Prof. Changhe Zhou Profile

Prof. Changhe Zhou

Research Professor at Jinan Univ

SPIE Involvement:

Conference Chair | Editor | Author

Publications (141)

Proceedings Article | 27 November 2023 Paper

Phase calculation of diffraction grating based on RCWA

Shihao Kang, Changhe Zhou, Wei Jia

Proceedings Volume 12768, 127681T (2023) https://doi.org/10.1117/12.2687137

KEYWORDS: Diffraction gratings, Diffraction, Optical gratings, Reflection, Parallel computing, Metals, Glasses, Dielectrics, Defect detection

Read Abstract +

Proceedings Article | 27 November 2023 Paper

Picometer optical measurement technology based on the concept of picometer comb

Mingle Qiao, Changhe Zhou, Yongfang Xie

Proceedings Volume 12768, 127681Q (2023) https://doi.org/10.1117/12.2688936

KEYWORDS: Optical testing, Optical gratings, Laser irradiation, Laser beam propagation, Interferometers, Holography, Holographic interferometers, Angle modulation

Read Abstract +

Proceedings Article | 27 November 2023 Paper

Polarization-independent high-efficiency two-dimensional metal-dielectric grating by frustum array

Jin Wang, Yi-han Wang, Yu-da Chen, Chang-he Zhou, Wei Jia

Proceedings Volume 12768, 127681U (2023) https://doi.org/10.1117/12.2687064

KEYWORDS: Diffraction gratings, Diffraction, Polarization gratings, Silicon, Oxides, Optical gratings, Tolerancing, Polarization, Dielectric polarization, Etching

Read Abstract +

Proceedings Article | 27 November 2023 Paper

Research on automatic detection method for surface defects of large-size gratings

Shanwen Zhang, Chong Lin, Changhe Zhou, Jin Wang, Wei Jia, Mengqing Xu, Xingxue Li

Proceedings Volume 12768, 127681V (2023) https://doi.org/10.1117/12.2687124

KEYWORDS: Diffraction gratings, Defect detection, Target detection, Target acquisition, Imaging systems, Illumination software, Manufacturing, Light sources and illumination, Image restoration, Image acquisition

Read Abstract +

Proceedings Article | 27 November 2023 Paper

Matrix convolutional operation architecture based on optical Fourier transform

Ning Shen, Changhe Zhou

Proceedings Volume 12768, 127680Z (2023) https://doi.org/10.1117/12.2687139

KEYWORDS: Matrices, Fourier transforms, Convolution, Matrix multiplication, Optical matrix switches, Spatial light modulators, Signal intensity, Power consumption, Optical computing, Lens arrays

Read Abstract +

Proceedings Article | 27 November 2023 Paper

Polarization-independent double-layer transmission two-dimensional slanted grating under normal incidence

Wei Jia, Yuda Chen, Yihan Wang, Changhe Zhou, Xingxue Li, Jin Wang

Proceedings Volume 12768, 127681S (2023) https://doi.org/10.1117/12.2687062

KEYWORDS: Diffraction gratings, Diffraction, Polarization, Optical gratings, Polarization gratings, Tolerancing, Incident light, Mathematical optimization, Design and modelling, Algorithms

Read Abstract +

Proceedings Article | 19 December 2022 Paper

Detection and evaluation of surface defect for large-size grating

Mengqing Xu, Yihan Wang, Jin Wang, Xingxue Li, Changhe Zhou, Bin Zhou, Yuda Chen

Proceedings Volume 12318, 123180X (2022) https://doi.org/10.1117/12.2642142

KEYWORDS: Diffraction gratings, Defect detection, Optical inspection

Read Abstract +

Proceedings Article | 19 December 2022 Paper

Polarization-independent high diffraction efficiency two-dimensional grating based on frustum array

Yi-han Wang, Yu-da Chen, Wei Jia, Jin Wang, Chang-he Zhou

Proceedings Volume 12318, 123180L (2022) https://doi.org/10.1117/12.2642205

KEYWORDS: Diffraction gratings, Diffraction, Optical gratings, Lithography, Polarization gratings, Interferometers, Manufacturing, Sensors, Semiconducting wafers, Dielectric polarization

Read Abstract +

Proceedings Article | 19 December 2022 Presentation + Paper

2x2 beam splitter based on two-dimensional grating

Bin Zhou, Wei Jia, Changhe Zhou

Proceedings Volume 12318, 123180J (2022) https://doi.org/10.1117/12.2641124

KEYWORDS: Diffraction gratings, Diffraction, Beam splitters, Silver, Polarization, Holography, Dielectric polarization, Optical design, Data communications, Reflectivity

