Prof. Xiangchao Zhang Profile

Prof. Xiangchao Zhang

Professor at Fudan Univ

SPIE Involvement:

Conference Program Committee | Author

Area of Expertise:

optical measurement , interferometry , surface metrology , deflectometry , optical polishing

Websites:

Personal Website | Company Website

Publications (29)

Proceedings Article | 29 December 2023 Paper

Subaperture stitching measurement of large flat mirror in single point diamond turning

Chen Ting, Wei Wang, Xiangchao Zhang, Min Xu

Proceedings Volume 12976, 129760A (2023) https://doi.org/10.1117/12.3001331

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Proceedings Article | 18 December 2023 Paper

Positioning method for complex construction of workpieces based on deflection measurement technology

Ting Chen, Xiangchao Zhang, Wei Wang, Min Xu

Proceedings Volume 12968, 129680B (2023) https://doi.org/10.1117/12.2692355

KEYWORDS: Displays, Imaging systems, Cameras, Single point diamond turning, Optical components, Ray tracing, Optical surfaces, Mirror surfaces

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Proceedings Article | 19 December 2022 Presentation + Paper

Automatic robotic trajectory planning assisted by laser projection measurement

Lihong Zhou, Xiangchao Zhang, Qiangang Zhang, Shaoliang Li, Wanliang Zhao

Proceedings Volume 12319, 123190R (2022) https://doi.org/10.1117/12.2641751

KEYWORDS: Calibration, Cameras, Inspection, Digital holography, Defect inspection, Robotic systems

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Proceedings Article | 8 July 2022 Paper

Improvement of imaging quality of SPIDER by dictionary learning

Lei Wu, He Yuan, Xiangchao Zhang, Xinyue Liu, Haoran Meng

Proceedings Volume 12281, 1228102 (2022) https://doi.org/10.1117/12.2611729

KEYWORDS: Image restoration, Image processing, Fourier transforms, Image quality, Compressed sensing, Spectral resolution

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Proceedings Article | 19 November 2021 Paper

Extension of measurement area of stereo deflectometry

Yurong Ren, Xiangchao Zhang, Wei Wang, Shaoliang Li, Xinyue Liu, Haoran Meng

Proceedings Volume 12059, 120590M (2021) https://doi.org/10.1117/12.2611735

KEYWORDS: Deflectometry, Calibration, Optics manufacturing, Optical testing

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Proceedings Article | 10 October 2020 Presentation

Challenges in the In-situ Deflectometric Measurement of Optical Surfaces

Xiangchao Zhang, Zhenqi Niu, Junqiang Ye, Shaliang Li, Wanliang Zhao

Proceedings Volume 11552, 115520C (2020) https://doi.org/10.1117/12.2573714

KEYWORDS: Freeform optics, Optics manufacturing, Deflectometry, Fringe analysis, Reflectivity, Imaging systems, Optical imaging, Lenses, Interferometry, Phase retrieval

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Proceedings Article | 20 August 2020 Presentation + Paper

Aberration-induced errors in deflectometric measurement

Xiangchao Zhang, Zhenqi Niu, Junqiang Ye, Shaoliang Li, Wanliang Zhao

Proceedings Volume 11487, 114870K (2020) https://doi.org/10.1117/12.2565588

KEYWORDS: Cameras, Point spread functions, Deflectometry, Imaging systems, Deconvolution

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Proceedings Article | 12 March 2020 Paper

Fast deflectometric measurement of freeform surfaces for ultra-precision optical manufacturing

Xiangchao Zhang, Xueyang Xu, Zhenqi Niu, Rui Zhu, Min Xu

Proceedings Volume 11439, 114390H (2020) https://doi.org/10.1117/12.2542537

KEYWORDS: Optics manufacturing, Deflectometry, Fringe analysis, Phase shifts, Ray tracing, Optical testing, Freeform optics

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Proceedings Article | 16 December 2019 Paper

Phase unwrapping and range enlargement in phase-shifting dual-wavelength digital holography

Yu Cheng, Xiangchao Zhang, He Yuan, Wei Wang, Shaoliang Li, Siping Peng

Proceedings Volume 11189, 1118908 (2019) https://doi.org/10.1117/12.2537464

KEYWORDS: Digital holography, Interferometry, Optical testing, Phase measurement

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Proceedings Article | 19 November 2019 Paper

High-resolution reconstruction method of segmented planar imaging based on compressed sensing

