, Crystals, Argon ion lasers, Laser crystals, Helium neon lasers, Optical storage, Crystal optics, Crystallography

PROCEEDINGS ARTICLE | January 23, 2002

Self-enhanced accumulative recording of nonvolatile photorefractive holograms in LiNbO3:Fe:Mn

Proc. SPIE. 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage

KEYWORDS: Diffraction, Holograms, Optical properties, Scattering, Ultraviolet radiation, Crystals, Electrons, Light scattering, Optical storage, Crystal optics

PROCEEDINGS ARTICLE | January 23, 2002

Optically fixed photorefractive correlator

Proc. SPIE. 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage

KEYWORDS: Holography, Optical properties, Crystals, Optical storage, Optical correlators, Crystal optics, Photorefractive correlators

PROCEEDINGS ARTICLE | December 26, 2001

Decomposing rule of two-dimensional separable Talbot array illuminator

Proc. SPIE. 4438, Physics, Theory, and Applications of Periodic Structures in Optics

KEYWORDS: Fabrication, Physics, Factor analysis, Fiber optic illuminators

PROCEEDINGS ARTICLE | December 26, 2001

Pulse-width measurement of ultrashort laser pulse based on Talbot effect

Proc. SPIE. 4438, Physics, Theory, and Applications of Periodic Structures in Optics

KEYWORDS: Ultrafast phenomena, Diffraction, Light sources, Error analysis, Laser applications, Physics, Numerical analysis, Harmonic generation, Nonlinear crystals, Pulsed laser operation

PROCEEDINGS ARTICLE | December 21, 2001

Initial phase assignment method for synthesizing computer generated hologram

Proc. SPIE. 4436, Wave-Optical Systems Engineering

KEYWORDS: Diffraction, Holograms, Glasses, Fourier transforms, Computer generated holography, Systems engineering, Iterative methods, Binary data, Plasma

PROCEEDINGS ARTICLE | December 6, 2001

Phase gratings made with inductively coupled plasma technology

Proc. SPIE. 4470, Photonic Devices and Algorithms for Computing III

KEYWORDS: Optical components, Photonic devices, Etching, Dry etching, Ions, Process control, Reactive ion etching, Plasma

PROCEEDINGS ARTICLE | December 6, 2001

Possibility of phase-contrast pickup head for two-layered optical disk

Proc. SPIE. 4470, Photonic Devices and Algorithms for Computing III

KEYWORDS: Photonic devices, Head, Objectives, Optical discs

PROCEEDINGS ARTICLE | November 29, 2000

Arbitrary-phase-modulated Talbot illuminator

Proc. SPIE. 4114, Photonic Devices and Algorithms for Computing II

KEYWORDS: Optical components, Beam splitters, Stars, Modulation, Phase shift keying, Micro optics, Optical simulations, Integrated optics, Optical discs, Fiber optic illuminators

PROCEEDINGS ARTICLE | November 29, 2000

Time dependence of Talbot effect under ultrashort laser illumination

Proc. SPIE. 4114, Photonic Devices and Algorithms for Computing II

KEYWORDS: Ultrafast phenomena, Diffraction, Femtosecond phenomena, Mechanics, Argon, Fourier transforms, Near field diffraction, Laser metrology, Pulsed laser operation, Diffraction gratings

PROCEEDINGS ARTICLE | November 29, 2000

Photorefractive holographic interferometer sensor integrated in a single block of photochromic Fe:Mn:LiNbO3 crystal

Proc. SPIE. 4114, Photonic Devices and Algorithms for Computing II

KEYWORDS: Holograms, Holography, Mach-Zehnder interferometers, Interferometers, Sensors, Ultraviolet radiation, Crystals, Holographic interferometry, Temperature metrology, Diffraction gratings

PROCEEDINGS ARTICLE | October 19, 2000

Temperature-dependent locality of photorefractive hologram fixed by CO2 laser heating

Proc. SPIE. 4110, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VI

KEYWORDS: Diffraction, Holograms, Lithium niobate, Crystals, Electrons, Carbon dioxide lasers, Gas lasers, Thulium, Laser crystals, Carbon monoxide

PROCEEDINGS ARTICLE | October 19, 2000

Experimental study of nonvolatile holographic storage of multiply doped lithium niobate crystals

Proc. SPIE. 4110, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VI

KEYWORDS: Diffraction, Holography, Lithium niobate, Modulation, Scattering, Ultraviolet radiation, Crystals, Light scattering, Manganese, Laser crystals

PROCEEDINGS ARTICLE | October 19, 2000

Steady state analytic solutions on photorefractive grating formulation with any light modulation and excitation

Proc. SPIE. 4110, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VI

KEYWORDS: Refractive index, Holograms, Holography, Modulation, Crystals, Electrons, Physics, Phase shift keying, Laser crystals, Phase shifts

PROCEEDINGS ARTICLE | October 1, 1999

Integrated edge-improved Talbot illuminator

Proc. SPIE. 3805, Photonic Devices and Algorithms for Computing

KEYWORDS: Modulation, Glasses, Phase shift keying, Parallel processing, Integrated optics, System integration, Optical arrays, Stereolithography, Surface finishing, Fiber optic illuminators

PROCEEDINGS ARTICLE | October 1, 1999

Crystal substrate integration of free-space optical computing systems

Proc. SPIE. 3805, Photonic Devices and Algorithms for Computing

KEYWORDS: Holograms, Switches, Switching, Polarization, Image processing, Crystals, Control systems, Integrated optics, Calcite, Electro optics

PROCEEDINGS ARTICLE | September 8, 1999

Character of the Fresnel diffraction of an ultrashort-pulsed light of a grating

Proc. SPIE. 3862, 1999 International Conference on Industrial Lasers

KEYWORDS: Mechanics, Argon, Fourier transforms, Near field diffraction, Optical computing, Optical interconnects, Laser optics, Optical arrays, Light wave propagation, Diffraction gratings

PROCEEDINGS ARTICLE | May 22, 1998

Optical complex negabinary matrix multiplier using electro-optic outer-product devices

Proc. SPIE. 3490, Optics in Computing '98

KEYWORDS: Photodetectors, Glasses, Polarizers, Semiconductor lasers, Spatial light modulators, Convolution, Analog electronics, Electro optics, Matrix multiplication, Array processing

PROCEEDINGS ARTICLE | July 12, 1993

One compact optical implementation method for second-order neural networks

Proc. SPIE. 1806, Optical Computing

KEYWORDS: Neural networks, Optical computing, Computer architecture, Content addressable memory

Showing 5 of 108 publications

Conference Committee Involvement (19)

High Power Lasers for Fusion Research V

6 February 2019 | San Francisco, California, United States

Nanophotonics and Micro/Nano Optics IV

12 October 2018 | Beijing, China

Holography, Diffractive Optics, and Applications VIII

11 October 2018 | Beijing, China

Optical Measurement Systems for Industrial Inspection X

26 June 2017 | Munich, Germany

Optoelectronics and Micro/nano-optics

4 June 2017 | Beijing, China

Showing 5 of 19 published special sections

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