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Proceedings Paper

Remote sensing based on reflective bandpass long-period fiber grating and fiber ring laser
Author(s): Leilei Shi; Tao Zhu; Qiang Zhang; Kin-Seng Chiang
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Paper Abstract

A remote sensing system based on bandpass long-period fiber grating (LPFG) and fiber ring laser is proposed in this paper. The reflective bandpass LPFG is fabricated by fusion splicing a piece of hollow core fiber (HCF) to the LPFG. And the fiber ring laser is employed to narrow the line-width of the bandpass LPFG and realize remote sensing. As an application example, a temperature experiment is conducted at the spot more than 1 km away from the fiber ring laser. The experimental results show that such a sensor has a sensitivity of 0.0254nm/°C within the range of 20-150°C.

Paper Details

Date Published: 17 October 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842149 (17 October 2012); doi: 10.1117/12.970381
Show Author Affiliations
Leilei Shi, Chongqing Univ. (China)
Tao Zhu, Chongqing Univ. (China)
Qiang Zhang, Chongqing Univ. (China)
Kin-Seng Chiang, City Univ. of Hong Kong (Hong Kong, China)


Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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