Read Abstract +

Proceedings Article | 19 December 2022 Paper

A new high-precision device for one-dimensional grating period measurement

Changhe Zhou, Yuda Chen, Yihan Wang, Xingxue Li, Wei Jia, Jin Wang

Proceedings Volume 12318, 1231810 (2022) https://doi.org/10.1117/12.2642155

KEYWORDS: Interferometers, Optical gratings, Prisms, Diffraction, Doppler effect, Reflection gratings

Read Abstract +

Proceedings Article | 26 November 2021 Paper

High-precision optical convolution computing based on arbitrary-base hybrid analog-digital coding

Guoqing Ma, Changhe Zhou, JunJie Yu

Proceedings Volume 11898, 118981C (2021) https://doi.org/10.1117/12.2602526

KEYWORDS: Convolution, Analog electronics, Binary data, Optical computing, Computer programming, Signal processing, Optical signal processing, Computing systems, Diffractive optical elements

Read Abstract +

Proceedings Article | 9 October 2021 Presentation + Paper

Roadmap of optical computing

Changhe Zhou, Junjie Yu, Guoqing Ma, Guowei Li

Proceedings Volume 11898, 118981B (2021) https://doi.org/10.1117/12.2601724

KEYWORDS: Optical computing, Convolution, Neural networks, Matrices, Spatial light modulators, Multilayers, Logic, Integrated optics, Optical design, Light sources

Read Abstract +

SPIE Journal Paper | 10 April 2021

Passively Q-switched radially polarized LG01 mode laser using circular Dammann grating

Linghao Zhang, Kegui Xia, Junjie Yu, Jingpei Hu, Changhe Zhou, Jianlang Li, Aijun Zeng, Huijie Huang

OE, Vol. 60, Issue 04, 046101, (April 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.4.046101

KEYWORDS: Crystals, YAG lasers, Q switched lasers, Polarization, Nd:YAG lasers, Diffraction, Chromium, Optical engineering, Q switching, Laser crystals

Read Abstract +

Proceedings Article | 10 October 2020 Presentation + Paper

Picomicroscopy

Changhe Zhou

Proceedings Volume 11551, 115510I (2020) https://doi.org/10.1117/12.2576103

Read Abstract +

Proceedings Article | 18 November 2019 Paper

Highly efficient broadband optimization design of gold-plated reflective grating

Ge Jin, Changhe Zhou, Zonghao Ye, Junjie Li, Jin Wang

Proceedings Volume 11188, 1118810 (2019) https://doi.org/10.1117/12.2536472

KEYWORDS: Diffraction gratings, Diffraction, Optical design, Tolerancing, Reflectivity, Femtosecond phenomena, Magnetism, Ultrafast phenomena, Pulsed laser operation, Algorithms

Read Abstract +

Proceedings Article | 18 November 2019 Paper

The intraocular lens based on Dammann zone plate

Junjie Li, Changhe Zhou, Jin Wang

Proceedings Volume 11188, 111880W (2019) https://doi.org/10.1117/12.2536484

KEYWORDS: Zone plates, Optical components, Retina, Eye, Visualization, Intraocular lenses, Phase modulation, Surgery, Lens design, Patents

Read Abstract +

Proceedings Article | 18 November 2019 Paper

Three-dimensional morphology measurement of microgrooves based on Dammann zone plate

Zonghao Ye, Changhe Zhou, Ge Jin, Jin Wang, Junjie Li

Proceedings Volume 11188, 111880L (2019) https://doi.org/10.1117/12.2536473

KEYWORDS: Zone plates, Measurement devices, Objectives, 3D metrology, Binary data, Charge-coupled devices, Light sources, Imaging systems, Light emitting diodes, Optics manufacturing

Read Abstract +

Proceedings Article | 18 November 2019 Paper

Fast 3D reconstruction method based on 2D gold matrix

Chaofeng Miao, Zhengkun Yin, Changhe Zhou, Chao Li, Jing Ye, Junjie Yu, Yunkai Lu

Proceedings Volume 11188, 111880G (2019) https://doi.org/10.1117/12.2537279

KEYWORDS: 3D modeling, Gold, Structured light, Biomedical optics, Facial recognition systems, 3D metrology, Optical testing, Machine vision, Virtual reality, Aerospace engineering

Read Abstract +

Proceedings Article | 18 November 2019 Paper

Design of guided mode resonant gratings by modal method

Changcheng Xiang, Changhe Zhou

Proceedings Volume 11188, 1118811 (2019) https://doi.org/10.1117/12.2537740

KEYWORDS: Diffraction gratings, Optical design, Diffraction, Waveguides, Thin films

