Compact Dual-Frequency Fiber Laser Accelerometer With Sub-μg Resolution

被引：1
|
作者：
Cao, Qian [1 ]
Jin, Long [1 ]
Liang, Yizhi [1 ]
Cheng, Linghao [1 ]
Guan, Bai-Ou [1 ]
机构：
[1] Jinan Univ, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Inst Photon Technol, Guangzhou 510632, Guangdong, Peoples R China
来源：
PHOTONIC SENSORS | 2016年 / 6卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Dual-frequency fiber lasers; fiber Bragg grating; photonic accelerometers;
D O I：
10.1007/s13320-016-0315-y
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We demonstrate a compact and high-resolution dual-polarization fiber laser accelerometer. A spring-mass like scheme is constructed by fixing a 10-gram proof mass on the laser cavity to transduce applied vibration into beat-frequency change. The loading is located at the intensity maximum of intracavity light to maximize the optical response. The detection limit reaches 107 ng/Hz(1/2) at 200 Hz. The working bandwidth ranges from 60 Hz to 600 Hz.
引用
收藏
页码：115 / 120
页数：6
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