Long-distance fiber-optic point sensing systems based on random fiber lasers,

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Teaching and Research Group:光纤传感与器件

Journal:Optics Express

Key Words:random lasing, fiber Bragg grating, Rayleigh scattering, Raman amplification, fiber-optic sensing

Abstract:The novel concept of utilizing the second-order random fiber laser (RFL) to realize long-distance fiber-optic pointsensing systems is proposed. The sensing system consists of a pump laser, a fiber Bragg grating (FBG) at the pump side and 100km single mode fiber (SMF), and another FBG at the end of the SMF. The first FBG is used to enhance the lasing efficiency, and the second FBG is use as the remotely-located sensing head. The Bragg wavelengths of the two FBGs correspond to the first-order and the second-order random lasing spectrum, respectively. Its ability for remote temperature sensing is

Note:Optics Express, 20(16), pp. 17695–17700, 2012.

All the Authors:Weili Zhang, Xinhong Jia, Yun Jiang, Peiyun Li, Han Wu, Yunjiang Rao,Zinan Wang

First Author:Zinan Wang

Indexed by:Unit Twenty Basic Research

Correspondence Author:Zinan Wang

Discipline:Engineering

First-Level Discipline:Optical engineering

Volume:20

Issue:16

Page Number:17695–17700

Translation or Not:no

Date of Publication:2012-10-17

Date of Publication:2012-10-17