Dr. Wenchuan Zhao Profile

Dr. Wenchuan Zhao

Student at Institute of Optics and Electronics CAS

SPIE Involvement:

Author

Proceedings Article | 4 December 2020 Paper

Wavefront measurement of membrane diffractive lens using line structured light deflectometry

Zhenyi Chen, Wenchuan Zhao, Qican Zhang

Proceedings Volume 11617, 116172W (2020) https://doi.org/10.1117/12.2585388

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SPIE Journal Paper | 5 June 2019

Extracting the zero-gravity surface figure of a mirror with data from three user-defined orientations

Jia Zhai, Fengtao Yan, Xiaoli Ren, Muxin Yu, Wenchuan Zhao, Haitao Liu

JATIS, Vol. 5, Issue 03, 034001, (June 2019) https://doi.org/10.1117/12.10.1117/1.JATIS.5.3.034001

KEYWORDS: Mirrors, Superposition, Finite element methods, Data modeling, Mathematical modeling, Space mirrors, Numerical analysis, Optical testing, Astronomical imaging, Optical engineering

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Proceedings Article | 30 January 2019 Paper

An aberration-eliminating processing technology for optical window working under differential pressure condition

Jia Zhai, Xiaoli Ren, Jiao Yang , Dingyu Feng, Wenchuan Zhao , Muxin Yu

Proceedings Volume 10841, 108410N (2019) https://doi.org/10.1117/12.2504913

KEYWORDS: Glasses, Finite element methods, Atmospheric particles, Manufacturing

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Proceedings Article | 14 September 2018 Presentation + Paper

Model-free optical surface reconstruction from deflectometry data

L. Graves, H. Choi, W. Zhao, C. J. Oh, P. Su, T. Su, D. W. Kim

Proceedings Volume 10742, 107420Y (2018) https://doi.org/10.1117/12.2320745

KEYWORDS: Deflectometry, Cameras, Data modeling, Interferometry, Freeform optics, Monochromatic aberrations, Systems modeling, Metrology, Computer generated holography, Ray tracing

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Proceedings Article | 22 August 2017 Presentation + Paper

Simultaneous angular alignment of segmented mirrors using sinusoidal pattern analysis

Heejoo Choi, Isaac Trumper, Matthew Dubin, Wenchuan Zhao, Dae Wook Kim

Proceedings Volume 10377, 103770G (2017) https://doi.org/10.1117/12.2275197

KEYWORDS: Mirrors, Segmented mirrors, Optical alignment, Telescopes, Reflection

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Proceedings Article | 15 June 2017 Paper

Dynamic metrology and data processing for precision freeform optics fabrication and testing

Maham Aftab, Isaac Trumper, Lei Huang, Heejoo Choi, Wenchuan Zhao, Logan Graves, Chang Jin Oh, Dae Wook Kim

Proceedings Volume 10326, 103260H (2017) https://doi.org/10.1117/12.2272353

KEYWORDS: Freeform optics, Deformable mirrors, Cameras, Interferometers, Metrology, Data processing, Deflectometry, Optical testing, Interferometry, Phase shifting, Optical components, Precision optics, Optical fabrication, Optical metrology

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Proceedings Article | 27 September 2016 Paper

Iterative surface construction for blind deflectometry

Wenchuan Zhao, Logan Graves, Run Huang, Weihong Song, DaeWook Kim

Proceedings Volume 9684, 96843X (2016) https://doi.org/10.1117/12.2243264

KEYWORDS: Deflectometry, Calibration, Data processing, Mirrors, Freeform optics, Cameras, Optical testing, Interferometry, Ray tracing, Reconstruction algorithms

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Proceedings Article | 18 September 2014 Paper

The optical surface defect inspection by fringe reflection

Wenchuan Zhao, Lulu Li

Proceedings Volume 9282, 928210 (2014) https://doi.org/10.1117/12.2071177

KEYWORDS: LCDs, Reflection, CCD cameras, Mirrors, Phase shift keying, Fringe analysis, Defect inspection, Phase shifts, Optical testing, Amplitude modulation

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Proceedings Article | 18 September 2014 Paper

Mirror pendulum pose measurement by camera calibration

Lulu Li, Wenchuan Zhao, Fan Wu, Yong Liu

Proceedings Volume 9282, 92820F (2014) https://doi.org/10.1117/12.2070621

KEYWORDS: Mirrors, Cameras, Calibration, LCDs, CCD cameras, Fringe analysis, Imaging systems, Phase shifting, Optical testing, Phase shifts

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SPIE Journal Paper | 20 January 2014

Experimental analysis and improvement on camera calibration pattern

Lulu Li, Wenchuan Zhao, Fan Wu, Yong Liu, Wei Gu

OE, Vol. 53, Issue 01, 013104, (January 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.1.013104

KEYWORDS: Calibration, Cameras, Fourier transforms, Picosecond phenomena, Fringe analysis, Computer simulations, Optical engineering, Phase shifting, LCDs, Linear filtering

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Proceedings Article | 13 May 2013 Paper

Comparative analysis of absolute methods to test rotationally asymmetric surface deviation

Weihong Song, Xi Hou, Fan Wu, Wenchuan Zhao

Proceedings Volume 8789, 87890Z (2013) https://doi.org/10.1117/12.2018219

KEYWORDS: Spatial frequencies, Zernike polynomials, Environmental sensing, Time metrology, Interferometry, Metrology, Fluctuations and noise, Electronics, Optical metrology, Silver

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Proceedings Article | 16 October 2012 Paper

Reconstructing in laser wavelength scanning interference test of aspheric surface

Lulu Li, Wenchuan Zhao, Xianyu Su, Fan Wu, Bin Fan

Proceedings Volume 8416, 841625 (2012) https://doi.org/10.1117/12.2009280

KEYWORDS: Aspheric lenses, Mirrors, Aspheric optics, Optical spheres, Wavefronts, Zernike polynomials, Reconstruction algorithms, Optical testing, Interferometers, Electronics

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SPIE Journal Paper | 1 October 2009

Testing an aspheric mirror based on phase measuring deflectometry

Wenchuan Zhao, Xianyu Su, Yuankun Liu, Qican Zhang

OE, Vol. 48, Issue 10, 103603, (October 2009) https://doi.org/10.1117/12.10.1117/1.3250241

KEYWORDS: Mirrors, LCDs, Fringe analysis, Deflectometry, Cameras, Aspheric optics, Phase shifts, Calibration, Optical engineering, Aspheric lenses

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Showing 5 of 13 publications

Conference Committee Involvement (2)

Optical Manufacturing and Testing XIV

22 August 2022 | San Diego, California, United States

Optical Manufacturing and Testing XIII

24 August 2020 | Online Only, California, United States

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