Prof. Xu Liu Profile

Prof. Xu Liu

Professor at Zhejiang Univ

SPIE Involvement:

Publications (60)

PROCEEDINGS ARTICLE | March 15, 2018

High contrast wide-field evanescent wave illuminated sub-diffraction imaging (Conference Presentation)

Proc. SPIE. 10506, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XV

KEYWORDS: Nanotechnology, Super resolution, Microscopy, Optical microscopy, Image resolution, Image analysis, Super resolution microscopy, Nanomaterials, Stochastic processes, Stimulated emission depletion microscopy

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PROCEEDINGS ARTICLE | March 15, 2018

Assessing tissues' inhomogeneous optical properties based on quantitative phase imaging and dark field microscopy with LED illumination (Conference Presentation)

Proc. SPIE. 10503, Quantitative Phase Imaging IV

KEYWORDS: Microscopes, Light sources, Super resolution, Phase contrast, Microscopy, Luminescence, Light scattering, Image resolution, Image quality, Absorption

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SPIE Journal Paper | November 11, 2017

Lensless imaging through multiple phase patterns illumination

Hussain, Anwar , Li, Yicheng , Liu, Diyi , Kuang, Cuifang , Xu, Liu

JBO Vol. 22 Issue 11

KEYWORDS: Sensors, Image sensors, Signal to noise ratio, Image processing, Image resolution, Imaging systems, Microscopy, Image quality, Image retrieval, Spatial light modulators

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SPIE Journal Paper | September 15, 2017

Optimization of wavefront coding systems based on the use of multitarget optimization

Le, Vannhu , Kuang, Cuifang , Xu, Liu

OE Vol. 56 Issue 09

KEYWORDS: Optical transfer functions, Wavefronts, Image restoration, Imaging systems, Signal to noise ratio, Digital signal processing, Image compression, Phase shift keying, Modulation transfer functions, Point spread functions

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SPIE Conference Volume | August 31, 2017

14th Conference on Education and Training in Optics and Photonics: ETOP 2017

PROCEEDINGS ARTICLE | August 16, 2017

The role of Chinese National Steering Committee of Optics and Photonics (CNSCOP)

Proc. SPIE. 10452, 14th Conference on Education and Training in Optics and Photonics: ETOP 2017

KEYWORDS: Photonics, Standards development

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PROCEEDINGS ARTICLE | August 16, 2017

Chinese National Optical Education Small Private Online Course system

Proc. SPIE. 10452, 14th Conference on Education and Training in Optics and Photonics: ETOP 2017

KEYWORDS: Internet, Photonics, Optical engineering

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PROCEEDINGS ARTICLE | August 16, 2017

Evolution of National University Students' Optical-Science-Technology competition in China

Proc. SPIE. 10452, 14th Conference on Education and Training in Optics and Photonics: ETOP 2017

KEYWORDS: Optoelectronics, Photonics, Optical communications, Optics education, Electrical engineering

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PROCEEDINGS ARTICLE | August 16, 2017

Hierarchy curriculum for practical skills training in optics and photonics

Proc. SPIE. 10452, 14th Conference on Education and Training in Optics and Photonics: ETOP 2017

KEYWORDS: Optical design, Photonics, Optical engineering, Education and training

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PROCEEDINGS ARTICLE | April 28, 2017

Broadband light absorber based on porous alumina structure covered with ultrathin iridium film (Conference Presentation)

Proc. SPIE. 10112, Photonic and Phononic Properties of Engineered Nanostructures VII

KEYWORDS: Superposition, Infrared imaging, Nanostructures, Surface plasmons, Metals, Solar cells, Dielectrics, Iridium, Light wave propagation, Absorption

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PROCEEDINGS ARTICLE | January 5, 2017

A comprehensive description of diffraction phase microscopy

Proc. SPIE. 10245, International Conference on Innovative Optical Health Science

KEYWORDS: Optical imaging, Diffraction, Biomedical optics, Coherence (optics), Microscopy, Optical microscopy, Interferometry, Phase imaging

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PROCEEDINGS ARTICLE | January 5, 2017

3D reconstruction of cortical microtubules using multi-angle total internal reflection fluorescence microscopy

Proc. SPIE. 10245, International Conference on Innovative Optical Health Science

KEYWORDS: Optical imaging, Biomedical optics, Microscopy, Luminescence, Optical microscopy, Medical imaging

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PROCEEDINGS ARTICLE | October 8, 2015

