Limitation of absorption-based fiber optic gas sensors by coherent reflections

Wei Jin; G. Stewart; W. Philp; B. Culshaw; M. S. Demokan

doi:10.1364/AO.36.006251

Limitation of absorption-based fiber optic gas sensors by coherent reflections

Wei Jin, G. Stewart, W. Philp, B. Culshaw, M. S. Demokan

The Hong Kong Polytechnic University

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

20 Citations (Scopus)

Abstract

We report the noise limitation of fiber optic gas sensors with highly coherent laser sources. Interference between signal and reflected waves causes signal fluctuation in the output; this limits the performance of the sensing system. Sensor resolutions limited by coherent reflections are calculated and compared with experimental results.

Original language	English
Pages (from-to)	6251-6255
Number of pages	5
Journal	Applied Optics
Volume	36
Issue number	25
DOIs	https://doi.org/10.1364/AO.36.006251
Publication status	Published - 1 Sept 1997

Keywords

Coherent reflections
Fiber optic sensors
Gas sensors
Interferometric noise

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

More information

10.1364/AO.36.006251

http://hdl.handle.net/10397/6509

Cite this

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title = "Limitation of absorption-based fiber optic gas sensors by coherent reflections",

abstract = "We report the noise limitation of fiber optic gas sensors with highly coherent laser sources. Interference between signal and reflected waves causes signal fluctuation in the output; this limits the performance of the sensing system. Sensor resolutions limited by coherent reflections are calculated and compared with experimental results.",

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AU - Culshaw, B.

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AB - We report the noise limitation of fiber optic gas sensors with highly coherent laser sources. Interference between signal and reflected waves causes signal fluctuation in the output; this limits the performance of the sensing system. Sensor resolutions limited by coherent reflections are calculated and compared with experimental results.

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KW - Fiber optic sensors

KW - Gas sensors

KW - Interferometric noise

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JF - Applied Optics

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Limitation of absorption-based fiber optic gas sensors by coherent reflections

Abstract

Keywords

ASJC Scopus subject areas

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