A Compact Tunable Diode Laser Absorption Spectrometer to Monitor CO(2) at 2.7 μm Wavelength in Hypersonic Flows

Since the beginning of the Mars planet exploration, the characterization of carbon dioxide hypersonic flows to simulate a spaceship’s Mars atmosphere entry conditions has been an important issue. We have developed a Tunable Diode Laser Absorption Spectrometer with a new room-temperature operating an...

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Autores principales: Vallon, Raphäel, Soutadé, Jacques, Vérant, Jean-Luc, Meyers, Jason, Paris, Sébastien, Mohamed, Ajmal
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Molecular Diversity Preservation International (MDPI) 2010
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3247748/
https://www.ncbi.nlm.nih.gov/pubmed/22219703
http://dx.doi.org/10.3390/s100606081
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author Vallon, Raphäel
Soutadé, Jacques
Vérant, Jean-Luc
Meyers, Jason
Paris, Sébastien
Mohamed, Ajmal
author_facet Vallon, Raphäel
Soutadé, Jacques
Vérant, Jean-Luc
Meyers, Jason
Paris, Sébastien
Mohamed, Ajmal
author_sort Vallon, Raphäel
collection PubMed
description Since the beginning of the Mars planet exploration, the characterization of carbon dioxide hypersonic flows to simulate a spaceship’s Mars atmosphere entry conditions has been an important issue. We have developed a Tunable Diode Laser Absorption Spectrometer with a new room-temperature operating antimony-based distributed feedback laser (DFB) diode laser to characterize the velocity, the temperature and the density of such flows. This instrument has been tested during two measurement campaigns in a free piston tunnel cold hypersonic facility and in a high enthalpy arc jet wind tunnel. These tests also demonstrate the feasibility of mid-infrared fiber optics coupling of the spectrometer to a wind tunnel for integrated or local flow characterization with an optical probe placed in the flow.
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spelling pubmed-32477482012-01-04 A Compact Tunable Diode Laser Absorption Spectrometer to Monitor CO(2) at 2.7 μm Wavelength in Hypersonic Flows Vallon, Raphäel Soutadé, Jacques Vérant, Jean-Luc Meyers, Jason Paris, Sébastien Mohamed, Ajmal Sensors (Basel) Article Since the beginning of the Mars planet exploration, the characterization of carbon dioxide hypersonic flows to simulate a spaceship’s Mars atmosphere entry conditions has been an important issue. We have developed a Tunable Diode Laser Absorption Spectrometer with a new room-temperature operating antimony-based distributed feedback laser (DFB) diode laser to characterize the velocity, the temperature and the density of such flows. This instrument has been tested during two measurement campaigns in a free piston tunnel cold hypersonic facility and in a high enthalpy arc jet wind tunnel. These tests also demonstrate the feasibility of mid-infrared fiber optics coupling of the spectrometer to a wind tunnel for integrated or local flow characterization with an optical probe placed in the flow. Molecular Diversity Preservation International (MDPI) 2010-06-17 /pmc/articles/PMC3247748/ /pubmed/22219703 http://dx.doi.org/10.3390/s100606081 Text en © 2010 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Vallon, Raphäel
Soutadé, Jacques
Vérant, Jean-Luc
Meyers, Jason
Paris, Sébastien
Mohamed, Ajmal
A Compact Tunable Diode Laser Absorption Spectrometer to Monitor CO(2) at 2.7 μm Wavelength in Hypersonic Flows
title A Compact Tunable Diode Laser Absorption Spectrometer to Monitor CO(2) at 2.7 μm Wavelength in Hypersonic Flows
title_full A Compact Tunable Diode Laser Absorption Spectrometer to Monitor CO(2) at 2.7 μm Wavelength in Hypersonic Flows
title_fullStr A Compact Tunable Diode Laser Absorption Spectrometer to Monitor CO(2) at 2.7 μm Wavelength in Hypersonic Flows
title_full_unstemmed A Compact Tunable Diode Laser Absorption Spectrometer to Monitor CO(2) at 2.7 μm Wavelength in Hypersonic Flows
title_short A Compact Tunable Diode Laser Absorption Spectrometer to Monitor CO(2) at 2.7 μm Wavelength in Hypersonic Flows
title_sort compact tunable diode laser absorption spectrometer to monitor co(2) at 2.7 μm wavelength in hypersonic flows
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3247748/
https://www.ncbi.nlm.nih.gov/pubmed/22219703
http://dx.doi.org/10.3390/s100606081
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