The development of O2O system of resource sharing courses for the discipline of optical engineering in China

Proc. SPIE. 9793, Education and Training in Optics and Photonics: ETOP 2015

KEYWORDS: Lithium, Video, Receivers, Adaptive optics, Photonics, Optical engineering, Digital video recorders, Defense technologies, Optical instrument design, Standards development

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PROCEEDINGS ARTICLE | June 22, 2015

A new indicator in early drought diagnosis of cucumber with chlorophyll fluorescence imaging

Proc. SPIE. 9530, Automated Visual Inspection and Machine Vision

KEYWORDS: Light emitting diodes, Modulation, Imaging systems, Luminescence, Photons, Fluorescence spectroscopy, Fermium, Physiology, Photosynthesis, Light

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PROCEEDINGS ARTICLE | December 17, 2014

Simultaneous control on the intensity and phase profile of laser beam with Monge-Ampère equation method

Proc. SPIE. 9293, International Optical Design Conference 2014

KEYWORDS: Mathematical modeling, Optical design, Wavefronts, Lens design, Collimation, Nonlinear optics, Partial differential equations, Beam shaping, Freeform optics, System on a chip

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SPIE Journal Paper | July 28, 2014

Automatic geometrical calibration for multiprojector-type light field three-dimensional display

Chen, Bei-shi , Zhong, Qing , Li, Hai-feng , Liu, Xu , Xu, Hai-song

OE Vol. 53 Issue 07

KEYWORDS: Calibration, 3D displays, Projection systems, Diffusers, 3D image processing, Interfaces, Prototyping, Displays, Optical engineering, Reconstruction algorithms

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PROCEEDINGS ARTICLE | July 17, 2014

The high education of optical engineering in East China

Proc. SPIE. 9289, 12th Education and Training in Optics and Photonics Conference

KEYWORDS: Mechanics, Imaging systems, Computing systems, Telecommunications, Photonics, Optical communications, Optical engineering, Integrated optics, Computer aided design, Optical instrument design

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SPIE Journal Paper | September 25, 2013

Time-gated stimulated emission depletion nanoscopy

Wang, Yifan , Kuang, Cuifang , Gu, Zhaotai , Xu, Yingke , Li, Shuai , Hao, Xiang , Liu, Xu

OE Vol. 52 Issue 09

KEYWORDS: Stimulated emission depletion microscopy, Luminescence, Super resolution microscopy, Confocal microscopy, Point spread functions, Signal to noise ratio, Microscopy, Wave plates, Objectives, Polarization

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PROCEEDINGS ARTICLE | September 18, 2013

Optical design for uniform color mixing illumination system

Proc. SPIE. 8834, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration X

KEYWORDS: Optical design, Light emitting diodes, LED lighting, Lens design, Diffusers, Light sources and illumination, LED backlight, LED displays, Optimization (mathematics), Spherical lenses

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PROCEEDINGS ARTICLE | August 23, 2013

High speed optical nanoscopy by stimulated emission depletion (STED) with galvo mirrors

Proc. SPIE. 8911, International Symposium on Photoelectronic Detection and Imaging 2013: Micro/Nano Optical Imaging Technologies and Applications

KEYWORDS: Confocal microscopy, Microscopes, Diffraction, Mirrors, Nanoparticles, Microscopy, Luminescence, Super resolution microscopy, Collimation, Stimulated emission depletion microscopy

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SPIE Journal Paper | January 7, 2013

Large-sized light field three-dimensional display using multi-projectors and directional diffuser

Peng, Yi-fan , Li, Hai-feng , Zhong, Qing , Xia, Xin-xing , Liu, Xu

OE Vol. 52 Issue 01

KEYWORDS: Diffusers, Projection systems, 3D displays, Prototyping, 3D image processing, Image resolution, 3D volumetric displays, Optical engineering, Reconstruction algorithms, Distortion

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SPIE Journal Paper | September 13, 2012

Contrast-enhancing polarization control method for surface plasmon imaging sensor

Huang, Zihao , Wang, Xiaoping , Zhan, Shuyue , Liu, Xu

OE Vol. 51 Issue 9

KEYWORDS: Polarization control, Gold, Prisms, Refractive index, Error analysis, Polarizers, Wave plates, Surface plasmons, Optical sensors, Optical testing

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SPIE Conference Volume | January 24, 2012

Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Sensing and Imaging

SPIE Journal Paper | March 1, 2011

Omnidirectional multiview three-dimensional display based on direction-selective light-emitting diode array

