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Proceedings Paper

Fiber grating laser pressure sensor
Author(s): Jianhua Luo; Bo Liu; Shaolin Yan; Shuzhong Yuan
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Paper 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.

Paper Details

Date Published: 11 November 2008
PDF: 5 pages
Proc. SPIE 7134, Passive Components and Fiber-based Devices V, 71343S (11 November 2008); doi: 10.1117/12.802834
Show Author Affiliations
Jianhua Luo, Nankai Univ. (China)
Bo Liu, Nankai Univ. (China)
Shaolin Yan, Nankai Univ. (China)
Shuzhong Yuan, Nankai Univ. (China)

Published in SPIE Proceedings Vol. 7134:
Passive Components and Fiber-based Devices V
Ming-Jun Li; Ping Shum; Ian H. White; Xingkun Wu, Editor(s)

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