Prof. Junchang Li Profile

Prof. Junchang Li

at Kunming Univ of Science and Technology

SPIE Involvement:

Author

Publications (42)

Proceedings Article | 21 June 2019 Presentation + Paper

Presentation + Paper

A review on optical methods to assess dental behavior under stress

Pascal Picart, Michel Fages, Pierre Slangen, Haiting Xia, Silvio Montresor, Rongxin Guo, Junchang Li, O. Yusuf Solieman, Jean-Cédric Durand

Proceedings Volume 11060, 110600B (2019) https://doi.org/10.1117/12.2531773

KEYWORDS: Teeth, Digital holography, Ceramics, 3D metrology, Holography, Fringe analysis, Deflectometry, Speckle interferometry, Interferometry, Digital photography

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Proceedings Article | 7 September 2018 Paper

Paper

Analysis of computerized aided designed and manufactured dental occlusal ceramics with multi-wavelength digital holography

H. Xia, P. Picart, S. Montresor, R. Guo, J. C. Li, O. Solieman, J. C. Durand, M. Fages

Proceedings Volume 10834, 108341H (2018) https://doi.org/10.1117/12.2319231

KEYWORDS: Teeth, Digital holography, Ceramics, Holograms, Holography, Sensors, Manufacturing, Doppler effect, Computer aided design, 3D metrology

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Proceedings Article | 24 August 2015 Paper

Paper

A simple and efficient algorithm to reconstruct digital color holograms

Junchang Li, Qinghe Song, Zujie Peng, Pascal Picart

Proceedings Volume 9660, 96601Y (2015) https://doi.org/10.1117/12.2196194

KEYWORDS: Digital holography, 3D image reconstruction, Holograms, Reconstruction algorithms, Image filtering, Holography, Diffraction, Sensors, Digital imaging, Convolution

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SPIE Journal Paper | 27 July 2015

Image formation of holographic three-dimensional display based on spatial light modulator in paraxial optical systems

Junchang Li, Yu-Chih Lin, Han-Yen Tu, Jinbin Gui, Chongguang Li, Yuli Lou, Chau-Jern Cheng

JM3, Vol. 14, Issue 04, 041303, (July 2015) https://doi.org/10.1117/12.10.1117/1.JMM.14.4.041303

KEYWORDS: Holography, 3D image reconstruction, 3D displays, Spatial light modulators, Diffraction, Holograms, 3D image processing, Image acquisition, Imaging systems, Image quality

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Proceedings Article | 17 November 2010 Paper

Paper

Eliminating zero-order diffraction in the digital holography wavefront reconstruction with adjustable magnification

Junchang Li, Qinghe Song, Patrice Tankam, Pascal Picart

Proceedings Volume 7848, 78481Y (2010) https://doi.org/10.1117/12.868875

KEYWORDS: 3D image reconstruction, Diffraction, Digital holography, Holograms, Charge-coupled devices, Image filtering, Optical filters, Wavefront reconstruction, Digital imaging, Fourier transforms

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Proceedings Article | 17 November 2010 Paper

Paper

Application of the angular spectrum diffraction transform in the design of binary optical element

Yanmei Wu, Junchang Li

Proceedings Volume 7848, 78481Z (2010) https://doi.org/10.1117/12.868904

KEYWORDS: Diffraction, Optical design, Optical components, Chemical elements, Binary data, Near field diffraction, Fourier transforms, Beam propagation method, Wave propagation, Laser processing

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Proceedings Article | 17 November 2010 Paper

Paper

Study of color digital holography of large size object with zero-order elimination

Jinbin Gui, Junchang Li, Yongan Zhang, Yuli Lou, Zebin Fan

Proceedings Volume 7848, 78481K (2010) https://doi.org/10.1117/12.870065

KEYWORDS: 3D image reconstruction, Holograms, Digital holography, Charge-coupled devices, Image quality, Digital imaging, Holography, Digital recording, Spherical lenses, Reconstruction algorithms

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Proceedings Article | 17 November 2010 Paper

Paper

Optimization research for digital hologram recording system of big objects

Yuli Lou, Junchang Li, Yongan Zhang, Jinbin Gui, Chongguang Li, Zebin Fan

Proceedings Volume 7848, 78481L (2010) https://doi.org/10.1117/12.870123

KEYWORDS: Digital holography, Holograms, Charge-coupled devices, Diffraction, Holography, Digital recording, 3D image reconstruction, Digital imaging, Near field diffraction, Fourier transforms

