Prof. Changhe Zhou Profile

Prof. Changhe Zhou

Research Professor at Jinan Univ

SPIE Involvement:

Conference Program Committee | Conference Chair | Editor | Author

Publications (150)

Proceedings Article | 23 November 2024 Paper

Linearly to circularly polarized light with a 1D-rectangular grating

Rongwei Peng, Wei Jia, Changhe Zhou

Proceedings Volume 13240, 132401M (2024) https://doi.org/10.1117/12.3035768

KEYWORDS: Polarized light, Diffraction gratings, Wave plates, Optical gratings, Diffraction

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Proceedings Article | 23 November 2024 Paper

Picometer comb for picometer measurement

Zhanpeng Ren, Mingle Qiao, Yongfang Xie, Changhe Zhou, Wei Jia

Proceedings Volume 13240, 132401E (2024) https://doi.org/10.1117/12.3035756

KEYWORDS: Optical gratings, Holography, Lithography, Interferometers, Holographic interferometry, Sensors, Semiconductors, Beam splitters, Light sources, Laser irradiation

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Proceedings Article | 23 November 2024 Paper

Statistical analysis of surface defects of large-size gratings

Xiufan Yang, Mengqing Xu, Xingxue Li, Wei Jia, Changhe Zhou

Proceedings Volume 13240, 132401U (2024) https://doi.org/10.1117/12.3035839

KEYWORDS: Optical gratings, Diffraction gratings, Optical surfaces, Manufacturing, Optical components, Standards development, Statistical analysis, Photoresist materials, Glues, Defect detection

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Proceedings Article | 23 November 2024 Paper

Design of Dammann gratings based on chiral structures

Yuhong Hu, Changhe Zhou

Proceedings Volume 13240, 132401R (2024) https://doi.org/10.1117/12.3035987

KEYWORDS: Diffraction gratings, Optical gratings, Design, Polarization, Diffraction, Polarized light, Polarization gratings, Dichroic materials, Optical design, Algorithms

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Proceedings Article | 23 November 2024 Paper

Polarization-independent quasi-BIC based on non-rotationally symmetric dimer metasurfaces

Zhisen Huang, Changhe Zhou

Proceedings Volume 13240, 132400A (2024) https://doi.org/10.1117/12.3036223

KEYWORDS: Polarization, Nanorods, Electric fields, Scattering, Resonators

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Proceedings Article | 23 November 2024 Paper

Equal point of two modes effective refractive indices in simplified modal method

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

Proceedings Volume 13240, 132401S (2024) https://doi.org/10.1117/12.3036346

KEYWORDS: Diffraction gratings, Diffraction, Refractive index, Polarization, Silica, Optical gratings, Bragg wavelengths, Wave propagation, Polarization gratings, Physics

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Proceedings Article | 23 November 2024 Paper

Measurement of restricted duty cycle of 2D gratings based on diffraction efficiency

Xiangwen Ning, Xiufan Yang, Xingxue Li, Shanwen Zhang, Wei Jia, Changhe Zhou

Proceedings Volume 13240, 132401P (2024) https://doi.org/10.1117/12.3035870

KEYWORDS: Diffraction gratings, Optical gratings, Diffraction

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Proceedings Article | 23 November 2024 Paper

Optical parallel computing of convolution using a Dammann grating

Yin Zhang, Ning Shen, Changhe Zhou, Wei Jia

Proceedings Volume 13240, 132401V (2024) https://doi.org/10.1117/12.3035890

KEYWORDS: Matrices, Convolution, Optical gratings, Spatial light modulators, Diffraction, Diffraction gratings, Optical computing, Computing systems, Power consumption, Parallel computing

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Proceedings Article | 23 November 2024 Paper

Design of absolute 1.5D grating scale

Huan Wang, Wei Jia, Changhe Zhou

Proceedings Volume 13240, 132401J (2024) https://doi.org/10.1117/12.3036125

KEYWORDS: Optical gratings, Interferometers, Sensors, Precision measurement

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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

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Proceedings Article | 27 November 2023 Paper

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

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

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

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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

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Proceedings Article | 27 November 2023 Paper

Phase calculation of diffraction grating based on RCWA

Shihao Kang, Wei Jia, Changhe Zhou

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

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Proceedings Article | 27 November 2023 Paper

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

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

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

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Proceedings Article | 27 November 2023 Paper

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

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

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Proceedings Article | 19 December 2022 Paper

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

Yuda Chen, Changhe Zhou, 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

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Proceedings Article | 19 December 2022 Paper

Detection and evaluation of surface defect for large-size grating

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

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

KEYWORDS: Diffraction gratings, Defect detection, Optical inspection

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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

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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

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Proceedings Article | 26 November 2021 Paper

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

Guoqing Ma, JunJie Yu, Changhe Zhou

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

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Proceedings Article | 9 October 2021 Presentation + Paper

Roadmap of optical computing

Changhe Zhou, Junjie Yu, Guowei Li, Guoqing Ma

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

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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

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Proceedings Article | 10 October 2020 Presentation + Paper

Picomicroscopy

Changhe Zhou

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

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Proceedings Article | 18 November 2019 Paper

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

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

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

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Proceedings Article | 18 November 2019 Paper

Highly efficient broadband optimization design of gold-plated reflective grating

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

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

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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

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Proceedings Article | 18 November 2019 Paper

Three-dimensional measurement of rotating combinative Dammann gratings

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

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

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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

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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

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Proceedings Article | 18 November 2019 Paper

Fast 3D reconstruction method based on 2D gold matrix

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

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

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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, Ge Jin, Zonghao Ye, Junjie Li

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

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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

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Proceedings Article | 18 November 2019 Paper

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

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

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

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Proceedings Article | 8 November 2018 Paper

Four-port beam splitter of a single-groove grating

Changcheng Xiang, Changhe Zhou, Wei Jia, Jin Wang

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

KEYWORDS: Beam splitters, Diffraction gratings, Diffraction

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Proceedings Article | 8 November 2018 Paper

Orthogonal crossed gratings fabricated by scanning Dammann lithography

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

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

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Proceedings Article | 8 November 2018 Paper

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

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

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

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Proceedings Article | 8 November 2018 Paper

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

Jing Ye, Changhe Zhou, Chao Li, 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

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Proceedings Article | 8 November 2018 Paper

The fabrication and measurement of gold reflective grating

Fantao Bu, Yunkai Lu, 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

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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

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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

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Proceedings Article | 6 November 2018 Paper

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

Yunkai Lu, Changhe Zhou, Junjie Yu

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

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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, Yu Yan, Fantao Bu

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

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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

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Proceedings Article | 6 November 2018 Paper

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

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

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

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Proceedings Article | 6 November 2018 Paper

Grating interferometry with high optical subdivision

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

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

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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

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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

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