Prof. Junfeng Jiang Profile

Prof. Junfeng Jiang

at Tianjin Univ

SPIE Involvement:

Author

Publications (42)

Proceedings Article | 23 October 2018

A chirped fiber optic Bragg grating-based cutter of shield tunnel boring machine real time monitoring method

Wang Jin, Wanshan Zhu, Lei Jiang, Junfeng Jiang, Shuang Wang, Tiegen Liu

Proc. SPIE. 10821, Advanced Sensor Systems and Applications VIII

KEYWORDS: Refractive index, Fiber optics, Fiber Bragg gratings, Sensors, Calibration, Manufacturing, Structured optical fibers

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Proceedings Article | 23 October 2018

Research on wavelength demodulation method based on optical fiber Fabry-Perot tunable filter

Wanshan Zhu, Junfeng Jiang, Jin Wang, Tiegen Liu

Proc. SPIE. 10821, Advanced Sensor Systems and Applications VIII

KEYWORDS: Fabry–Perot interferometers, Fiber Bragg gratings, Sensors, Calibration, Demodulation, Data acquisition, Tunable filters

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Proceedings Article | 12 January 2018

Temporal overlap estimation based on interference spectrum in CARS microscopy

Yongning Zhang, Junfeng Jiang, Kun Liu, Can Huang, Shuang Wang, Xuezhi Zhang, Tiegen Liu

Proc. SPIE. 10620, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology

KEYWORDS: Photonic crystal fibers, Femtosecond phenomena, Microscopy, Raman spectroscopy, Nonlinear optics, CARS tomography, Optical solitons

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Proceedings Article | 10 January 2018

An MEMS optical fiber pressure sensor fabricated by Au-Au thermal-compression bonding

Xue Wang, Shuang Wang, Junfeng Jiang, Kun Liu, Mengnan Xiao, Xuejiao Chen, Daihua Zhang, Tiegen Liu

Proc. SPIE. 10618, 2017 International Conference on Optical Instruments and Technology: Advanced Optical Sensors and Applications

KEYWORDS: Fabrication, Microelectromechanical systems, Gold, Optical fibers, Sensors, Glasses, Silicon, Microopto electromechanical systems, Semiconducting wafers, Wafer bonding

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Proceedings Article | 10 January 2018

Double-sideband heterogeneous pulse modulation method for distributed acoustic sensing

Zhe Ma, Junfeng Jiang, Shuang Wang, Kun Liu, Wenjie Chen, Xuezhi Zhang, Zhenyang Ding, Tiegen Liu

Proc. SPIE. 10618, 2017 International Conference on Optical Instruments and Technology: Advanced Optical Sensors and Applications

KEYWORDS: Modulation, Modulators, Fiber optics sensors, Ocean optics, Frequency modulation, Sensing systems, Electro optics, Acoustics, Electrooptic modulators, Double sideband modulation

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Proceedings Article | 10 January 2018

A simple demodulation algorithm for optical SPR sensor based on all-phase low-pass filters

Jinying Ma, Yuzhen Cao, Kun Liu, Xiangdong Huang, Junfeng Jiang, Tao Wang, Meng Xue, Pengxiang Chang, Tiegen Liu

Proc. SPIE. 10618, 2017 International Conference on Optical Instruments and Technology: Advanced Optical Sensors and Applications

KEYWORDS: Optical filters, Refractive index, Surface plasmons, Biosensing, Biomedical optics, Sensors, Linear filtering, Demodulation, Fiber optics sensors, Sensing systems

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Proceedings Article | 14 November 2016

A study on frequency-shifted pulse light stability control for DP-MZM in coherent-OTDR

Wenjie Chen, Junfeng Jiang, Kun Liu, Zhe Ma, Shuang Wang, Xuezhi Zhang, Zhenyang Ding, Tiegen Liu

Proc. SPIE. 10025, Advanced Sensor Systems and Applications VII

KEYWORDS: Optical amplifiers, Modulation, Polarization, Sensors, Control systems, Modulators, Lab on a chip, Sensing systems, Particle swarm optimization, Signal detection

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Proceedings Article | 14 November 2016

Optical fiber refractometer based on tapered tilted-fiber Bragg grating

Tao Wang, Tiegen Liu, Kun Liu, Junfeng Jiang, Zhe Yu, Meng Xue

Proc. SPIE. 10025, Advanced Sensor Systems and Applications VII

KEYWORDS: Optical fibers, Refractive index, Fiber Bragg gratings, Cladding, Etching, Single mode fibers, Fiber optics sensors, Optoelectronics, Biological and chemical sensing, HF etching