Yan, Caijie , Liu, Xu , Liu, Di , Xie, Jing , Xia, Xin Xing , Li, Haifeng

OE Vol. 50 Issue 03

KEYWORDS: 3D displays, Light emitting diodes, LED displays, 3D image processing, 3D acquisition, 3D volumetric displays, 3D vision, Displays, Image processing, Cameras

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PROCEEDINGS ARTICLE | September 25, 2008

Spatial dispersion of optical thin films

Proc. SPIE. 7101, Advances in Optical Thin Films III

KEYWORDS: Thin films, Multilayers, Dispersion, Polymers, Reflectivity, Liquid crystals, Tunable filters, Thin film coatings, Thin film devices, Phase shifts

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PROCEEDINGS ARTICLE | September 23, 2008

Secondary optical design for LED illumination using freeform lens

Proc. SPIE. 7103, Illumination Optics

KEYWORDS: Optical design, Light emitting diodes, LED lighting, Lens design, 3D modeling, Numerical analysis, Refraction, Partial differential equations, Spherical lenses, Light

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SPIE Journal Paper | April 1, 2007

Reproduction of a computer-generated hologram with a white light source and liquid crystal device

Zhang, Xiaojie , Liu, Xu , Li, Hai-feng

OE Vol. 46 Issue 04

KEYWORDS: LCDs, Holograms, 3D image reconstruction, Computer generated holography, Holography, Light sources, Light emitting diodes, Image quality, Digital holography, Optical engineering

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PROCEEDINGS ARTICLE | January 28, 2006

Beam splitting phenomena in Fabry-Perot filter

Proc. SPIE. 6025, ICO20: Optical Communication

KEYWORDS: Thin films, Optical filters, Beam splitters, Fabry–Perot interferometers, Gaussian beams, Dispersion, Photonic crystals, Transmittance, Charge-coupled devices, Electronic filtering

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SPIE Conference Volume | January 11, 2006

ICO20: Display Devices and Systems

PROCEEDINGS ARTICLE | December 9, 2005

A new type of Shack-Hartmann wavefront sensor using liquid crystal display

Proc. SPIE. 6024, ICO20: Optical Devices and Instruments

KEYWORDS: Optical design, Holograms, Holography, Microlens array, Sensors, Calibration, Wavefront sensors, Wavefronts, LCDs, Microlens

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PROCEEDINGS ARTICLE | October 5, 2005

Studies on superprism effects in multilayer thin film stacks

Proc. SPIE. 5963, Advances in Optical Thin Films II

KEYWORDS: Thin films, Optical filters, Prisms, Multilayers, Reflection, Dispersion, Reflectivity, Transmittance, Thin film coatings, Thin film devices

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PROCEEDINGS ARTICLE | February 10, 2005

Spectrophotometer for measuring spectral transmittance and reflectance of large-aperture optical element

Proc. SPIE. 5638, Optical Design and Testing II

KEYWORDS: Optical components, Sensors, Optical coatings, Reflectivity, Optical testing, Signal processing, Transmittance, Integrating spheres, Monochromators, Spectrophotometry

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PROCEEDINGS ARTICLE | February 7, 2005

Computer-generated holograms for 3D objects using the Fresnel zone plate

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

KEYWORDS: Holograms, Holography, 3D image reconstruction, Wavefronts, 3D modeling, Computer generated holography, LCDs, Reconstruction algorithms, Zone plates, 3D image processing

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PROCEEDINGS ARTICLE | February 7, 2005

Reduction in the reconstruction error of computer-generated holograms in liquid crystal panels

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

KEYWORDS: Diffraction, Holograms, Holography, 3D image reconstruction, Wavefronts, Computer generated holography, LCDs, Liquid crystals, Reconstruction algorithms, 3D displays

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PROCEEDINGS ARTICLE | January 31, 2005

Optical trait of unsymmetrical metal microcavity in organic thin film luminescent devices

Proc. SPIE. 5624, Semiconductor and Organic Optoelectronic Materials and Devices

KEYWORDS: Thin films, Refractive index, Mirrors, Reflection, Metals, Dielectrics, Interfaces, Reflectivity, Thin film devices, Optical microcavities

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PROCEEDINGS ARTICLE | January 20, 2005

CCD-based system for two-dimensional measurement of color uniformity of LCD projector