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Proceedings Article | 17 November 2010 Paper

Paper

Research on the recording hologram with Foveon in digital color holography

Qinghe Song, Yanmei Wu, Patrice Tankam, Pascal Picart, Junchang Li

Proceedings Volume 7848, 784819 (2010) https://doi.org/10.1117/12.868636

KEYWORDS: 3D image reconstruction, Digital holography, Holograms, Holography, Charge-coupled devices, Digital recording, Foveon X3 sensor, Image processing, Image sensors, Image quality

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Proceedings Article | 17 November 2010 Paper

Paper

Approximate calculation of pulse laser heat treatment

Yanmei Wu, Junchang Li, Yunchang Fu

Proceedings Volume 7843, 784323 (2010) https://doi.org/10.1117/12.871376

KEYWORDS: Pulsed laser operation, Heat treatments, Laser applications, Absorption, Gaussian beams, Thermal effects, Diffusion, Carbon dioxide lasers, Optical simulations, Temperature metrology

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Proceedings Article | 14 September 2010 Paper

Paper

Digital color holography using a stack of photodiodes

P. Tankam, P. Picart, D. Mounier, J. Desse, J. Li

Proceedings Volume 7387, 73870A (2010) https://doi.org/10.1117/12.870747

KEYWORDS: Digital holography, Holograms, Sensors, Holography, Photodiodes, 3D image reconstruction, Digital recording, Reconstruction algorithms, Photons, Convolution

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Proceedings Article | 14 September 2010 Paper

Paper

Speckle amplitude and phase recovering with bandwidth-extended digital holographic algorithms

P. Picart, P. Tankam, Z. Peng, J. Li

Proceedings Volume 7387, 738707 (2010) https://doi.org/10.1117/12.870570

KEYWORDS: Reconstruction algorithms, Digital holography, Convolution, Holography, Holograms, Spherical lenses, Sensors, Speckle, Fourier transforms, Spatial frequencies

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Proceedings Article | 17 January 2008 Paper

Paper

Comparative study of two measurements of micro-deformation field with optical method

Qinghe Song, Yanmei Wu, Jie Zhu, Junchang Li

Proceedings Volume 6723, 67233J (2008) https://doi.org/10.1117/12.783509

KEYWORDS: Digital holography, Shearography, Holograms, Interferometry, Charge-coupled devices, Optical testing, Speckle, Digital image processing, Image processing, Speckle interferometry

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Proceedings Article | 17 January 2008 Paper

Paper

Measurement of out-of-plane displacement with a digital real-time holography

R. X. Guo, Z. B. Fan, H. Y. Qin, X. Xu, J. C. Li

Proceedings Volume 6723, 67230V (2008) https://doi.org/10.1117/12.783062

KEYWORDS: Digital holography, Holography, Holograms, Charge-coupled devices, CCD cameras, Data processing, Optical design, 3D image reconstruction, Diffraction, Cameras

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Proceedings Article | 4 January 2008 Paper

Paper

A sample test on the tilt angle of object light illumination in digital holographic 3D surface shape detection

Zu-jie Peng, Qing-he Song, Jun-chang Li

Proceedings Volume 6832, 683212 (2008) https://doi.org/10.1117/12.756096

KEYWORDS: Digital holography, 3D metrology, Holography, Charge-coupled devices, Lithium, Mirrors, Collimation, Digital recording, Diffraction, Laser optics

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Proceedings Article | 4 January 2008 Paper

Paper

Study on the digital phase hologram and its wavefront reconstruction

Junchang Li, Zebin Fan, Zujie Peng

Proceedings Volume 6832, 683209 (2008) https://doi.org/10.1117/12.756159

KEYWORDS: Digital holography, Holograms, Diffraction, Charge-coupled devices, 3D image reconstruction, Holography, Wavefront reconstruction, Digital imaging, Digital recording, Optical simulations

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Proceedings Article | 4 January 2008 Paper

Paper

Study on encoding technique of phase-shifting unit based on LC-SLM

Yanmei Wu, Qinghe Song, Junchang Li, Jinbin Gui

Proceedings Volume 6832, 68320T (2008) https://doi.org/10.1117/12.755335

KEYWORDS: Computer programming, Phase shifts, Diffraction, Holography, Digital holography, Diffraction gratings, Holograms, Interferometry, Computer generated holography, Holographic interferometry