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Proceedings Article | 14 November 2016

A gain compensation method for the long-range distributed fiber disturbance sensor

Chunyu Ma, Tiegen Liu, Kun Liu, Junfeng Jiang, Liang Pan, Tian Miao, Zhichen Li

Proc. SPIE. 10025, Advanced Sensor Systems and Applications VII

KEYWORDS: Signal to noise ratio, Mach-Zehnder interferometers, Sensors, Interferometry, Fiber optics sensors, Data acquisition, Signal processing, Sensing systems, Time-frequency analysis, Virtual colonoscopy

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Proceedings Article | 4 November 2016

Positioning accuracy enhanced distributed disturbance fiber sensing system employing modified TDE algorithm

Liang Pan, Tiegen Liu, Kun Liu, Junfeng Jiang, Chunyu Ma

Proc. SPIE. 10025, Advanced Sensor Systems and Applications VII

KEYWORDS: Sensors, Error analysis, Fourier transforms, Linear filtering, Fiber optics sensors, Data acquisition, Sensing systems, Spatial resolution, Environmental sensing, Resolution enhancement technologies

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Proceedings Article | 10 August 2015

Calibration auto-correction method in Raman distributed temperature sensing system using fiber coil configuration

Liang Pan, Tiegen Liu, Junfeng Jiang, Kun Liu, Qinnan Chen, Chunyu Ma

Proc. SPIE. 9620, 2015 International Conference on Optical Instruments and Technology: Optical Sensors and Applications

KEYWORDS: Avalanche photodetectors, Scattering, Calibration, Light scattering, Raman spectroscopy, Data acquisition, Sensing systems, Raman scattering, Spatial resolution, Temperature metrology

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Proceedings Article | 10 August 2015

On-line air-tightness and insertion loss simultaneous detection method of high air-tightness fiber optic penetration connector

Jingchuan Zhang, Xiaoning Yang, Jing Wang, Junfeng Jiang

Proc. SPIE. 9620, 2015 International Conference on Optical Instruments and Technology: Optical Sensors and Applications

KEYWORDS: Optical fibers, Fiber optics, Sensors, Spectroscopy, Connectors, Helium, Fiber optic communications, Fiber optics tests, Environmental sensing, Protactinium

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Proceedings Article | 10 August 2015

Rebar corrosion monitoring in concrete structure under salt water enviroment using fiber Bragg grating

Yuheng Pan, Tiegen Liu, Junfeng Jiang, Kun Liu, Shuang Wang, Pan He, Jinlin Yan

Proc. SPIE. 9620, 2015 International Conference on Optical Instruments and Technology: Optical Sensors and Applications

KEYWORDS: Optical fibers, Iron, Fiber optics, Fiber Bragg gratings, Sensors, Photography, Corrosion, Fiber optics sensors, Transmission electron microscopy, Optoelectronics

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Proceedings Article | 10 August 2015

A positioning algorithm for two-wavelength dual Mach-Zehnder interferometry vibration sensing system

Chunyu Ma, Tiegen Liu, Kun Liu, Junfeng Jiang, Qinnan Chen, Liang Pan, Tianjiao Chai, Chang He

Proc. SPIE. 9620, 2015 International Conference on Optical Instruments and Technology: Optical Sensors and Applications

KEYWORDS: Signal to noise ratio, Polarization, Backscatter, Interferometers, Error analysis, Interferometry, Interference (communication), Data acquisition, Sensing systems, Signal detection

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Proceedings Article | 13 March 2015

High spatial resolution distributed optical fiber magnetic field sensor based on magnetostriction by optical frequency-domain reflectometry

Yang Du, Tiegen Liu, Zhenyang Ding, Kun Liu, Bowen Feng, Junfeng Jiang

Proc. SPIE. 9369, Photonic Instrumentation Engineering II

KEYWORDS: Optical fibers, Thin films, Backscatter, Sensors, Magnetism, Single mode fibers, Reflectometry, Magnetic sensors, Spatial resolution, Magnetostrictive materials

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Proceedings Article | 17 November 2014

The effect of near-infrared laser beam on the surface modification of metal complex based on 3D laser scanning system

Mali Zhao, Tiegen Liu, Junfeng Jiang, Meng Wang