Refractometric sensor based on a phase-shifted long-period fiber grating

被引：64

作者：

Falate, Rosane

Frazao, Orlando

Rego, Gaspar

Fabris, Jose Luis

Santos, Jose Luis

机构：

[1] Univ Tecnol Fed Parana, BR-80230901 Curitiba, Parana, Brazil

[2] INESC, Unidade Optoelect & Sistemas Elect, P-4169007 Oporto, Portugal

[3] Escola Super Tecnol Gestao, Inst Politecn Viana Castelo, P-4900348 Viana Do Castelo, Portugal

[4] Univ Tecnol Fed Parana, BR-80230901 Curitiba, Parana, Brazil

[5] Univ Porto, Dept Fis, Fac Ciencias, P-4169007 Oporto, Portugal

来源：

APPLIED OPTICS | 2006年 / 45卷 / 21期

关键词：

D O I：

10.1364/AO.45.005066

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A refractometric sensor based on a phase-shifted long-period fiber grating written by electric-arc discharges is presented. Transmission and reflective configurations for refractive index measurements are studied. It is observed that the reflective topology permits better performance compared with the transmission one, which is the approach normally utilized in the context of long-period fiber sensing. The resolution achieved in the measurement of refractive index enables the application of this sensing head structure in demanding situations, such as the measurement of the level of salinity of water. (c) 2006 Optical Society of America.

引用

收藏

页码：5066 / 5072

页数：7

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