High-resolution measurement of fiber length by using a mode-locked fiber laser configuration

被引：25
|
作者：
Hu, Y. L. [1 ]
Zhan, L. [1 ]
Zhang, Z. X. [1 ]
Luo, S. Y. [1 ]
Xia, Y. X. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Inst Opt & Photon, Dept Phys, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China
来源：
OPTICS LETTERS | 2007年 / 32卷 / 12期
关键词：
D O I：
10.1364/OL.32.001605
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple method to precisely measure fiber length has been experimentally demonstrated by using a mode-locked fiber laser configuration. Since the transit time in a cavity is exactly proportional to the cavity length, it is easy to obtain the fiber length from the generation of mode-locked pulses in the fiber laser with a long-range nonlinear optical loop mirror that includes the measured fiber. Our new method has a large measurement range, over hundreds of kilometers, and a high resolution, of the order of centimeters, as well as no measurement dead zone. (c) 2007 Optical Society of America.
引用
收藏
页码：1605 / 1607
页数：3
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