Read Abstract +

Proceedings Article | 18 November 2019 Paper

Three-dimensional measurement of rotating combinative Dammann gratings

Dong Zhao, Wei Jia, Changcheng Xiang, Changhe Zhou, Peng Sun, Yongfang Xie, Jin Wang, Zonghao Ye, Ge Jin, Junjie Li

Proceedings Volume 11188, 1118822 (2019) https://doi.org/10.1117/12.2537731

KEYWORDS: 3D image processing, 3D acquisition, Optics manufacturing, Structured light, Objectives, Target recognition, Optical testing, Facial recognition systems, Aerospace engineering, Optical imaging

Read Abstract +

Proceedings Article | 18 November 2019 Paper

Broadband polarization-independent reflective 1×2 beam splitters under normal incidence based on encapsulated metal-dielectric gratings

Zhengkun Yin, Changhe Zhou, Junjie Yu, Yunkai Lu

Proceedings Volume 11188, 111880U (2019) https://doi.org/10.1117/12.2537284

KEYWORDS: Beam splitters, Reflectivity, Optical design, Diffraction gratings, Optical components, Diffraction, Ultrafast phenomena, Coherent beam combination, Beam shaping, Precision measurement

Read Abstract +

Proceedings Article | 18 November 2019 Paper

Design of a 1*5 transmission grating splitter with triangular structure of MgF2

Junjie Li, Jin Wang, Changhe Zhou, Wei Jia, Changcheng Xiang, Peng Sun, Yongfang Xie

Proceedings Volume 11188, 111880V (2019) https://doi.org/10.1117/12.2536389

KEYWORDS: Diffraction gratings, Optical design, Beam splitters, Diffraction, Polarization, Magnesium fluoride, Tolerancing, Refractive index

Read Abstract +

Proceedings Article | 18 November 2019 Paper

Performance improvement of refractive index sensor based on two-dimensional metal-dielectric grating

Peng Sun, Changhe Zhou, Wei Jia, Jin Wang, Changcheng Xiang, Yongfang Xie, Dong Zhao, Junjie Li, Zonghao Ye, Ge Jin

Proceedings Volume 11188, 111880Z (2019) https://doi.org/10.1117/12.2537752

KEYWORDS: Refractive index, Sensors, Absorption, Dielectrics, Gold, Thin films, Surface plasmons, Biosensing, Photodetectors

Read Abstract +

Proceedings Article | 18 November 2019 Paper

From holography to picooptics

Changhe Zhou

Proceedings Volume 11188, 111880N (2019) https://doi.org/10.1117/12.2537451

KEYWORDS: Holography, Bridges, Fabrication, Lithography

Read Abstract +

Proceedings Article | 8 November 2018 Paper

High-precision 3D shape measurement based on time-resolved VCSEL

Chao Li, Jing Ye, Changhe Zhou, Chaofeng Miao

Proceedings Volume 10818, 1081829 (2018) https://doi.org/10.1117/12.2502417

KEYWORDS: 3D metrology, Vertical cavity surface emitting lasers, Structured light, Cameras, Projection systems, Clouds, 3D modeling, Light sources, Computer programming, Facial recognition systems

Read Abstract +

Proceedings Article | 8 November 2018 Paper

The fabrication and measurement of gold reflective grating

Yunkai Lu, Fantao Bu, Changhe Zhou, Minkang Li, Yingjie Yu

Proceedings Volume 10818, 1081810 (2018) https://doi.org/10.1117/12.2500811

KEYWORDS: Diffraction gratings, Diffraction, Laser applications, Polarization, Gold, Reflectivity, Lithography, Power meters, Laser development, Photomasks

Read Abstract +

Proceedings Article | 8 November 2018 Paper

Orthogonal crossed gratings fabricated by scanning Dammann lithography

Xiansong Xiang, Shiyao Zhu, Fantao Bu, Yunkai Lu, Wei Jia, Minkang Li, Changhe Zhou, Chunlong Wei

Proceedings Volume 10818, 108180V (2018) https://doi.org/10.1117/12.2500281

KEYWORDS: Lithography, Interferometers, Photoresist materials, Optical encoders, Diffraction gratings, Mirrors, Atomic force microscopy, Laser applications, Photomasks, Lutetium

Read Abstract +

Proceedings Article | 8 November 2018 Paper

Three dimensional measurement module of transverse odd-even combinational Dammann grating

Changcheng Xiang, Dong Zhao, Changhe Zhou, Jin Wang, Wei Jia

Proceedings Volume 10818, 108180H (2018) https://doi.org/10.1117/12.2500756

KEYWORDS: Beam splitters, Diffraction gratings, 3D image processing, 3D metrology, Optical design, 3D acquisition, Structured light, Beam expanders, Objectives, Diffraction

