Prof. Jun He Profile

KEYWORDS: Fiber Bragg gratings, Vibration, Sensors, Ring lasers, Bragg wavelengths, Multicore fiber, Laser applications, Fiber lasers, Femtosecond phenomena, Reflectors

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Proceedings Article | 23 May 2023 Paper

Single-mode helical sapphire fiber Bragg grating for high-temperature sensing

Jun He, Jia He, Xizhen Xu, Xiaoyu Yin, Yiping Wang

Proceedings Volume 12643, 126433G (2023) https://doi.org/10.1117/12.2681899

KEYWORDS: Sapphire, Waveguides, Fiber Bragg gratings, Femtosecond phenomena, Fabrication, Bragg gratings, Reflection, Multimode fibers, Cladding, Refractive index

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Proceedings Article | 21 March 2023 Paper

Fabrication of high-power fiber Bragg grating in double-clad fiber by femtosecond laser plane-by-plane technology

Cailing Fu, Yu Fan, Changrui Liao, Jun He, Weijia Bao, Yiping Wang

Proceedings Volume 12595, 1259529 (2023) https://doi.org/10.1117/12.2669077

KEYWORDS: Fiber Bragg gratings, Femtosecond phenomena, Fabrication, Coating, Laser applications, Fiber lasers, Femtosecond fiber lasers, High power fiber lasers, Bragg wavelengths, Ultraviolet radiation

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Proceedings Article | 15 December 2022 Paper

Ultra-high-temperature sensor based on sapphire fiber Bragg grating

Jia He, He Li, Xizhen Xu, Jun He, Changrui Liao, Yiping Wang

Proceedings Volume 12478, 124784K (2022) https://doi.org/10.1117/12.2654961

KEYWORDS: Sensors, Sapphire, Temperature sensors, Packaging, Fiber Bragg gratings, Femtosecond phenomena, Reflection, Temperature metrology, Calibration, Reflectivity

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Proceedings Article | 15 December 2022 Paper

Highly birefringent cladding fiber Bragg grating for simultaneous torsion and strain sensing at high temperature

Baijie Xu, Jun He, Xizhen Xu, Kuikui Guo, Changrui Liao, Yiping Wang

Proceedings Volume 12478, 124784A (2022) https://doi.org/10.1117/12.2654940

KEYWORDS: Fiber Bragg gratings, Cladding, Birefringence, Polarization, Femtosecond phenomena, Temperature metrology, Single mode fibers, Refractive index, Reflectivity, Mechanical sensors

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Proceedings Article | 27 March 2022 Paper

Shape sensing using two outer cores of multi-core fiber based on OFDR

Yanjie Meng, Cailing Fu, Chao Du, Lin Chen, Huajian Zhong, Pengfei Li, Baijie Xu, Bin Du, Jun He, Yiping Wang

Proceedings Volume 12169, 1216939 (2022) https://doi.org/10.1117/12.2623636

KEYWORDS: Optical fibers, Optics manufacturing, Fiber Bragg gratings, Sensors, Sensing systems, Reflectometry, Optical sensing

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Proceedings Article | 31 August 2021 Paper

Femtosecond-laser-inscribed Fiber Bragg grating array for quasi-distributed high-temperature sensing

Baijie Xu, Jun He, Xizhen Xu, Jia He, Ziyong Chen, Yiping Wang

Proceedings Volume 11907, 119071Y (2021) https://doi.org/10.1117/12.2603067

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Proceedings Article | 23 October 2018 Paper

Fabrication of side-polished fiber Bragg grating for refractive index sensor

Kuikui Guo, Jun He, Yiping Wang

Proceedings Volume 10821, 108210G (2018) https://doi.org/10.1117/12.2502852

KEYWORDS: Fiber Bragg gratings, Polishing, Sensors, Single mode fibers, Liquids, Femtosecond phenomena, Refractive index, Cladding, Surface finishing, Fiber optics sensors

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Proceedings Article | 23 April 2017 Paper

Ultrafast laser-induced negative-index fiber Bragg gratings with enhanced thermal stability