Can Ding, Xiangchao Zhang, Xinyue Liu, Haoran Meng, Min Xu

Proceedings Volume 11186, 1118605 (2019) https://doi.org/10.1117/12.2537467

KEYWORDS: Electro optical imaging, Image segmentation, Sensors, Image sensors, Electro optical sensors, Electro optics, Reconnaissance, Image resolution, Image restoration, Imaging systems

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Proceedings Article | 13 November 2019 Paper

Compensation of nonlinear errors of phase-shifted fringes in phase measuring deflectometry

Zhenqi Niu, Xiangchao Zhang, Xueyang Xu, Yifan Zhu, Shaoliang Li, Siping Peng

Proceedings Volume 11343, 1134303 (2019) https://doi.org/10.1117/12.2541472

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Proceedings Article | 3 September 2019 Paper

Precise positioning in the in-situ deflectometric measurement of optical surfaces

Xiangchao Zhang, Xueyang Xu, Zhenqi Niu, Shaoliang Li, Siping Peng

Proceedings Volume 11102, 111020S (2019) https://doi.org/10.1117/12.2537330

KEYWORDS: Calibration, Deflectometry, Optical testing, Ray tracing, Manufacturing

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Proceedings Article | 13 May 2019 Paper

In-situ measurement of aspherics with sub-aperture deflectometry for precision optical manufacturing

Xiangchao Zhang, Xueyang Xu, Zhenqi Niu, Shaoliang Li, Wanliang Zhao

Proceedings Volume 10991, 1099105 (2019) https://doi.org/10.1117/12.2519828

KEYWORDS: Deflectometry, Aspheric lenses, Optics manufacturing, Calibration, Manufacturing, Optical testing

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Proceedings Article | 6 February 2019 Paper

Ultra-precision robotic sub-aperture polishing of curved mirrors

Songlin Wan, Xiangchao Zhang, Min Xu, Siping Peng, Jinsong Zhou

Proceedings Volume 10842, 1084214 (2019) https://doi.org/10.1117/12.2506361

KEYWORDS: Polishing, Robots, Optics manufacturing, Deconvolution

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Proceedings Article | 2 November 2018 Paper

Precision measurement of specular spherical surfaces based on monoscopic phase measuring deflectometry

Zhenqi Niu, Xiangchao Zhang, Xueyang Xu, Yifan Zhu, Shaoliang Li, Wanliang Zhao

Proceedings Volume 10819, 1081912 (2018) https://doi.org/10.1117/12.2500767

KEYWORDS: Deflectometry, Calibration, Precision measurement, Reconstruction algorithms

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SPIE Journal Paper | 28 March 2018

Accurate reconstruction in digital holographic microscopy using antialiasing shift-invariant contourlet transform

Xiaolei Zhang, Xiangchao Zhang, Min Xu, Hao Zhang, Xiangqian Jiang

OE, Vol. 57, Issue 03, 034108, (March 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.3.034108

KEYWORDS: Digital holography, Holography, Microscopy, Digital filtering, Optical filters, Speckle, Denoising, Optical engineering, Image filtering, Wavelets

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Proceedings Article | 20 February 2018 Paper

Accurate reconstruction in digital holographic microscopy using Fresnel dual-tree complex wavelet transform

Xiaolei Zhang, Xiangchao Zhang, He Yuan, Hao Zhang, Min Xu

Proceedings Volume 10697, 106974A (2018) https://doi.org/10.1117/12.2307285

KEYWORDS: Reconstruction algorithms, Wavelets, Digital holography, Speckle, Holography, Wavelet transforms, Interferometry, Holograms, Signal to noise ratio

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Proceedings Article | 24 October 2017 Paper

Optical design of fiber digital holographic interferometry system based on field-tracing

Yuan Wang, Xiangchao Zhang, Min Xu

Proceedings Volume 10458, 104581I (2017) https://doi.org/10.1117/12.2285527

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Proceedings Article | 24 October 2017 Paper

Sub-aperture stitching of aspheric surfaces in precision in-situ measurement

Jintao Pan, Xiangchao Zhang, Min Xu

Proceedings Volume 10458, 104581V (2017) https://doi.org/10.1117/12.2285834

KEYWORDS: Aspheric lenses, Precision measurement

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Proceedings Article | 24 October 2017 Paper

An accurate surface topography restoration algorithm for white light interferometry

