Remote sensing based on reflective bandpass long-period fiber grating and fiber ring laser

Leilei Shi; Tao Zhu; Qiang Zhang; Kin-Seng Chiang

doi:10.1117/12.970381

17 October 2012 Remote sensing based on reflective bandpass long-period fiber grating and fiber ring laser

Leilei Shi, Tao Zhu, Qiang Zhang, Kin-Seng Chiang

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 842149 (2012) https://doi.org/10.1117/12.970381
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

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.

Citation Download Citation

Leilei Shi, Tao Zhu, Qiang Zhang, and Kin-Seng Chiang "Remote sensing based on reflective bandpass long-period fiber grating and fiber ring laser", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842149 (17 October 2012); https://doi.org/10.1117/12.970381

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