Radio frequency interrogated actively mode-locked fiber ring laser for sensing application

被引：7
|
作者：
Huang, Jie [1 ]
Lan, Xinwei [1 ]
Wei, Tao [1 ]
Han, Qun [1 ,2 ]
Gao, Zhan [1 ]
Zhou, Zhi [3 ]
Xiao, Hai [1 ]
机构：
[1] Missouri Univ Sci & Technol, Dept Elect & Comp Engn, Rolla, MO 65409 USA
[2] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
[3] Dalian Univ Technol, Sch Civil Engn, Dalian 116024, Peoples R China
来源：
OPTICS LETTERS | 2012年 / 37卷 / 04期
关键词：
SENSOR; STRAIN;
D O I：
10.1364/OL.37.000494
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper proposes an actively mode-locked fiber ring laser for sensing applications. Mode-locking of the laser is achieved by driving an electro-optic amplitude modulator at an RF corresponding to the fundamental beat frequency between the longitudinal modes. The change of the cavity length produces a frequency comb around the beat frequencies. The frequency separation of the comb is found to be linearly proportional to the cavity length change. The sensing mechanism of the device is shown. Temperature measurement is demonstrated using the proposed actively mode-locked fiber ring laser. (C) 2012 Optical Society of America
引用
收藏
页码：494 / 496
页数：3
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