High-sensitivity fiber-tip pressure sensor with graphene diaphragm

Jun Ma; Wei Jin; Hoi Lut Ho; Jiyan Dai

doi:10.1364/OL.37.002493

High-sensitivity fiber-tip pressure sensor with graphene diaphragm

Jun Ma, Wei Jin, Hoi Lut Ho, Jiyan Dai

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

297 Citations (Scopus)

Abstract

A miniature fiber-tip pressure sensor was built by using an extremely thin graphene film as the diaphragm. The graphene also acts as a light reflector, which, in conjunction with the reflection at the fiber end-air interface, forms a low finesse Fabry-Perot interferometer. The graphene based sensor demonstrated pressure sensitivity over 39.4 nm/kPa with a diaphragm diameter of 25 μm. The use of graphene as diaphragm material would allow highly sensitive and compact fiber-tip sensors.

Original language	English
Pages (from-to)	2493-2495
Number of pages	3
Journal	Optics Letters
Volume	37
Issue number	13
DOIs	https://doi.org/10.1364/OL.37.002493
Publication status	Published - 1 Jul 2012

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.37.002493

http://hdl.handle.net/10397/5646

Cite this

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High-sensitivity fiber-tip pressure sensor with graphene diaphragm

Abstract

ASJC Scopus subject areas

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