Dr. Liwen Sheng Profile

Dr. Liwen Sheng

at Harbin Institute of Technology

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Author

Publications (7)

Proceedings Article | 24 November 2023 Paper

An external-cavity wavelength-swept laser with a wide mode-hopping free tuning range based on Littman-Metcalf configuration

Junwei Ju, Liwen Sheng, Zhiming Song, Lin Huang, Shan Qiao, Aiguo Zhang, Shuai Zhou, Yu Wei, Zhiming Liu, Jiaqing Liu, Lingfeng Xiao, Zhihui Zhang

Proceedings Volume 12935, 1293514 (2023) https://doi.org/10.1117/12.3005521

KEYWORDS: Engineering, Diffraction gratings, Tunable lasers, Superposition, Manufacturing, Diffraction, Blazed gratings, Wavefront sensors, Reflectors, Power meters

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Proceedings Article | 31 August 2021 Paper

Distributed Brillouin temperature sensing based on single-photon detector in optical fiber

Liwen Sheng, Jisong Yan, Lin Huang, Ming Yuan, Shan Qiao, Aiguo Zhang, Jiaqing Liu, Ligong Li, Fushun Nian, Shuai Zhou

Proceedings Volume 11907, 119070J (2021) https://doi.org/10.1117/12.2601785

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Proceedings Article | 31 August 2021 Paper

Measurement of distributed refractive index through Rayleigh backscattering spectra detection using a U-bent common fiber

Shan Qiao, Liwen Sheng, Ping Song, Aiguo Zhang, Honglong Guo, Peng Li, Jinpeng Lang, Hui Jin, Tianyang Qu

Proceedings Volume 11907, 1190704 (2021) https://doi.org/10.1117/12.2600768

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Proceedings Article | 18 June 2021 Paper

Distributed refractive index sensing based on U-bent fiber through spectral detection of Rayleigh scattering

Pengbai Xu, Liwen Sheng, Jiaqing Liu, Shuai Zhou, Xinyong Dong, Jun Yang, Yuwen Qin

Proceedings Volume 11850, 118501J (2021) https://doi.org/10.1117/12.2600384

KEYWORDS: Sensors, Rayleigh scattering, Refractive index, Single mode fibers, Fiber optics sensors, Structured optical fibers, Signal to noise ratio, Optical fibers, Coating, Spatial resolution

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Proceedings Article | 18 June 2021 Paper

Research on the distributed measurement of temperature based on Brillouin scattering effect using a single-photon detector

Rui Xu, Liwen Sheng, Jisong Yan, Ligong Li, Ming Yuan, Shubiao Li, Yuchao Fang, Baodong Yan, Qiang Han, Fushun Nian, Long Li

Proceedings Volume 11850, 1185003 (2021) https://doi.org/10.1117/12.2598786

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Proceedings Article | 8 January 2021 Paper

Research on the simultaneous distributed measurement of temperature and strain based on Brillouin scattering effect in communication optical fiber

Liwen Sheng, Ligong Li, Jinpeng Lang, Peng Li, Jie Dong, Ming Yuan, Jisong Yan, Zhiming Liu

Proceedings Volume 11607, 1160702 (2021) https://doi.org/10.1117/12.2582681

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Proceedings Article | 15 November 2018 Paper

High-gain amplification of weak signal based on stimulated Brillouin scattering in optical fiber

Liwen Sheng, Dexin Ba, Zhiwei Lu

Proceedings Volume 10964, 109642C (2018) https://doi.org/10.1117/12.2505758

KEYWORDS: Signal to noise ratio, Optical amplifiers, Scattering, Fiber amplifiers, Optical fibers, LIDAR, Fiber Bragg gratings, Laser scattering, Interference (communication), Single mode fibers

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Showing 5 of 7 publications

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