Highly Sensitive Tapered Fiber Mach-Zehnder Interferometer for Liquid Level Sensing

被引：38

作者：

Hsu, Jui-Ming ^{[1
]}

Lee, Cheng-Ling ^{[1
]}

Chang, Hun-Pin ^{[1
]}

Shih, Wen Cheng ^{[1
]}

Li, Chai-Ming ^{[1
]}

机构：

[1] Natl United Univ, Dept Electroopt Engn, Miaoli 360, Taiwan

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2013年 / 25卷 / 14期

关键词：

Optical fiber sensors; optical interferometry; fiber Mach-Zehnder interferometer (FMZI); fiber-optics component; SENSOR;

D O I：

10.1109/LPT.2013.2265738

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A low cost, simple, and in-line liquid level sensor based on a dual-tapered fiber Mach-Zehnder interferometer (DTFMZI) is proposed. In this letter, the configuration, operation principle, experimental results, and discussion for the proposed fiber-optic liquid level sensor are investigated. Experimental results show that the proposed DTFMZI sensor is highly sensitive and linear in the response; a good sensitivity of similar to 2.8 nm/cm within the whole measurement range of 10 cm is achieved in this letter.

引用

页码：1354 / 1357

页数：4

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