Refractive index measurement with long-period gratings arc-induced in pure-silica-core fibres

被引：51
|
作者：
Rego, GM
Santos, JL
Salgado, HM
机构：
[1] IPVC, Escola Super Tecnol & Gestao, P-4900348 Viana Do Castelo, Portugal
[2] INESC Porto, UOSE, P-4169007 Oporto, Portugal
[3] FCUP, Dept Fis, P-4169007 Oporto, Portugal
[4] FEUP, Dept Engn Electrotecn & Comp, P-4200465 Oporto, Portugal
来源：
OPTICS COMMUNICATIONS | 2006年 / 259卷 / 02期
关键词：
refractive index measurement; optical fibre sensors; fibre gratings; long-period gratings;
D O I：
10.1016/j.optcom.2005.09.030
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have investigated the sensitivity of arc-induced long-period gratings to changes of ambient refractive index. Two pure-silica-core fibres with different cladding diameters and a standard fibre were used in this study. For a 6 x 10(-3) change of the refractive index, a 240 pm shift of the resonant wavelength was achieved with long-period gratings written in the 125 mu m cladding diameter pure-silica-core fibre. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：598 / 602
页数：5
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