He Yuan, Xiangchao Zhang, Min Xu

Proceedings Volume 10458, 104581O (2017) https://doi.org/10.1117/12.2285643

KEYWORDS: Optical interferometry, Optical testing, Fourier transforms

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Proceedings Article | 24 November 2016 Paper

Accurate reconstruction in measurement of microstructures using digital holographic microscopy

Xiaolei Zhang, Xiangchao Zhang, Hong Xiao, Min Xu

Proceedings Volume 10023, 100230O (2016) https://doi.org/10.1117/12.2245027

KEYWORDS: Digital holography, Holography, Microscopy, Speckle, Interferometry, Reconstruction algorithms, Holograms, Diffraction, Evolutionary algorithms, Denoising

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Proceedings Article | 19 October 2016 Paper

Dynamic three-dimensional shape measurement for specular freeform surfaces with the quaternary orthogonal grid fringes

Xueyang Xu, Xiangchao Zhang, Min Xu

Proceedings Volume 10155, 101553Y (2016) https://doi.org/10.1117/12.2247604

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Proceedings Article | 19 October 2016 Paper

Effect of feed velocity change on amount of material removal for free abrasive polishing with sub-aperture pad

Songlin Wan, Xiaoying He, Xiangchao Zhang, Min Xu

Proceedings Volume 10154, 1015401 (2016) https://doi.org/10.1117/12.2243430

KEYWORDS: Abrasives, Polishing

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Proceedings Article | 19 October 2016 Paper

Analysis of wavelength error in spectral phase shifting of digital holographic microscopy

Jie Wang, Xiangchao Zhang, Xiaolei Zhang, Hong Xiao, Min Xu

Proceedings Volume 10155, 101551B (2016) https://doi.org/10.1117/12.2246026

KEYWORDS: Digital holography, Error analysis, Phase shifting, Holographic interferometry, Holography, Microscopy, Interferometry, Near field diffraction

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Proceedings Article | 26 January 2016 Paper

Uncertainty estimation in form error evaluation of freeform surfaces for precision metrology

Xiangchao Zhang, Hong Xiao, Hao Zhang, Xiaoying He, Min Xu

Proceedings Volume 9903, 99031G (2016) https://doi.org/10.1117/12.2211994

KEYWORDS: Error analysis, Reliability, Metrology, Photovoltaics, Manufacturing, Shape analysis, Statistical analysis, Matrices, Numerical stability, Algorithm development

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Proceedings Article | 10 October 2013 Paper

Fast filtering of surface topography of micro-optics using non-local means

Xiangchao Zhang, Hao Zhang, Xiaoying He, Min Xu

Proceedings Volume 8916, 891620 (2013) https://doi.org/10.1117/12.2035838

KEYWORDS: Gaussian filters, Optics manufacturing, Micro optics, Optical components, Feature extraction, Image filtering, Optical engineering, Electronic filtering, Aspheric lenses, Digital filtering

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Proceedings Article | 10 October 2013 Paper

Uncertainty evaluation for a three dimensional rotary measuring system by Markov chain Monte Carlo method

Bo Chen, Xiangchao Zhang, Hao Zhang, Xiaoying He, Min Xu

Proceedings Volume 8916, 891621 (2013) https://doi.org/10.1117/12.2035834

KEYWORDS: Spindles, Monte Carlo methods, 3D metrology, Ions, Statistical analysis, Error analysis, Calibration, Precision measurement, Spherical lenses, Neodymium

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Proceedings Article | 16 October 2012 Paper

Study on the control of surface roughness in single point diamond turning

Honghuai Xu, Xiangchao Zhang, Min Xu, Xufeng Li

Proceedings Volume 8416, 84161D (2012) https://doi.org/10.1117/12.975196

KEYWORDS: Surface roughness, Single point diamond turning, Crystals, Diamond, Aluminum, Silicon, Metals, Spindles, Optics manufacturing, Anisotropy

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Proceedings Article | 16 October 2012 Paper

Analysis and optimization of tooth shapes of roll stampers for optical micro-structured array imprinting

Su Yang, Xiangchao Zhang, Min Xu

Proceedings Volume 8416, 84161J (2012) https://doi.org/10.1117/12.978244

KEYWORDS: Teeth, Optics manufacturing, Polymers, Shape analysis, Manufacturing, Optical arrays, Error analysis, Optical engineering, Mathematical modeling, Distortion

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