Micro Extrinsic Fiber-Optic Fabry-Perot Interferometric Sensor Based on Erbium- and Boron-Doped Fibers

被引：10

作者：

Rao Yun-Jiang ^{[1
]}

Xu Bing ^{[1
]}

Ran Zeng-Ling ^{[1
]}

Gong Yuan ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Minist Educ, Key Lab Broadband Opt Fiber Transmiss & Commun Ne, Chengdu 610054, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2010年 / 27卷 / 02期

基金：

中国国家自然科学基金;

关键词：

PRESSURE SENSOR; FEMTOSECOND LASER; STRAIN; TEMPERATURE; DIAPHRAGM;

D O I：

10.1088/0256-307X/27/2/024208

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Micro extrinsic Fabry-Perot interferometers (MEFPIs), with cavity lengths of up to similar to 9 mu m and maximum fringe contrast of similar to 19 dB, are fabricated by chemically etching Er- and B-doped optical fibers and then splicing the etched fiber to a single-mode fiber, for the first time to the best of our knowledge. The strain and temperature responses of the MEFPI sensors are investigated experimentally. Good linearity and high sensitivity are achieved. Such a type of MEFPI sensor is cost-effective and suitable for mass production, indicating its great potential for a wide range of applications.

引用

页数：3

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