Prof. Lei Chen Profile

Prof. Lei Chen

at Nanjing Univ of Science & Technology

SPIE Involvement:

Author

Publications (47)

SPIE Journal Paper | 5 July 2021

Wavefront sensing method for the sparse aperture optical system

Junliu Fan, Quanying Wu, Baohua Chen, Lin Liu, Lei Chen

OE, Vol. 60, Issue 07, 074102, (July 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.7.074102

KEYWORDS: Wavefront sensors, Zernike polynomials, Wavefront aberrations, Wavefronts, Optical engineering, Telescopes, Mirrors, Sensors, Fluctuations and noise, Optics manufacturing

Read Abstract +

Proceedings Article | 20 June 2021 Poster + Presentation + Paper

Uncertainty evaluation of a 300-mm-aperture vertical Fizeau interferometer

Yuntao Wang, Lei Chen, Chenhui Hu, Donghui Zheng, Chen Huang, Zhiyao Ma, Haiying Ma

Proceedings Volume 11782, 117821H (2021) https://doi.org/10.1117/12.2591870

Read Abstract +

SPIE Journal Paper | 30 December 2020

Accurate determination of random pattern phase in structured illumination microscopy with low modulation depth

Xinying Cui, Ning Chen, Jinxi Bai, Zhendong Shi, Hua Ma, Yi Yang, Ke Ma, Huan Ren, Liqun Chai, Lei Chen, Lin Zhang

OE, Vol. 59, Issue 12, 123105, (December 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.12.123105

KEYWORDS: Reconstruction algorithms, Modulation, Phase shift keying, Error analysis, Super resolution, Phase shifts, Image processing, Microscopy, Optical engineering, Computer simulations

Read Abstract +

SPIE Journal Paper | 5 March 2020

Spatial mismatch calibration based on fast partial phase correlation for interferograms in dynamic Fizeau interferometer

Donghui Zheng, Lei Chen, Ying Yang, Chenhui Hu, Yong He, Tuya Wulan, Jun Ma, Rihong Zhu

OE, Vol. 59, Issue 03, 034104, (March 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.3.034104

KEYWORDS: Calibration, Phase shifts, Fourier transforms, Error analysis, Optical engineering, Laser sources, Image segmentation, Fizeau interferometers, Polarization, Spiral phase plates

Read Abstract +

Proceedings Article | 4 June 2019 Paper

Interferometric measurement of phase in EUV masks

Wenhua Zhu, Ryan Miyakawa, Lei Chen, Patrick Naulleau

Proceedings Volume 10957, 109571W (2019) https://doi.org/10.1117/12.2518057

KEYWORDS: Phase shifts, Photomasks, Extreme ultraviolet, Phase measurement, Interferometry, Phase shifting, Phase interferometry, Diffraction gratings, Reconstruction algorithms, Optical design

Read Abstract +

Proceedings Article | 7 November 2018 Paper

The numerical analysis and application of camouflage target DOLP under low illumination

Yanhua Huang, Chengguo Wu, Suhong He, Lei Chen

Proceedings Volume 10832, 108320O (2018) https://doi.org/10.1117/12.2506981

KEYWORDS: Polarization, Polarizers, Target detection, Numerical analysis, Camouflage, Charge-coupled devices, Error analysis, Specular reflections, Light scattering, Image quality

Read Abstract +

Proceedings Article | 9 October 2018 Presentation + Paper

Lateral shearing interferometry for high-NA EUV wavefront metrology

Wenhua Zhu, Ryan Miyakawa, Lei Chen, Patrick Naulleau

Proceedings Volume 10809, 108091S (2018) https://doi.org/10.1117/12.2501989

KEYWORDS: Wavefronts, Extreme ultraviolet, Sensors, Interferometry, Wavefront metrology, Mathematical modeling, Interferometers, Geometrical optics, Diffraction, Shearing interferometers

Read Abstract +

SPIE Journal Paper | 14 November 2017

Simultaneous phase-shifting Twyman interferometer with a point source array

Donghui Zheng, Lei Chen, Yu Ding, Qinyuan Sun, Wenhua Zhu, Jinpeng Li

OE, Vol. 56, Issue 11, 115103, (November 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.11.115103

KEYWORDS: Phase shifts, Interferometers, Diffraction, Diffraction gratings, Imaging systems, Charge-coupled devices, Optical engineering, Phase measurement, Picosecond phenomena, Polarization