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Proceedings Article | 27 November 2007 Paper

Paper

Digital holography research on paraxial optical system

Junchang Li, Yanmei Wu, Rongxin Guo, Yunchang Fu

Proceedings Volume 6723, 67234V (2007) https://doi.org/10.1117/12.783683

KEYWORDS: Charge-coupled devices, Digital holography, 3D image reconstruction, Holography, Diffraction, Image restoration, CCD image sensors, Sensors, Image quality, Holograms

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Proceedings Article | 9 June 2006 Paper

Paper

Optimization study on optical system to homogenize powerful laser beam

Chongguang Li, Zhengrong Wang, Junchang Li

Proceedings Volume 6149, 614922 (2006) https://doi.org/10.1117/12.674265

KEYWORDS: Waveguides, Optical components, Gas lasers, Mathematical modeling, Carbon monoxide, Image segmentation, Homogenization, Mirrors, Computer simulations, Lithium

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Proceedings Article | 9 June 2006 Paper

Paper

Temperature field simulation of thin plate heated by CO2 laser beam

Chongguang Li, Junchang Li, Zebin Fan

Proceedings Volume 6149, 614923 (2006) https://doi.org/10.1117/12.674266

KEYWORDS: Optical simulations, Carbon monoxide, Gas lasers, Computer simulations, Mathematical modeling, Temperature metrology, Diffusion, Software development, Opacity, Surface finishing

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SPIE Journal Paper | 1 March 2006

Simulation of mode fields in a seven-folded resonator by the transfer matrix method

Dongxiong Ling, Junchang Li, Yihong Guan

OE, Vol. 45, Issue 03, 034201, (March 2006) https://doi.org/10.1117/12.10.1117/1.2180259

KEYWORDS: Resonators, Diffraction, Transmission electron microscopy, Interfaces, Lithium, Gas lasers, Matrices, Optical simulations, Laser resonators, Optical engineering

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Proceedings Article | 23 February 2006 Paper

Paper

Theoretical analysis and experimental study on processing electronic speckle pattern using once phase-shifting method

Junchang Li, Qinghe Song, Jie Zhu, Chongguang Li, Zebin Fan

Proceedings Volume 6150, 61502P (2006) https://doi.org/10.1117/12.676939

KEYWORDS: Phase shifting, Image processing, Image quality, Shearography, Phase shifts, Charge-coupled devices, Polarization, Speckle, Computer simulations, Speckle pattern

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Proceedings Article | 26 January 2005 Paper

Paper

The three-dimensions reconstruction of laser heat treatment temperature field

Ma Kun, Funsheng Luo, Yunchang Fu, Dominique Grevey, Pierre Sallamand, A. Vannes, Guangcheng Cai, Junchang Li

Proceedings Volume 5627, (2005) https://doi.org/10.1117/12.572508

KEYWORDS: Heat treatments, Laser processing, 3D modeling, Laser therapeutics, Numerical simulations, Laser energy, Analytical research, Optical simulations, Data processing, Thermal effects

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Proceedings Article | 13 January 2005 Paper

Paper

Finite element modeling of transient three-dimensional temperature field of workpiece with a sharp board in laser heat treatment

Yunchang Fu, Junchang Li, Dongxiong Ling, Kun Ma, Martin Bruno

Proceedings Volume 5629, (2005) https://doi.org/10.1117/12.575385

KEYWORDS: Finite element methods, Heat treatments, Laser processing, 3D modeling, Computer simulations, Materials processing, Laser applications, Temperature metrology, Optical simulations, Lithium

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Proceedings Article | 29 June 2004 Paper

Paper

A fast phase-identification method for real-time holographic interferometry

Junchang Li, Bingheng Xiong

Proceedings Volume 5290, (2004) https://doi.org/10.1117/12.532543

KEYWORDS: Holograms, Holographic interferometry, Charge-coupled devices, Diffraction, Phase interferometry, Holography, Refractive index, Phase shifts, Digital holography, Image quality

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Proceedings Article | 29 June 2004 Paper