Read Abstract +

Proceedings Article | 8 November 2018 Paper

Sagnac spectral imaging resolved with two high-density gratings

Yongfang Xie, Changhe Zhou, Wei Jia, Jin Wang, Changcheng Xiang

Proceedings Volume 10818, 1081817 (2018) https://doi.org/10.1117/12.2500662

KEYWORDS: Diffraction gratings, Mirrors, Imaging spectroscopy, Imaging systems, Diffraction, Staring arrays, Prisms, Sagnac interferometers, Spectral resolution, Beam splitters

Read Abstract +

Proceedings Article | 8 November 2018 Paper

Four-port beam splitter of a single-groove grating

Wei Jia, Jin Wang, Changcheng Xiang, Changhe Zhou

Proceedings Volume 10818, 1081812 (2018) https://doi.org/10.1117/12.2501058

KEYWORDS: Beam splitters, Diffraction gratings, Diffraction

Read Abstract +

Proceedings Article | 7 November 2018 Paper

Three-dimensional measurement method of structured light based on three measuring triangles

Zhao Liu, Changhe Zhou, Chao Li

Proceedings Volume 10818, 108180N (2018) https://doi.org/10.1117/12.2502547

KEYWORDS: Projection systems, Clouds

Read Abstract +

Proceedings Article | 6 November 2018 Paper

Grating interferometry with high optical subdivision

Junjie Yu, Shiyao Zhu, Changhe Zhou, Minkang Li, Chunlong Wei

Proceedings Volume 10818, 108181O (2018) https://doi.org/10.1117/12.2500576

KEYWORDS: Interferometers, Diffraction gratings, Diffraction, Mirrors, Doppler effect, Interferometry, Laser sources, Distance measurement, Laser stabilization, Photodetectors

Read Abstract +

Proceedings Article | 6 November 2018 Paper

Wide-band two-port polarization-independent beam splitter based on an encapsulated transmission grating

Junjie Yu, Yunkai Lu, Changhe Zhou

Proceedings Volume 10818, 1081811 (2018) https://doi.org/10.1117/12.2500957

KEYWORDS: Diffraction gratings, Polarization, Beam splitters, Diffraction, Dielectric polarization, Optical design, Tolerancing, Laser systems engineering, Manufacturing, Holography

Read Abstract +

Proceedings Article | 6 November 2018 Paper

Gratings theory for pico-optics applications

Changhe Zhou, Minkang Li, Xiansong Xiang, Chunlong Wei, Wei Jia, Changcheng Xiang

Proceedings Volume 10818, 108180G (2018) https://doi.org/10.1117/12.2500319

KEYWORDS: Interferometers, Wavefronts, Holography, Diffraction gratings, Sensors, Distortion, Optical components, Nano optics, Distance measurement, Diffraction

Read Abstract +

Proceedings Article | 6 November 2018 Paper

Three-dimensional human face identification card

Yu Yan, Changhe Zhou, Chao Li, JunJie Yu

Proceedings Volume 10818, 108180E (2018) https://doi.org/10.1117/12.2501049

KEYWORDS: Microlens array, 3D displays, Refractive index, 3D image processing, Microlens, Facial recognition systems, 3D acquisition, Photography, Imaging systems, Imaging technologies

Read Abstract +

Proceedings Article | 6 November 2018 Paper

Direct laser writing lithography technology based on rotating two-dimensional Dammann grating

Changcheng Xiang, Jin Wang, Yongfang Xie, Dong Zhao, Wei Jia, Changhe Zhou

Proceedings Volume 10818, 1081815 (2018) https://doi.org/10.1117/12.2327126

KEYWORDS: Diffraction gratings, Multiphoton lithography, Laser applications, Laser systems engineering, Lithography, Optical components, Diffraction, Laser optics, Microelectromechanical systems

Read Abstract +

Proceedings Article | 6 November 2018 Paper

High-precision 3D measurement of large-sized rough glass using phase-shifting and phase-height mapping

Chao Li, Changhe Zhou, Fantao Bu, Yu Yan

Proceedings Volume 10818, 108180O (2018) https://doi.org/10.1117/12.2500943

KEYWORDS: Glasses, Phase shifts, 3D metrology, Calibration, Cameras, Projection systems, 3D modeling, Solids, Associative arrays, Phase measurement

Read Abstract +

Proceedings Article | 26 June 2017 Paper

Three-dimensional Dammann confocal microscopy

Changhe Zhou

Proceedings Volume 10329, 1032913 (2017) https://doi.org/10.1117/12.2276581

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

Read Abstract +