Fiber-optic acoustic pressure sensor based on large-area nanolayer silver diaghragm

被引：194

作者：

Xu, Feng ^{[1
]}

Shi, Jinhui ^{[1
]}

Gong, Kui ^{[1
]}

Li, Hefei ^{[1
]}

Hui, Rongqing ^{[2
]}

Yu, Benli ^{[1
]}

机构：

[1] Anhui Univ, Sch Phys & Mat Sci, Hefei 230039, Peoples R China

[2] Univ Kansas, Dept Elect Engn & Comp Sci, Lawrence, KS 66045 USA

来源：

OPTICS LETTERS | 2014年 / 39卷 / 10期

基金：

中国国家自然科学基金;

关键词：

GRAPHENE DIAPHRAGM;

D O I：

10.1364/OL.39.002838

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A fiber-optic acoustic pressure sensor based on a large-area nanolayer silver diaphragm is demonstrated with a high dynamic pressure sensitivity of 160 nm/Pa at 4 kHz frequency. The sensor exhibits a noise limited detectable pressure level of 14.5 mu Pa/Hz(1/2). Its high dynamic pressure sensitivity and simple fabrication process make it an attractive tool for acoustic sensing and photo-acoustic spectroscopy. (C) 2014 Optical Society of America

引用

页码：2838 / 2840

页数：3

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