Welding-packaged accelerometer based on metal-coated FBG

被引：44

作者：

Guo, Yongxing ^{[1
,2
]}

Zhang, Dongsheng ^{[1
,2
]}

Zhou, Zude ^{[1
]}

Xiong, Li ^{[1
]}

Deng, Xiwang ^{[1
]}

机构：

[1] Wuhan Univ Technol, Natl Engn Lab Fiber Opt Sensing Technol, Wuhan 430070, Peoples R China

[2] Wuhan Univ Technol, Key Lab Fiber Opt Sensing Technol & Informat Proc, Wuhan 430070, Peoples R China

来源：

CHINESE OPTICS LETTERS | 2013年 / 11卷 / 07期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.3788/COL201311.070604

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A fiber Bragg grating-based accelerometer with a fully metalized package is presented. Magnetron sputtering and electroplating techneques are successively adopted to metalize bare SiO2 fiber with a single Bragg grating. Laser welding techneque is adopted to fix the metal-coated fiber on the sensor component to obtain a fully metallized package without adhesives. Vibration test results demonstrate that the accelerometer has a flat frequency response over a 1-kHz bandwidth, with a resonance frequency of 3.6 kHz, wide linear measurement range of up to 8 g, and sensitivity of 1.7 pm/g.

引用

页数：3

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