Detection of acoustic pressure with hollow-core photonic bandgap fiber

被引：37
|
作者：
Pang, Meng [1 ]
Jin, Wei [1 ]
机构：
[1] Hong Kong Polytech Univ, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 13期
关键词：
SENSITIVITY; SENSORS;
D O I：
10.1364/OE.17.011088
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the results of our preliminary investigation on the use of hollow-core photonic bandgap fiber (HC-PBF) for hydrophone application. The response of the commercial HC-1550-02 fiber to acoustic pressure, in terms of normalized responsivity (NR), is measured to be -334.4dB re 1 mu Pa-1. This agrees well with the theoretically predicated value of -331.6dB re 1 mu Pa-1 and is about 15dB higher than that of the conventional fiber (HNSM-155). With straightforward fiber structure modifications ( thinner outer silica cladding and higher air-filling ratio of inner microstructured cladding), the NR could be further enhanced to -310dB re 1 mu Pa-1. (C) 2009 Optical Society of America
引用
收藏
页码：11088 / 11097
页数：10
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