Dr. Fei Liu Profile

Dr. Fei Liu

at Tsinghua Univ

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 25 October 2017 Paper

Distributed acoustic sensing technique and its field trial in SAGD well

Li Han, Xiangge He, Yong Pan, Fei Liu, Duo Yi, Chengjun Hu, Min Zhang, Lijuan Gu

Proceedings Volume 10464, 104642K (2017) https://doi.org/10.1117/12.2285742

KEYWORDS: Acoustics, Heterodyning, Demodulation

Read Abstract +

Proceedings Article | 27 April 2017 Paper

Real-time phase demodulation and data administration of distributed optical fiber vibration sensing system

Mengzhe Qin, Xiangge He, Fei Liu, Xiaoping Zheng, Min Zhang

Proceedings Volume 10208, 1020810 (2017) https://doi.org/10.1117/12.2262061

KEYWORDS: Demodulation, Optical fibers, Sensing systems, Heterodyning, Optimization (mathematics), Algorithm development, MATLAB, Single mode fibers, Video, Spatial resolution, Optical filters

Read Abstract +

Proceedings Article | 23 April 2017 Paper

Phase-sensitive optical time-domain reflectometry with heterodyne demodulation

Xiangge He, Fei Liu, Mengzhe Qin, Shan Cao, Lijuan Gu, Xiaoping Zheng, Min Zhang

Proceedings Volume 10323, 103235Q (2017) https://doi.org/10.1117/12.2262071

KEYWORDS: Demodulation, Heterodyning, Reflectometry, Single mode fibers, Bragg cells, Signal detection, Neodymium, Data acquisition, Ferroelectric materials, Ocean optics

Read Abstract +

Proceedings Article | 23 April 2017 Paper

A new measurement scheme for delay parameters in TDM fiber optic interferometric sensor network

Fei Liu, Xiaokang Qiu, Bin Xie, Lijuan Gu, Xiaoping Zheng, Min Zhang

Proceedings Volume 10323, 103231N (2017) https://doi.org/10.1117/12.2255876

KEYWORDS: Signal to noise ratio, Time division multiplexing, Interferometry, Fiber optics sensors, Sensors, Fiber optics, Fiber optics tests, Sensor networks, Multiplexing, Interference (communication)

Read Abstract +

Proceedings Article | 23 April 2017 Paper

A new fiber optic accelerometer with push-pull structure using 3x3 coupler

Xiaokang Qiu, Fei Liu, Bin Xie, Hongpu Zhou, Duo Yi, Xiangge He, Xiaoping Zheng, Min Zhang

Proceedings Volume 10323, 1032394 (2017) https://doi.org/10.1117/12.2267495

KEYWORDS: Fiber optics, Sensors, Fiber optics tests, Phase shift keying, Demodulation, Interferometry, Fiber amplifiers, Calibration, Signal to noise ratio, Mirrors

Read Abstract +

SPIE Journal Paper | 23 November 2016 Open Access

Influence of stimulated Brillouin scattering on positioning accuracy of long-range dual Mach–Zehnder interferometric vibration sensors

Xiangge He, Shangran Xie, Shan Cao, Fei Liu, Xiaoping Zheng, Min Zhang, Han Yan, Guocai Chen

OE, Vol. 55, Issue 11, 116111, (November 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.11.116111

KEYWORDS: Signal to noise ratio, Optical fibers, Scattering, Interference (communication), Interferometry, Sensors, Interferometers, Sensing systems, Single mode fibers, Stochastic processes

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 10 August 2015 Paper

Field test of two 16-element fiber optic seismometer arrays

Fei Liu, Xiaofei Wang, Xiaodong Wang, Wanyu Zhu, Lixi Fu, Min Zhang

Proceedings Volume 9620, 962016 (2015) https://doi.org/10.1117/12.2193460

KEYWORDS: Sensors, Fiber optics, Demodulation, Fiber optics tests, Multiplexing, Heterodyning, Acoustics, Fiber optics sensors, Fourier transforms, Wavelength division multiplexing

Read Abstract +

Showing 5 of 7 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years