Jun He, Changrui Liao, Kaiming Yang, Yiping Wang

Proceedings Volume 10323, 103235G (2017) https://doi.org/10.1117/12.2267526

KEYWORDS: Annealing, Fiber lasers, Modulation, Near infrared, Ultrafast phenomena, Fiber Bragg gratings, Femtosecond phenomena, Polarization, Reflectivity, Fiber optics sensors

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Proceedings Article | 28 September 2015 Paper

Femtosecond laser inscribed Bragg gratings in gold-coated fiber for space application

Qiaoni Wang, Yuanhong Yang, Jun He, Yiping Wang

Proceedings Volume 9634, 963460 (2015) https://doi.org/10.1117/12.2191975

KEYWORDS: Fiber Bragg gratings, Femtosecond phenomena, Reflectivity, Temperature metrology, Near infrared, Sensors, Ultraviolet radiation, Reflection, Oxygen, Chemical species

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Proceedings Article | 1 July 2015 Paper

Pattern matching based smart interrogation algorithm for fiber Bragg gratings inscribed by femtosecond laser

Qiaoni Wang, Yuanhong Yang, Jun He, Yiping Wang

Proceedings Volume 9655, 96552W (2015) https://doi.org/10.1117/12.2184047

KEYWORDS: Fiber Bragg gratings, Femtosecond phenomena, Reliability, Single mode fibers, Temperature metrology, Near infrared, Computer simulations, Sensors, Detection and tracking algorithms, Error analysis

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Proceedings Article | 1 July 2015 Paper

Ultrahigh-sensitivity temperature sensor based on in-fiber Fabry-Perot interferometer

Kaiming Yang, Jun He, Shen Liu, Changrui Liao, Ying Wang, Bing Sun, Guolu Yin, Zhengyong Li, Xiaoyong Zhong, Yiping Wang

Proceedings Volume 9655, 96553W (2015) https://doi.org/10.1117/12.2184464

KEYWORDS: Silica, Sensors, Temperature sensors, Mercury, Temperature metrology, Single mode fibers, Fiber optics sensors, Fabry–Perot interferometry, Fusion splicing, Environmental sensing

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Proceedings Article | 1 July 2015 Paper

Ultra-sensitive temperature sensor based on liquid crystal infiltrated photonic crystal fibers

Bing Sun, Yijian Huang, Chao Wang, Jun He, Changrui Liao, Guolu Yin, Jiangtao Zhou, Shen Liu, Jing Zhao, Yiping Wang

Proceedings Volume 9655, 96551W (2015) https://doi.org/10.1117/12.2184227

KEYWORDS: Liquid crystals, Photonic crystal fibers, Temperature sensors, Refractive index, Temperature metrology, Liquids, Single mode fibers, Silica, Microfluidics, Fabrication

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Proceedings Article | 2 June 2014 Paper

Improved arc discharge technique for inscribing compact long period fiber gratings

Guolu Yin, Yiping Wang, Changrui Liao, Jiangtao Zhou, Xiaoyong Zhong, Shen Liu, Qiao Wang, Zhengyong Li, Bing Sun, Jun He, Guanjun Wang

Proceedings Volume 9157, 91577X (2014) https://doi.org/10.1117/12.2059261

KEYWORDS: Fusion splicing, Signal attenuation, Cladding, Optical fibers, Carbon dioxide lasers, Electrodes, Fabrication, Fiber optics sensors, Optical filters, Phase matching

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Proceedings Article | 2 June 2014 Paper

Temperature-insensitive strain sensor based on in-line Fabry-Perot interferometer

Yiping Wang, Shen Liu, Changrui Liao, Zhengyong Li, Qiao Wang, Guolu Yin, Jun He, Bing Sun, Jing Zhao, Jian Tang

Proceedings Volume 9157, 915725 (2014) https://doi.org/10.1117/12.2059414

KEYWORDS: Sensors, Fabry–Perot interferometry, Single mode fibers, Liquids, Refractive index, Fusion splicing, Optical fibers, Fiber optics, Femtosecond phenomena, Silica

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Showing 5 of 19 publications

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