Prof. Feng Xu Profile

Prof. Feng Xu

at Soochow Univ

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 16 August 2024 Paper

Secondary light distribution design of COB extended light source based on double free-form surface

Chenyang Zhang, Feng Xu

Proceedings Volume 13231, 1323116 (2024) https://doi.org/10.1117/12.3040357

KEYWORDS: Design, Light sources, Light sources and illumination, Freeform optics, Solids, Lens design, Refractive index, Ray tracing, Optical surfaces, Mathematical optimization

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Proceedings Article | 16 August 2024 Paper

Design of large field of view diffractive lens based on quadratic phase profile

Tianyu Liu, Feng Xu

Proceedings Volume 13231, 132311B (2024) https://doi.org/10.1117/12.3040224

KEYWORDS: Diffraction, Diffractive optical elements, Mathematical optimization, Light sources, Image processing, Point spread functions, Phase distribution, Optical testing

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Proceedings Article | 16 August 2024 Paper

Multicolor LED shaping design of diffractive optical elements based on differentiable light field

Quan Zhou, Feng Xu

Proceedings Volume 13231, 1323119 (2024) https://doi.org/10.1117/12.3040117

KEYWORDS: Diffractive optical elements, Light emitting diodes, Beam shaping, Design, Wavefronts, Optical components, Light wave propagation, Optical surfaces, Light sources and illumination, Refractive index

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Proceedings Article | 3 June 2024 Paper

Improvement of micro-LED top emission through surface nanostructures and chip design

Meng Le, Guobin Wang, Ying Yan, Ziwei Wang, Jinbiao Huang, Yu Xu, Ti Sun, Feng Xu, Bing Cao

Proceedings Volume 13182, 131822H (2024) https://doi.org/10.1117/12.3030379

KEYWORDS: Nanostructures, Gallium nitride, Polarization, Design, Optical surfaces, Refractive index, Finite-difference time-domain method, Electric fields, Reflection, Quantum wells

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Proceedings Article | 10 September 2022 Paper

Incremental measurement of the numerical aperture of gradient index lenses based on image recognition

Qiang Tong, Chunlei Xing, Feng Xu, Zhenwen Hu, Kuaishen Zou

Proceedings Volume 12328, 123281K (2022) https://doi.org/10.1117/12.2644380

KEYWORDS: GRIN lenses, Error analysis, Refractive index, Imaging systems, Edge detection, Detection and tracking algorithms, Light sources, Target recognition

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Proceedings Article | 10 September 2022 Paper

Application of multilayer diffractive optical elements in micro-projection system

Lin Wang, Tianyu Liu, Feng Xu

Proceedings Volume 12328, 123280F (2022) https://doi.org/10.1117/12.2644371

KEYWORDS: Optical design, Diffractive optical elements, Imaging systems, Liquid crystal on silicon, Head-mounted displays, Visible radiation

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Proceedings Article | 24 November 2021 Paper

Design of lighting system for head-mounted display device

Chunlei Xing, Yujie Chen, Feng Xu, Suodong Ma

Proceedings Volume 12066, 1206610 (2021) https://doi.org/10.1117/12.2605793

KEYWORDS: Light sources and illumination, Diffusers, Relays, Light emitting diodes, Liquid crystal on silicon, Head-mounted displays, Projection systems, Collimation, Refractive index

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Proceedings Article | 24 November 2021 Paper

Design and error analysis of Gabor-type diffractive lens

Gu Ma, Penglei Zheng, Feng Xu, Suodong Ma

Proceedings Volume 12066, 120661B (2021) https://doi.org/10.1117/12.2606606

KEYWORDS: Zone plates, Point spread functions, Binary data, Transmittance, Tolerancing, Error analysis, Phase modulation, Fluctuations and noise, Lens design

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Proceedings Article | 24 November 2021 Paper

Calculating method for circular interference fringe of Mach-Zehnder optical system

Bin Lin, Peng Sun, Xu Chen, Suodong Ma, Feng Xu

Proceedings Volume 12066, 120660Z (2021) https://doi.org/10.1117/12.2605792

KEYWORDS: Refractive index, Fringe analysis, Image processing, Near field optics, Image segmentation, GRIN lenses, Optical interferometry, Optics manufacturing, Optical components, Imaging systems

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Proceedings Article | 9 October 2021 Poster + Paper

Fringe projection profilometry with phase-coded optics

Qi Yan, Suodong Ma, Xu Chen, Feng Xu, Qitai Huang

Proceedings Volume 11899, 1189914 (2021) https://doi.org/10.1117/12.2601795

KEYWORDS: Fringe analysis, Imaging systems, Phase shifts, Lenses, Point spread functions, 3D metrology, Wavefronts, Projection systems, Modulation, Electronic filtering

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Proceedings Article | 4 December 2020 Paper

Application of diffractive structure in micro-projection light path

Yujie Chen, Feng Xu, Penglei Zheng, Suodong Ma

Proceedings Volume 11617, 1161728 (2020) https://doi.org/10.1117/12.2585277

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Proceedings Article | 31 January 2020 Paper

Parallel wire rapid control system based on machine vision

Zhengwen Hu, Feng Xu, Penglei Zheng

Proceedings Volume 11427, 1142721 (2020) https://doi.org/10.1117/12.2552204

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Proceedings Article | 24 January 2019 Paper