Proc. SPIE. 5633, Advanced Materials and Devices for Sensing and Imaging II

KEYWORDS: Imaging systems, Sensors, Calibration, Spectroscopy, CCD cameras, Spectral calibration, LCDs, Projection systems, Liquid crystals, Charge-coupled devices

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PROCEEDINGS ARTICLE | January 20, 2005

Auto-focusing and auto-alignment system for three-panel LCD projection display

Proc. SPIE. 5633, Advanced Materials and Devices for Sensing and Imaging II

KEYWORDS: Mathematical modeling, Imaging systems, Image processing, Manufacturing, Computing systems, LCDs, Projection systems, Charge-coupled devices, Optical alignment, LCD projection

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PROCEEDINGS ARTICLE | January 18, 2005

Instrumentation of fiber-based functional optical coherence tomographic imaging system

Proc. SPIE. 5630, Optics in Health Care and Biomedical Optics: Diagnostics and Treatment II

KEYWORDS: Biomedical optics, Coherence (optics), Polarization, Imaging systems, Optical coherence tomography, Modulators, Tomography, Functional imaging, Tissue optics, Doppler tomography

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PROCEEDINGS ARTICLE | January 17, 2005

Angular characters of enhanced resonance in an active microcavity embedded in dielectric Bragg reflectors

Proc. SPIE. 5644, Optoelectronic Devices and Integration

KEYWORDS: Reflectors, Mirrors, Dielectrics, Quantum efficiency, Reflectivity, Optoelectronic devices, Optical microcavities, Resonance enhancement, Phase shifts, Absorption

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PROCEEDINGS ARTICLE | January 12, 2005

Data acquirement and remodeling on volumetric 3D emissive display system

Proc. SPIE. 5632, Light-Emitting Diode Materials and Devices

KEYWORDS: Displays, Light emitting diodes, Data modeling, Visualization, 3D modeling, Data acquisition, 3D displays, LED displays, 3D image processing, OpenGL

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PROCEEDINGS ARTICLE | January 12, 2005

Key factors in the design of a LED volumetric 3D display system

Proc. SPIE. 5632, Light-Emitting Diode Materials and Devices

KEYWORDS: Image fusion, Light emitting diodes, Visualization, Image quality, 3D displays, LED displays, 3D vision, 3D image processing, 3D volumetric displays, 3D volumetric display

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PROCEEDINGS ARTICLE | December 30, 2004

Microfluid oscillator based on thermocapillarity

Proc. SPIE. 5641, MEMS/MOEMS Technologies and Applications II

KEYWORDS: Actuators, Microfluidics, Glasses, Silicon, Diffusion, Resistance, Boron, Resistors, Semiconducting wafers, Liquids

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PROCEEDINGS ARTICLE | September 17, 2002

Narrow emission from polyimide light-emitting diodes

Proc. SPIE. 4918, Materials, Devices, and Systems for Display and Lighting

KEYWORDS: Light emitting diodes, Organic light emitting diodes, Polymers, Glasses, Annealing, Energy transfer, Electroluminescence, Aluminum, Polymer thin films, Molecular energy transfer

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PROCEEDINGS ARTICLE | August 23, 2002

Optical interleaver based on multicavity Fabry-Perot thin film filter

Proc. SPIE. 4906, Optical Components and Transmission Systems

KEYWORDS: Thin films, Optical filters, Refractive index, Fabry–Perot interferometers, Lithium, Optical communications, Dense wavelength division multiplexing, Electronic filtering, Multiplexers, Fused quartz

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PROCEEDINGS ARTICLE | October 15, 2001

Tunable F-P optical filter based on microcavity structure

Proc. SPIE. 4600, Advances in Microelectronic Device Technology

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PROCEEDINGS ARTICLE | October 3, 2000

Discussion of optoelectronic HMDASS

Proc. SPIE. 4220, Advanced Photonic Sensors: Technology and Applications

KEYWORDS: Goggles, Reticles, Glasses, Reflectivity, Optoelectronics, LCDs, Modulation transfer functions, Head-mounted displays, Plating, Dichroic materials

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PROCEEDINGS ARTICLE | October 3, 2000

Novel organic electroluminescent device using a new Eu3+ polymer as emitting laser

Proc. SPIE. 4220, Advanced Photonic Sensors: Technology and Applications

KEYWORDS: Electrodes, Polymers, Luminescence, Electrons, Electroluminescence, Solids, Aluminum, Vacuum deposition, Europium, Telescopic pixel displays

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PROCEEDINGS ARTICLE | May 20, 1999