Paper

Quantitative relation between caustic phenomena and holographic fringes

Bingheng Xiong, Junchang Li, Zhengrong Wang, Zhaoyong Xu, Shunyun Chen, Runhai Yang, Jinming Zhao

Proceedings Volume 5290, (2004) https://doi.org/10.1117/12.544530

KEYWORDS: Holographic interferometry, Holography, Mechanics, Interferometry, Collimators, Imaging systems, Liquids, Lithium, Experimental mechanics, Earthquakes

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SPIE Journal Paper | 1 December 2003

Rapid calculation research of temperature fields in laser heat treatments

Junchang Li, Jacques Merlin, Yingxiong Qin, Qiguang Zheng, Yunchang Fu

OE, Vol. 42, Issue 12, (December 2003) https://doi.org/10.1117/12.10.1117/1.1623763

KEYWORDS: Heat treatments, Optical simulations, Laser-matter interactions, Temperature metrology, Diffraction, Laser processing, Laser applications, Laser therapeutics, Laser energy, Optical engineering

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Proceedings Article | 4 June 2003 Paper

Paper

Phase identification and digital simulation study of a real-time hologram

Junchang Li, Bingheng Xiong

Proceedings Volume 5005, (2003) https://doi.org/10.1117/12.473800

KEYWORDS: Holograms, Wave plates, Holographic interferometry, Diffraction, Holography, Computer simulations, Optical simulations, Charge-coupled devices, Digital holography, Digital image processing

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Proceedings Article | 4 June 2003 Paper

Paper

Caustic phenomena in holographic interferometry

Bingheng Xiong, Junchang Li, Liyun Zhong, Xiaoxu Lu, Zhengrong Wang, Zhaoyong Xu, Runhai Yang, Jinming Zhao, Shunyun Chen

Proceedings Volume 5005, (2003) https://doi.org/10.1117/12.488217

KEYWORDS: Holographic interferometry, Holography, Mechanics, Experimental mechanics, Earthquakes, Collimators, Optical components, Light sources, Chromium, Holography applications

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Proceedings Article | 4 June 2003 Paper

Paper

Simulated study on the measurement of refractive index variation of a transparent object using holographic CT method

Junchang Li, Bingheng Xiong, Liyun Zhong, Xiaoxu Lu, Yongan Zhang

Proceedings Volume 5005, (2003) https://doi.org/10.1117/12.473799

KEYWORDS: Refractive index, Holography, Computer simulations, Lamps, 3D metrology, Optical simulations, Fourier transforms, Light sources and illumination, Holograms, Diffraction

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Proceedings Article | 12 September 2002 Paper

Paper

Finite-element modeling of laser remelting process

Yunchang Fu, Dongxiong Ling, Bruno Martin, Junchang Li

Proceedings Volume 4915, (2002) https://doi.org/10.1117/12.482911

KEYWORDS: Laser processing, Convection, Finite element methods, Materials processing, Solids, Temperature metrology, Laser development, Liquids, Metals, Laser applications

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Proceedings Article | 12 September 2002 Paper

Paper

FFT calculation for Fresnel diffraction and energy conservation criterion of sampling quality

Junchang Li, Zebin Fan, Yunchang Fu

Proceedings Volume 4915, (2002) https://doi.org/10.1117/12.482883

KEYWORDS: Diffraction, Near field diffraction, Convolution, Fourier transforms, Light wave propagation, Numerical analysis, Physics, Mathematics, Linear filtering, Metals

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Proceedings Article | 12 September 2002 Paper

Paper

Approximated calculation of Fresnel function and Collins integral

Junchang Li, LiXia Yuan

Proceedings Volume 4915, (2002) https://doi.org/10.1117/12.482861

KEYWORDS: Diffraction, Superposition, Light sources, Optical systems, Lithium, Numerical analysis, Error analysis, Laser optics, Gaussian beams, Optical spheres

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Proceedings Article | 5 September 2002 Paper

Paper

Spatial tracing simulation of laser field in the folded resonator with circular diaphragms

Dongxiong Ling, Junchang Li, Desheng Xu, Yunchang Fu

Proceedings Volume 4914, (2002) https://doi.org/10.1117/12.481832

KEYWORDS: Resonators, Laser resonators, Reflectors, Output couplers, Optical simulations, Laser applications, Diffraction, Fourier transforms, Computer simulations, High power lasers

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Proceedings Article | 3 June 2002 Paper

