Combination of phase modulation and coding for SNR enhancement in distributed Brillouin sensors

A. Fernandez; Y. Mao; Chao Lu; J. Chi

doi:10.1049/el.2011.0440

Combination of phase modulation and coding for SNR enhancement in distributed Brillouin sensors

A. Fernandez, Y. Mao, Chao Lu, J. Chi

The Hong Kong Polytechnic University

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

5 Citations (Scopus)

Abstract

This reported work proposes and demonstrates the benefits of a phase-coded pump using Simplex code into a distributed strain sensor based on Brillouin optical-fibre time-domain analysis technique. It is considered that the experimental results show significant signal-to-noise ratio (SNR) enhancement provided by an increasing length of the phase-coded pump with short code length (7 to 31 bits), thus allowing for strain sensing over a 30m standard fibre with 1cm spatial resolution.

Original language	English
Pages (from-to)	509-510
Number of pages	2
Journal	Electronics Letters
Volume	47
Issue number	8
DOIs	https://doi.org/10.1049/el.2011.0440
Publication status	Published - 14 Apr 2011

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1049/el.2011.0440

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Combination of phase modulation and coding for SNR enhancement in distributed Brillouin sensors

Abstract

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