Fiber grating laser pressure sensor

Jianhua Luo; Bo Liu; Shaolin Yan; Shuzhong Yuan

doi:10.1117/12.802834

11 November 2008 Fiber grating laser pressure sensor

Jianhua Luo, Bo Liu, Shaolin Yan, Shuzhong Yuan

Proceedings Volume 7134, Passive Components and Fiber-based Devices V; 71343S (2008) https://doi.org/10.1117/12.802834
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

In this paper, a pressure sensor based on distributed Bragg reflector (DBR) fiber laser was reported. The laser was operated in single longitudinal mode. For the longitudinal-mode has two orthogonal polarizations, external press on the cavity would induce birefringence. It can be used to sense external pressure by measuring the beat frequency shift of polarization mode. After theoretical derivation and experimental verification, the sensing characteristics of the laser were shown in detail.

Citation Download Citation

Jianhua Luo, Bo Liu, Shaolin Yan, and Shuzhong Yuan "Fiber grating laser pressure sensor", Proc. SPIE 7134, Passive Components and Fiber-based Devices V, 71343S (11 November 2008); https://doi.org/10.1117/12.802834

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