Read Abstract +

Proceedings Article | 26 June 2017 Paper

Absolute test using the conjugate differential method

Ya Huang, Jun Ma, Caojin Yuan, Lei Chen, Rihong Zhu, Zhishan Gao

Proceedings Volume 10329, 1032929 (2017) https://doi.org/10.1117/12.2271978

KEYWORDS: Interferometry, Axicons, Error analysis, Optical testing, Computer generated holography, Coherence imaging, Spatial frequencies, Interferometers, Zernike polynomials, Spherical lenses, Imaging systems, Cameras, Monochromatic aberrations

Read Abstract +

Proceedings Article | 26 June 2017 Paper

Spatial-temporal phase shifting interferometry: suppressing phase errors in dynamic Fizeau interferometer

Wenhua Zhu, Lei Chen, Rihong Zhu, Rui Zhang, Donghui Zheng

Proceedings Volume 10329, 1032909 (2017) https://doi.org/10.1117/12.2271189

KEYWORDS: Error analysis, Mirrors, Phase interferometry, Fizeau interferometers, Interferometers, Interferometry, Phase shifting, Phase shift keying, Modulation, Phase shifts, Phase measurement

Read Abstract +

SPIE Journal Paper | 16 December 2016

Absolute measurement for optical inhomogeneity of parallel plate using phase-shifting interferometry

Donghui Zheng, Lei Chen, Qinyuan Sun, Wenhua Zhu, Jinpeng Li, Jianxin Li

OE, Vol. 55, Issue 12, 124103, (December 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.12.124103

KEYWORDS: Optical testing, Reflectivity, Phase interferometry, Wavefronts, Interferometers, Refractive index, Photovoltaics, Lithium, Optical engineering, Error analysis

Read Abstract +

Proceedings Article | 27 September 2016 Paper

Near infrared reflective shearing point diffraction interferometer for dynamic wavefront measurement

Wenhua Zhu, Lei Chen, Donghui Zheng

Proceedings Volume 9684, 968405 (2016) https://doi.org/10.1117/12.2240632

KEYWORDS: Wavefronts, Near infrared, Reflectivity, Point diffraction interferometers, Diffraction, Interferometry, Phase measurement, Charge-coupled devices, Calibration, Spherical lenses, Beam splitters, Monochromatic aberrations, Fourier transforms

Read Abstract +

Proceedings Article | 27 September 2016 Paper

Experimental research of improved subaperture stitching method able to eliminate high-order defocus error

Quan Zheng, Lei Chen, Le Song, Zhigang Han

Proceedings Volume 9684, 968415 (2016) https://doi.org/10.1117/12.2241147

KEYWORDS: Wavefronts, Radium, Error analysis, Silicon carbide, Interferometry, Optical testing, Mirrors, Reflectors, Astronomy, Electronics engineering

Read Abstract +

Proceedings Article | 27 September 2016 Paper

Research on adjusting and testing of off-axis paraboloid mirror with large aperture

Donghui Zheng, Lei Chen, Wenhua Zhu

Proceedings Volume 9684, 968406 (2016) https://doi.org/10.1117/12.2240476

KEYWORDS: Off axis mirrors, Mirrors, Optical testing, Monochromatic aberrations, Wavefront aberrations, Interferometers, Imaging systems, Zoom lenses, Optical coherence tomography, Zemax

Read Abstract +

SPIE Journal Paper | 27 July 2015

Assessment of optical freeform surface error in tilted-wave-interferometer by combining computer-generated wave method and retrace errors elimination algorithm

Hua Shen, Rihong Zhu, Lei Chen, Jia Li

OE, Vol. 54, Issue 07, 074105, (July 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.7.074105

KEYWORDS: Wavefronts, Freeform optics, Charge-coupled devices, Calibration, Error analysis, Optical spheres, Optics manufacturing, Interferometers, Optical engineering, Interferometry

Read Abstract +

Proceedings Article | 14 July 2015 Paper

Research and validation of key measurement technologies of large aperture optical elements

Renhui Guo, Lei Chen, Chao Jiang, Hui Cao, Huiqin Zhang, Binbin Zhou, Le Song

Proceedings Volume 9532, 95322A (2015) https://doi.org/10.1117/12.2186267

KEYWORDS: Optical components, Wavefronts, Interferometers, Optical testing, Analytical research, Reliability, Birefringence, High power lasers, Manufacturing, Interferometry

Read Abstract +

Proceedings Article | 18 September 2014 Paper

A 4+1 phase shifting algorithm for rotating-compensator spectroscopic ellipsometry

Zhi-gang Han, Zhi Xu, Lei Chen

Proceedings Volume 9282, 92820Q (2014) https://doi.org/10.1117/12.2069518

KEYWORDS: Phase shifting, Wave plates, Spectroscopy, Polarizers, Spectroscopic ellipsometry, Polarization, Optical testing, Modulation, Light sources, Solids

