Sensing of multimode-fiber strain by a dynamic photorefractive hologram

被引：15

作者：

Di Girolamo, Salvatore

Kamshilin, Alexei A.

Romashko, Roman V.

Kulchin, Yuriy N.

Launay, Jean C.

机构：

[1] Univ Kuopio, Dept Phys, FIN-70211 Kuopio, Finland

[2] FEB RAS, Inst Automat & Control Proc, Optoelect Lab, Vladivostok 690041, Russia

[3] Univ Bordeaux 1, CNRS, Inst Condensed Matter & Chem Bordeaux, F-33608 Pessac, France

来源：

OPTICS LETTERS | 2007年 / 32卷 / 13期

关键词：

D O I：

10.1364/OL.32.001821

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a strain sensor in which a multimode fiber is used as a sensitive element. High sensitivity to dynamic strains is achieved by means of vectorial wave mixing in a photorefractive CdTe:V crystal. It was found that the largest source of noise in our sensor is related to the instability of the polarization state of speckles emerging from the fiber. This noise is significantly diminished in fiber with a core of large diameter (550 mu m). (c) 2007 Optical Society of America.

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页码：1821 / 1823

页数：3

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