A Compact Fiber-Tip Micro-Cavity Sensor for High-Pressure Measurement

Jun Ma; Jian Ju; Long Jin; Wei Jin

doi:10.1109/LPT.2011.2164060

A Compact Fiber-Tip Micro-Cavity Sensor for High-Pressure Measurement

Jun Ma, Jian Ju, Long Jin, Wei Jin

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

137 Citations (Scopus)

Abstract

A novel fiber-tip micro-cavity pressure sensor was fabricated by use of a fusion splicer and a pressurizing gas chamber. The fabrication process is simple and efficient without the need for careful cleaving, chemical etching, and bonding. Micro-cavities with wall thickness of a few micrometers demonstrated a pressure sensitivity of ~315 pm/MPa. The sensors have compact size, good mechanic strength, and high temperature stability up to 600 °C, and may be potentially used for pressure sensing in a high-temperature environment.

Original language	English
Pages (from-to)	1561-1563
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	23
Issue number	21
DOIs	https://doi.org/10.1109/LPT.2011.2164060
Publication status	Published - 1 Jan 2011

Keywords

Fiber tip
high-pressure sensing
interferometric sensor
micro-cavity

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2011.2164060

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A Compact Fiber-Tip Micro-Cavity Sensor for High-Pressure Measurement

Abstract

Keywords

ASJC Scopus subject areas

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