Refractive Index Sensor Based On An Abrupt Taper Michelson Interferometer In a Single-Mode Fiber

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Authors

Tian, Zhaobing
Yam, Scott S.-H.
Loock, Hans-Peter

Date

2016-03-21

Type

journal article

Language

en

Keyword

Refractive Index Sensor , Taper Michelson Interferometer , Single-Mode Fiber

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Abstract

A simple refractive index sensor based on a Michelson interferometer in a single-mode fiber is constructed and demonstrated. The sensor consists of a single symmetrically abrupt taper region in a short piece of single-mode fiber that is terminated by ∼500nm thick gold coating. The sensitivity of the new sensor is similar to that of a long-period-grating-type sensor, and its ease of fabrication offers a low-cost alternative to current sensing applications.

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ISSN

0146-9592

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