Dr. Haijin Fu Profile

Dr. Haijin Fu

at Harbin Institute of Technology

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Author

Publications (10)

Proceedings Article | 24 November 2023 Paper

A multi-axis interferometer based 6-DoF readout system for the gravitational wave detection

Haisu Lv, Ruitao Yang, Hao Sun, Jinxuan Wu, Haijin Fu, Hongxing Yang, Liang Yu, Xu Xing, Yisi Dong, Pengcheng Hu

Proceedings Volume 12935, 129353X (2023) https://doi.org/10.1117/12.3007842

KEYWORDS: Interferometers, Reflection, Numerical simulations, Kinematics, Systems modeling

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Proceedings Article | 1 November 2021 Paper

Subring-wavelength multidimensional multiplexing for quad-comb generation from an integrated dual-ring mode-locked laser

Hao Sun, Haisu Lv, Jinxuan Wu, Pengcheng Hu, Haijin Fu, Hongxing Yang, Ruitao Yang, Xuemei Ding

Proceedings Volume 12057, 120570H (2021) https://doi.org/10.1117/12.2604026

KEYWORDS: Multiplexing, Mode locking, Wave plates, Optical filters, Semiconductor lasers, Free space optics, Spectrum analysis, Polarization, Laser applications, Collimators

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SPIE Journal Paper | 2 April 2020

Real-time compensation of nonlinearity in heterodyne interferometers based on quadrature demodulation and extremum operation

Haijin Fu, Yue Wang, Pengcheng Hu, Hongxing Yang, Ruitao Yang, Xu Xing, Jiubin Tan

OE, Vol. 59, Issue 04, 044101, (April 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.4.044101

KEYWORDS: Heterodyning, Interferometers, Nonlinear optics, Demodulation, Signal processing, Optical engineering, Error analysis, Field programmable gate arrays, Computer simulations, Laser optics

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Proceedings Article | 7 March 2019 Paper

Design and performance analysis of a novel thermos-structure for measuring thermal drift of optics in a next generation interferometer

Guolong Wu, Hongxing Yang, Haijin Fu, Pengcheng Hu, Xuemei Ding

Proceedings Volume 11053, 110534G (2019) https://doi.org/10.1117/12.2513410

KEYWORDS: Thermography, Interferometers, Heterodyning, Fiber reinforced polymers, Radiation effects, Interferometry, Finite element methods, Thermal analysis, Thermal modeling, Optical instrument design

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Proceedings Article | 7 March 2019 Paper

An enhanced homodyne laser vibrometer based on an auto-gain module

Ke Wang, Haijin Fu, Di Chang, Pengcheng Hu, Hongxing Yang, Ruitao Yang, Jiubin Tan

Proceedings Volume 11053, 1105346 (2019) https://doi.org/10.1117/12.2512441

KEYWORDS: Reflectivity, Homodyne detection, Signal processing, Signal to noise ratio, Vibrometry, Beam splitters, Polarization, Optical testing, Laser processing

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Proceedings Article | 7 March 2019 Paper

A real-time nonlinear error measurement method with picometer accuracy and free from target motion state

Haijin Fu, Yue Wang, Ruidong Ji, Pengcheng Hu, Hongxing Yang, Ruitao Yang, Jiubin Tan

Proceedings Volume 11053, 110533H (2019) https://doi.org/10.1117/12.2512169

KEYWORDS: Interferometers, Heterodyning, Error analysis, Motion measurement, Demodulation, Phase measurement, Doppler effect, Field programmable gate arrays

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Proceedings Article | 7 March 2019 Paper

Dual-comb generation from a dual-ring hybrid mode-locked fiber laser

Ruitao Yang, Hao Sun, Jiahao Guo, Haijin Fu, Hongxing Yang, Pengcheng Hu, Zhigang Fan, Jiubin Tan

Proceedings Volume 11053, 1105324 (2019) https://doi.org/10.1117/12.2511742

KEYWORDS: Mode locking, Fiber lasers

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Proceedings Article | 6 March 2015 Paper

Study on formation and transformation of the optical nonlinearity harmonics in the heterodyne laser interferometer

Haijin Fu, Jiubin Tan, Zhigang Fan

Proceedings Volume 9446, 94463X (2015) https://doi.org/10.1117/12.2181519

KEYWORDS: Nonlinear optics, Heterodyning, Interferometers, Neodymium, Ions, Beam splitters, Laser applications, Instrumentation engineering, Laser systems engineering, Optics manufacturing

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Proceedings Article | 31 January 2013 Paper

Recent developments in heterodyne laser interferometry at Harbin Institute of Technology

P. Hu, J. Tan, H. X. Yang, H. J. Fu, Q. Wang

Proceedings Volume 8759, 87593M (2013) https://doi.org/10.1117/12.2014507

KEYWORDS: Laser stabilization, Heterodyning, Interferometers, Laser interferometry, Polarization, Nonlinear optics, Laser development, Sensors, Optical testing, Interferometry

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Proceedings Article | 31 January 2013 Paper

Transformation mechanism of nonlinearity harmonics caused by laser polarization in the heterodyne laser interferometer

Haijin Fu, Jiubin Tan, Pengcheng Hu, Zhigang Fan

Proceedings Volume 8759, 875944 (2013) https://doi.org/10.1117/12.2014512

KEYWORDS: Polarization, Interferometers, Heterodyning, Jones vectors, Error analysis, Laser components, Nonlinear optics, Beam splitters, Laser applications, Mathematical modeling

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Showing 5 of 10 publications

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