Theoretical and experimental study on etched fiber Bragg grating cladding mode resonances for ambient refractive index sensing

被引：35

作者：

Chen, Na ^{[1
]}

Yun, Binfeng ^{[1
]}

Wang, Yiping ^{[1
]}

Cui, Yiping ^{[1
]}

机构：

[1] Southeast Univ, Adv Photon Ctr, Elect Sci & Engn Coll, Nanjing 210096, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2007年 / 24卷 / 03期

关键词：

D O I：

10.1364/JOSAB.24.000439

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The theoretical model of etched fiber Bragg grating (FBG) backward cladding-mode resonances for ambient refractive index sensing is presented. The dependent behaviors of the mode resonances have been analyzed in the etching process and the ambient refractive index changed. The analysis is based on the classical coupling-mode theory while considering interactions among multiple modes and developed on a three-layer step-index fiber geometry. Experimental data match the theoretical model wonderfully. This model not only describes the relationship between the FBG backward cladding-mode resonances and the ambient index but also is valuable for the design of a flexible highly sensitive ambient index sensor. (c) 2007 Optical Society of America.

引用

页码：439 / 445

页数：7

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