Quantum cascade laser-based analyzer for hydrogen sulfide detection at sub-parts-per-million levels

Michal Nikodem; Karol Krzempek; Dorota Stachowiak; Gerard Wysocki

doi:10.1117/1.OE.57.1.011019

Quantum cascade laser-based analyzer for hydrogen sulfide detection at sub-parts-per-million levels

Michal Nikodem, Karol Krzempek, Dorota Stachowiak, Gerard Wysocki

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

10 Scopus citations

Abstract

Due to its high toxicity, monitoring of hydrogen sulfide (H₂S) concentration is essential in many industrial sites (such as natural gas extraction sites, petroleum refineries, geothermal power plants, or waste water treatment facilities), which require sub-parts-per-million sensitivities. We report on a quantum cascade laserbased spectroscopic system for detection of H₂S in the midinfrared at ~7.2 μm. We present a sensor design utilizing Herriott multipass cell and a wavelength modulation spectroscopy to achieve a detection limit of 140 parts per billion for 1-s integration time.

Original language	English (US)
Article number	011019
Journal	Optical Engineering
Volume	57
Issue number	1
DOIs	https://doi.org/10.1117/1.OE.57.1.011019
State	Published - 2018

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
General Engineering

Keywords

Hydrogen sulfide
Laser spectroscopy
Molecular spectroscopy
Quantum cascade laser
Wavelength modulation spectroscopy

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10.1117/1.OE.57.1.011019

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title = "Quantum cascade laser-based analyzer for hydrogen sulfide detection at sub-parts-per-million levels",

abstract = "Due to its high toxicity, monitoring of hydrogen sulfide (H2S) concentration is essential in many industrial sites (such as natural gas extraction sites, petroleum refineries, geothermal power plants, or waste water treatment facilities), which require sub-parts-per-million sensitivities. We report on a quantum cascade laserbased spectroscopic system for detection of H2S in the midinfrared at ~7.2 μm. We present a sensor design utilizing Herriott multipass cell and a wavelength modulation spectroscopy to achieve a detection limit of 140 parts per billion for 1-s integration time.",

keywords = "Hydrogen sulfide, Laser spectroscopy, Molecular spectroscopy, Quantum cascade laser, Wavelength modulation spectroscopy",

author = "Michal Nikodem and Karol Krzempek and Dorota Stachowiak and Gerard Wysocki",

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AU - Nikodem, Michal

AU - Krzempek, Karol

AU - Stachowiak, Dorota

AU - Wysocki, Gerard

N1 - Publisher Copyright: © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

PY - 2018

Y1 - 2018

N2 - Due to its high toxicity, monitoring of hydrogen sulfide (H2S) concentration is essential in many industrial sites (such as natural gas extraction sites, petroleum refineries, geothermal power plants, or waste water treatment facilities), which require sub-parts-per-million sensitivities. We report on a quantum cascade laserbased spectroscopic system for detection of H2S in the midinfrared at ~7.2 μm. We present a sensor design utilizing Herriott multipass cell and a wavelength modulation spectroscopy to achieve a detection limit of 140 parts per billion for 1-s integration time.

AB - Due to its high toxicity, monitoring of hydrogen sulfide (H2S) concentration is essential in many industrial sites (such as natural gas extraction sites, petroleum refineries, geothermal power plants, or waste water treatment facilities), which require sub-parts-per-million sensitivities. We report on a quantum cascade laserbased spectroscopic system for detection of H2S in the midinfrared at ~7.2 μm. We present a sensor design utilizing Herriott multipass cell and a wavelength modulation spectroscopy to achieve a detection limit of 140 parts per billion for 1-s integration time.

KW - Hydrogen sulfide

KW - Laser spectroscopy

KW - Molecular spectroscopy

KW - Quantum cascade laser

KW - Wavelength modulation spectroscopy

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Quantum cascade laser-based analyzer for hydrogen sulfide detection at sub-parts-per-million levels

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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