Study on wavelength division multiplexing with chirped volume Bragg gratings

Qinfeng Xu, Baoxing Xiong, Changwei Guo, Feng Xu, Guiju Zhang, Kuaisheng Zou

Proceedings Volume 10840, 108400J (2019) https://doi.org/10.1117/12.2507593

KEYWORDS: Diffraction, Wavelength division multiplexing, Diffraction gratings, Volume Bragg gratings, Refractive index

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Proceedings Article | 24 January 2019 Paper

Measurement of optical intercept of micro lens arrays

Guobing Tian, Feng Xu, Yujia Yao, Mingyang Shang, Chunlei Xing

Proceedings Volume 10840, 108400Z (2019) https://doi.org/10.1117/12.2506683

KEYWORDS: Image processing, Microscopes, Charge-coupled devices, Microlens, Optical testing, CCD cameras, Microlens array, Imaging systems, Optics manufacturing, Optical properties

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Proceedings Article | 18 January 2019 Paper

Design of portable fundus camera system based on mobile phone

Chunlei Xing, Feng Xu, Fei Lu, Guobing Tian, Mingyang Shang

Proceedings Volume 10839, 108391K (2019) https://doi.org/10.1117/12.2506700

KEYWORDS: Imaging systems, Cameras, Light sources and illumination, Cell phones, Cornea, Eye, Stray light, Image quality, Modulation transfer functions, Eye models

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Proceedings Article | 18 January 2019 Paper

Refractive index gradient measurement method based on the principle of Mach-Zehnder interference

Mingyang Shang, Feng Xu, Yujia Yao, Guobing Tian, Penglei Zheng, Zhengwen Hu

Proceedings Volume 10839, 108391A (2019) https://doi.org/10.1117/12.2506470

KEYWORDS: Refractive index, Image processing, Image sensors, Optical filters, Digital image processing, Interferometers, Digital imaging, Mach-Zehnder interferometers, GRIN lenses

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Proceedings Article | 5 March 2018 Paper

Determination of optical parameters of a GRIN lens by intercept measurement

Yufei Zhang, Baoxing Xiong, Qinfeng Xu, Changwei Guo, Guiju Zhang, Feng Xu, Kuaisheng Zou

Proceedings Volume 10710, 107102K (2018) https://doi.org/10.1117/12.2317861

KEYWORDS: GRIN lenses, Refractive index, Collimators, Optics manufacturing, Sensors, Cameras, Halogens, Lamps, Error analysis, Data processing

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Proceedings Article | 24 October 2017 Paper

A light field microscope imaging spectrometer based on the microlens array

Yu-jia Yao, Feng Xu, Yin-xiang Xia

Proceedings Volume 10461, 104610P (2017) https://doi.org/10.1117/12.2283519

KEYWORDS: Spectroscopy, Microlens array, Microscopes

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Proceedings Article | 31 October 2016 Paper

High resolution image restoration algorithm of wavefront coding system based on wiener filter and wavelet de-noising

Qiang Li, Feng Xu, Xiaonan Zhao, Yujia Yao, Yunxiang Li

Proceedings Volume 10020, 1002018 (2016) https://doi.org/10.1117/12.2246046

KEYWORDS: Image processing, Image restoration, Wavelets, Wavefronts, Signal processing, Filtering (signal processing), Image quality, Image resolution, Point spread functions, Image compression

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Proceedings Article | 25 October 2016 Paper

Light field microscope with square aperture and the reconstruction algorithm

Xia Yinxiang, Xu Feng, Yao Yujia

Proceedings Volume 9686, 968617 (2016) https://doi.org/10.1117/12.2243228

KEYWORDS: Microscopes, Reconstruction algorithms, Microlens array, Sensors, Objectives, Imaging systems, Detection and tracking algorithms, Image quality, Image resolution, Image sensors

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Proceedings Article | 27 September 2016 Paper

Research on testing method for combined aspheric surface with non-rotational symmetric

Wencai Zhou, Feng Xu, Xiaoxiao Wei

Proceedings Volume 9684, 96842I (2016) https://doi.org/10.1117/12.2242864

KEYWORDS: Aspheric lenses, Testing and analysis, Visualization, Holography, Optical design, Computer generated holography, Mirrors, Optical simulations, Interferometers, Optical testing

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Proceedings Article | 24 October 2014 Paper

Post-digital image processing based on microlens array

Chaiyuan Shi, Feng Xu

Proceedings Volume 9270, 92701K (2014) https://doi.org/10.1117/12.2071651

KEYWORDS: Image processing, Microlens array, Imaging systems, Reconstruction algorithms, Microlens, Image restoration, Image quality, Digital image processing, Image registration, Imaging arrays

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Proceedings Article | 19 December 2013 Paper

Optimized phase encoding for optical compressive sensing imaging

Jianchao Sun, Feng Xu

Proceedings Volume 9046, 904612 (2013) https://doi.org/10.1117/12.2037012

KEYWORDS: Compressed sensing, Computer programming, Sensors, Imaging systems, Optical imaging, Reconstruction algorithms, Detection and tracking algorithms, Charge-coupled devices, Optics manufacturing, Coded aperture imaging

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Proceedings Article | 23 August 2013 Paper

Comparative study of wavefront coding imaging with rotational and non-rotational symmetric phase masks

Jiangfei Hu, Feng Xu, Xiaonan Zhao, Chinhua Wang

Proceedings Volume 8911, 89110Z (2013) https://doi.org/10.1117/12.2035098

KEYWORDS: Imaging systems, Point spread functions, Modulation transfer functions, Wavefronts, Image processing, Optical imaging, Image restoration, Image filtering, Image quality, Monochromatic aberrations

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Showing 5 of 24 publications

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