Read Abstract +

Proceedings Article | 15 October 2012 Paper

Micro-profile measurement of a transparent coating using windowed Fourier transform in white-light vertical scanning interferometry

Suodong Ma, Chenggen Quan, Rihong Zhu, Lei Chen

Proceedings Volume 8417, 841725 (2012) https://doi.org/10.1117/12.970532

KEYWORDS: Coating, Microelectromechanical systems, Interferometry, Ferroelectric materials, Fourier transforms, Reflectivity, Optics manufacturing, Electronic filtering, Laser optics, Light sources

Read Abstract +

Proceedings Article | 15 October 2012 Paper

Two-flat absolute test solutions based on pixel rotation averaging

Wenqing Sun, Lei Chen, Yong He, Hongzhu Ri

Proceedings Volume 8417, 84172B (2012) https://doi.org/10.1117/12.975138

KEYWORDS: Evolutionary algorithms, Reconstruction algorithms, Interferometry, Algorithm development, Optical testing, Mirrors, Fizeau interferometers, Error analysis, Liquids, Zernike polynomials

Read Abstract +

SPIE Journal Paper | 1 March 2010

Measurement for 90-deg error of dihedral angles of glass cubes

Bo Li, Lei Chen, Yong He

OE, Vol. 49, Issue 03, 033606, (March 2010) https://doi.org/10.1117/12.10.1117/1.3363386

KEYWORDS: Glasses, Wavefronts, Interferometers, Error analysis, Phase shifts, Prisms, Reflectivity, Refractive index, Optical engineering, Lithium

Read Abstract +

Proceedings Article | 3 February 2009 Paper

In-line Calibration of Phase Shifters for Interferometer Measurement

XuHua Wu, Lei Chen, Shaorong Xiao, YingChun Li

Proceedings Volume 7160, 71601D (2009) https://doi.org/10.1117/12.805502

KEYWORDS: Calibration, Phase shifts, Ferroelectric materials, Interferometers, Phase interferometry, Phase measurement, Computer simulations, Phase shift keying, Mirrors, Information science

Read Abstract +

Proceedings Article | 17 January 2007 Paper

Simultaneous phase-shifting interferometry based on high-speed CCD

Fen Zuo, Lei Chen, Chunsheng Xu

Proceedings Volume 6279, 62795N (2007) https://doi.org/10.1117/12.725441

KEYWORDS: Phase shifts, Charge-coupled devices, Interferometers, Phase interferometry, Polarization, Optical testing, Ferroelectric materials, Polarizers, Transducers, Environmental sensing

Read Abstract +

Proceedings Article | 19 May 2006 Paper

Interferogram region spreading technology in spatial domain

Jun-hong Su, Lei Chen, Ri-hong Zhu

Proceedings Volume 6150, 615028 (2006) https://doi.org/10.1117/12.676789

KEYWORDS: Interferometry, Wavefronts, Fringe analysis, Phase measurement, Optical testing, Data processing, Optical filters, Thin films, Electronics engineering, Diffusion

Read Abstract +

Proceedings Article | 23 February 2006 Paper

Straightness error measurement of horizontal slideway

Xuhua Wu, Lei Chen, Jiaofen Sun

Proceedings Volume 6150, 61504Q (2006) https://doi.org/10.1117/12.676720

KEYWORDS: Mirrors, Error analysis, Phase shifts, Wavefronts, Optical testing, Spatial frequencies, Fringe analysis, Interferometers, Phase interferometry, Sun

Read Abstract +

Proceedings Article | 23 February 2006 Paper

Adaptive vibration-resistant techniques in interferometry based on single-point phase-detecting

Yong He, Lei Chen, Xiaofan Zhang

Proceedings Volume 6150, 61504E (2006) https://doi.org/10.1117/12.676539

KEYWORDS: Digital signal processing, Ferroelectric materials, Signal detection, Phase shifts, Interferometers, Photodiodes, Signal processing, Interferometry, Roads, Vibration control

Read Abstract +

Proceedings Article | 9 December 2005 Paper

On-line calibration of phase-shifter in phase-shifting interferometer

Lei Chen, Yingchun Li, Fei Liu

Proceedings Volume 6024, 602412 (2005) https://doi.org/10.1117/12.666845

KEYWORDS: Ferroelectric materials, Calibration, Phase shifts, Phase interferometry, Interferometers, Computer simulations, Lithium, Mathematics, Mathematical modeling, Phase shift keying

Read Abstract +