Localized Chemical Detection in Quasi-Distributed Multi-Node Fiber-Ring Network

Michal Nikodem; Gerard Wysocki

doi:10.1109/JLT.2018.2859830

Localized Chemical Detection in Quasi-Distributed Multi-Node Fiber-Ring Network

Michal Nikodem, Gerard Wysocki

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Laser-based molecular spectroscopy plays an important role in chemical analysis and gas detection. Here we present how optical spectroscopy can be combined with quasi-distributed fiber-based passive sensing networks. Simultaneous gas detection and localization is demonstrated using photothermal interferometry at 1.55 μm. With heterodyne-based signal retrieval sensor node position can be determined through measurement of phase/time delay of photothermal signal. This is performed using simple and passive network configuration. Proof-of-concept experiments are presented in which distance resolving power of approximately 5 meters was achieved with 1 second integration time. System performance, limitations, and capabilities are analyzed and discussed.

Original language	English (US)
Article number	8419245
Pages (from-to)	5921-5926
Number of pages	6
Journal	Journal of Lightwave Technology
Volume	36
Issue number	24
DOIs	https://doi.org/10.1109/JLT.2018.2859830
State	Published - Dec 15 2018

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

Keywords

Distributed sensing
molecular spectroscopy
optical sensors

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10.1109/JLT.2018.2859830

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abstract = "Laser-based molecular spectroscopy plays an important role in chemical analysis and gas detection. Here we present how optical spectroscopy can be combined with quasi-distributed fiber-based passive sensing networks. Simultaneous gas detection and localization is demonstrated using photothermal interferometry at 1.55 μm. With heterodyne-based signal retrieval sensor node position can be determined through measurement of phase/time delay of photothermal signal. This is performed using simple and passive network configuration. Proof-of-concept experiments are presented in which distance resolving power of approximately 5 meters was achieved with 1 second integration time. System performance, limitations, and capabilities are analyzed and discussed.",

keywords = "Distributed sensing, molecular spectroscopy, optical sensors",

author = "Michal Nikodem and Gerard Wysocki",

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AU - Nikodem, Michal

AU - Wysocki, Gerard

PY - 2018/12/15

Y1 - 2018/12/15

N2 - Laser-based molecular spectroscopy plays an important role in chemical analysis and gas detection. Here we present how optical spectroscopy can be combined with quasi-distributed fiber-based passive sensing networks. Simultaneous gas detection and localization is demonstrated using photothermal interferometry at 1.55 μm. With heterodyne-based signal retrieval sensor node position can be determined through measurement of phase/time delay of photothermal signal. This is performed using simple and passive network configuration. Proof-of-concept experiments are presented in which distance resolving power of approximately 5 meters was achieved with 1 second integration time. System performance, limitations, and capabilities are analyzed and discussed.

AB - Laser-based molecular spectroscopy plays an important role in chemical analysis and gas detection. Here we present how optical spectroscopy can be combined with quasi-distributed fiber-based passive sensing networks. Simultaneous gas detection and localization is demonstrated using photothermal interferometry at 1.55 μm. With heterodyne-based signal retrieval sensor node position can be determined through measurement of phase/time delay of photothermal signal. This is performed using simple and passive network configuration. Proof-of-concept experiments are presented in which distance resolving power of approximately 5 meters was achieved with 1 second integration time. System performance, limitations, and capabilities are analyzed and discussed.

KW - Distributed sensing

KW - molecular spectroscopy

KW - optical sensors

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Localized Chemical Detection in Quasi-Distributed Multi-Node Fiber-Ring Network

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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