Improved projection optics for reflective silicon CMOS light valves

Proc. SPIE. 3634, Projection Displays V

KEYWORDS: Optical design, Prisms, Polarization, Silicon, Optical coatings, Reflectivity, Polarizers, LCDs, Projection systems, Light valves

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PROCEEDINGS ARTICLE | August 18, 1998

Compact LCD projector with high optical performance

Proc. SPIE. 3560, Display Devices and Systems II

KEYWORDS: Mirrors, Prisms, Light sources, Transformers, Polarization, Metals, Lamps, LCDs, Projection systems, Light

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PROCEEDINGS ARTICLE | October 3, 1996

Realization of parallel subtraction using LCLV in optical neural network

Proc. SPIE. 2897, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications

KEYWORDS: Superposition, Diffraction, Beam splitters, Modulation, Computer programming, Detector arrays, Liquid crystals, Neural networks, Light valves, Diffraction gratings

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SPIE Journal Paper | October 1, 1996

Optical modified signed-digit addition module based on Boolean polarization-encoded logic algebra

Wang, Bin , Yu, Feihong , Liu, Xu , Gu, Peifu , Tang, Jinfa

OE Vol. 35 Issue 10

KEYWORDS: Transform theory, Logic, Polarization, LCDs, Logic devices, Polarizers, Optical engineering, Signal detection, Computer programming, Beam splitters

PROCEEDINGS ARTICLE | November 4, 1994

Applications of thin film techniques in liquid crystal light valve (LCLV) device

Proc. SPIE. 2253, Optical Interference Coatings

KEYWORDS: Thin films, Optical properties, Molecules, Resistance, Reflectivity, Liquid crystals, Geometrical optics, Light valves, Dielectric mirrors, Thin film devices

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PROCEEDINGS ARTICLE | November 4, 1994

Optical-electric thin films produced by low voltage reactive plasma-assisted deposition

Proc. SPIE. 2253, Optical Interference Coatings

KEYWORDS: Thin films, Refractive index, Transparent conducting films, Ions, Silicon, Resistance, Oxygen, Transmittance, Thin film deposition, Plasma

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PROCEEDINGS ARTICLE | February 1, 1994

Development of an automatic spectrophotometer

Proc. SPIE. 1994, Advanced Optical Manufacturing and Testing IV

KEYWORDS: Thin films, Mirrors, Beam splitters, Sensors, Reflectivity, Zinc, Signal processing, Transmittance, Monochromators, Spectrophotometry

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PROCEEDINGS ARTICLE | November 25, 1993

Some oxide films deposited by reactive low-voltage plasma-assisted evaporation

Proc. SPIE. 2000, Current Developments in Optical Design and Optical Engineering III

KEYWORDS: Oxides, Thin films, Refractive index, Electron beams, Waveguides, Signal attenuation, Argon, Particles, Ions, Plasma

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PROCEEDINGS ARTICLE | November 25, 1993

Study of CdS/CdSe-LCLV for large screen displays

Proc. SPIE. 2000, Current Developments in Optical Design and Optical Engineering III

KEYWORDS: Switching, Photoresistors, Resistance, LCDs, Liquid crystals, Large screens, Light valves, Dielectric mirrors, Laminated object manufacturing, Light

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PROCEEDINGS ARTICLE | November 12, 1993

Antireflective coatings used for high-power CO2 laser

Proc. SPIE. 1997, High Heat Flux Engineering II

KEYWORDS: Antireflective coatings, High power lasers, Germanium, Ions, Gallium arsenide, Optical coatings, Laser damage threshold, Heat flux, Thermal engineering, Absorption

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PROCEEDINGS ARTICLE | November 1, 1993

Visible-to-infrared dynamic image-converting system with a liquid crystal light valve

Proc. SPIE. 2020, Infrared Technology XIX

KEYWORDS: Infrared imaging, Visible radiation, Doping, Polarizers, Liquid crystals, Infrared radiation, Modulation transfer functions, Infrared technology, Dynamical systems, Light valves

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PROCEEDINGS ARTICLE | December 1, 1991

Study of TEM micrographs of thin-film cross-section replica using spectral analysis

Proc. SPIE. 1554, Second International Conference on Photomechanics and Speckle Metrology

KEYWORDS: Signal to noise ratio, Thin films, Birefringence, Mechanics, Speckle, Calibration, Transmission electron microscopy, Solids, Transmittance, Photomicroscopy

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