Nonlinear fiber-optic strain sensor based on four-wave mixing in microstructured optical fiber

被引：47

作者：

Gu, Bobo ^{[1
,2
]}

Yuan, Wu ^{[1
]}

Frosz, Michael H. ^{[3
]}

Zhang, A. Ping ^{[2
]}

He, Sailing ^{[2
]}

Bang, Ole ^{[1
]}

机构：

[1] Tech Univ Denmark, DTU Foton, Dept Photon Engn, DK-2800 Lyngby, Denmark

[2] Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310058, Zhejiang, Peoples R China

[3] Max Planck Inst Sci Light, D-91058 Erlangen, Germany

来源：

OPTICS LETTERS | 2012年 / 37卷 / 05期

关键词：

PHOTONIC CRYSTAL FIBERS; REFRACTIVE-INDEX;

D O I：

10.1364/OL.37.000794

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a nonlinear fiber-optic strain sensor, which uses the shifts of four-wave mixing Stokes and anti-Stokes peaks caused by the strain-induced changes in the structure and refractive index of a microstructured optical fiber. The sensor thus uses the inherent nonlinearity of the fiber and does not require any advanced post-processing of the fiber. Strain sensitivity of -0.23 pm/mu epsilon is achieved experimentally and numerical simulations reveal that for the present fiber the sensitivity can be increased to -4.46 pm/mu epsilon by optimizing the pump wavelength and power. (C) 2012 Optical Society of America

引用

页码：794 / 796

页数：3

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