Paper

Inverse calculation of diffraction and its application to the real-time holographic interferometry

Junchang Li, Bingheng Xiong, Liyun Zhong, Xiaoxu Lu

Proceedings Volume 4659, (2002) https://doi.org/10.1117/12.469280

KEYWORDS: Diffraction, Holographic interferometry, Liquids, Computer simulations, Holograms, Optical simulations, Holography, Beam splitters, Lithium, Fourier transforms

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Proceedings Article | 3 June 2002 Paper

Paper

Some novel methods in real-time holographic interferometry

Bingheng Xiong, Zhengrong Wang, Junchang Li, Liyun Zhong, Xiaoxu Lu

Proceedings Volume 4659, (2002) https://doi.org/10.1117/12.469252

KEYWORDS: Holograms, Phase modulation, Holographic interferometry, Collimation, Holography, Diffraction, Collimators, Phase shift keying, Tantalum, Optical testing

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Proceedings Article | 8 September 1999 Paper

Paper

Derivation of the nonlinear heating conduction equation and calculation of the temperature field heated by laser

Yiying Zhou, Junchang Li, Ling-Yun Zhou

Proceedings Volume 3862, (1999) https://doi.org/10.1117/12.361202

KEYWORDS: Phonons, Solids, Quantum physics, Laser applications, Crystals, Particles, Chaos, Heat treatments, Lithium, Physics

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Proceedings Article | 8 September 1999 Paper

Paper

Speeds of thermal diffusion

Junchang Li, Yunchang Fu

Proceedings Volume 3862, (1999) https://doi.org/10.1117/12.361113

KEYWORDS: Heat treatments, Diffusion, Optical spheres, Lithium, Laser applications, Testing and analysis, Superposition, Surface finishing, Iron, Laser energy

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Proceedings Article | 15 August 1998 Paper

Paper

Semianalytic calculation of transient temperature field of laser heat treatment on workpiece of non-cross-cut boundary

Junchang Li, Jingbo Chen, Zebin Fan, Qinghua Chen, Xingyi Li

Proceedings Volume 3550, (1998) https://doi.org/10.1117/12.317894

KEYWORDS: Heat treatments, Interfaces, Lithium, Laser therapeutics, Error analysis, Absorption, Laser energy, Reliability, Laser applications, Fluctuations and noise

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Proceedings Article | 15 August 1998 Paper

Paper

Processing time and the temperature field of laser quenching on material surfaces

Junchang Li, Xingyi Li, Zebin Fan, Qinghua Chen, Jingbo Chen

Proceedings Volume 3550, (1998) https://doi.org/10.1117/12.317892

KEYWORDS: Optical spheres, Diffusion, Laser processing, Lithium, Heat treatments, Analytical research, Gaussian beams, Bismuth, Laser scanners, Image processing

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Proceedings Article | 30 September 1996 Paper

Paper

Theoretical study of laser phase transformation hardening technology

Enyang Ren, Tie-Li Chen, Yu Ling, Junchang Li

Proceedings Volume 2888, (1996) https://doi.org/10.1117/12.253140

KEYWORDS: Laser applications, Laser therapeutics, Lithium, Relativity, Heat treatments, Diffusion, Absorption, Differential equations, Light sources, Carbon dioxide lasers

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Proceedings Article | 30 September 1996 Paper

Paper

Study on laser surface transformation hardening technological control of cool rolling ball guide screw

Enyang Ren, Tie-Li Chen, Yu Ling, Junchang Li

Proceedings Volume 2888, (1996) https://doi.org/10.1117/12.253145

KEYWORDS: Heat treatments, Laser applications, Carbon dioxide lasers, Lithium, Laser therapeutics, Optoelectronics, Manufacturing, Resistance, Fourier transforms, Laser scanners

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Showing 5 of 42 publications

Conference Committee Involvement (10)

Holography, Diffractive Optics, and Applications IX

21 October 2019 | Hangzhou, China

Holography, Diffractive Optics, and Applications VIII

11 October 2018 | Beijing, China

Holography, Diffractive Optics, and Applications VII

12 October 2016 | Beijing, China

Holography, Diffractive Optics, and Applications VI

9 October 2014 | Beijing, China

Holography, Diffractive Optics, and Applications V

5 November 2012 | Beijing, China

Showing 5 of 10 Conference Committees

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