Open-path quantum cascade laser-based system for simultaneous remote sensing of methane, nitrous oxide, and water vapor using chirped-pulse differential optical absorption spectroscopy

Paulo Castillo; Adrian Diaz; Benjamin Thomas; Barry Gross; Fred Moshary

doi:10.1117/12.2195169

Open-path quantum cascade laser-based system for simultaneous remote sensing of methane, nitrous oxide, and water vapor using chirped-pulse differential optical absorption spectroscopy

Paulo Castillo, Adrian Diaz, Benjamin Thomas, Barry Gross, Fred Moshary

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Methane and Nitrous Oxide are long-lived greenhouse gases in the atmosphere with significant global warming effects. We report on application of chirped-pulsed quantum cascade lasers (QCLs) to simultaneous measurements of these trace gases in both open-path fence-line and backscatter systems. The intra-pulse thermal frequency chip in a QCL can be time resolved and calibrated to allow for high resolution differential optical absorption spectroscopy over the spectral window of the chip, which for a DFB-QCL can be reach ∼ 2cm^-1 for a 500 nsec pulse. The spectral line-shape of the output from these lasers are highly stable from pulse to pulse over long period of time (> 1 day), and the system does not require frequent calibrations.

Original language	English (US)
Title of host publication	Remote Sensing of Clouds and the Atmosphere XX
Editors	Evgueni I. Kassianov, Richard H. Picard, Klaus Schafer, Adolfo Comeron, Konradin Weber
Publisher	SPIE
Volume	9640
ISBN (Electronic)	9781628418507
DOIs	https://doi.org/10.1117/12.2195169
State	Published - Jan 1 2015
Externally published	Yes
Event	Remote Sensing of Clouds and the Atmosphere XX - Toulouse, France Duration: Sep 23 2015 → Sep 24 2015

Other

Other	Remote Sensing of Clouds and the Atmosphere XX
Country/Territory	France
City	Toulouse
Period	9/23/15 → 9/24/15

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.2195169

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Castillo, P., Diaz, A., Thomas, B., Gross, B., & Moshary, F. (2015). Open-path quantum cascade laser-based system for simultaneous remote sensing of methane, nitrous oxide, and water vapor using chirped-pulse differential optical absorption spectroscopy. In E. I. Kassianov, R. H. Picard, K. Schafer, A. Comeron, & K. Weber (Eds.), Remote Sensing of Clouds and the Atmosphere XX (Vol. 9640). Article 96400P SPIE. https://doi.org/10.1117/12.2195169

Castillo, Paulo ; Diaz, Adrian ; Thomas, Benjamin et al. / Open-path quantum cascade laser-based system for simultaneous remote sensing of methane, nitrous oxide, and water vapor using chirped-pulse differential optical absorption spectroscopy. Remote Sensing of Clouds and the Atmosphere XX. editor / Evgueni I. Kassianov ; Richard H. Picard ; Klaus Schafer ; Adolfo Comeron ; Konradin Weber. Vol. 9640 SPIE, 2015.

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title = "Open-path quantum cascade laser-based system for simultaneous remote sensing of methane, nitrous oxide, and water vapor using chirped-pulse differential optical absorption spectroscopy",

abstract = "Methane and Nitrous Oxide are long-lived greenhouse gases in the atmosphere with significant global warming effects. We report on application of chirped-pulsed quantum cascade lasers (QCLs) to simultaneous measurements of these trace gases in both open-path fence-line and backscatter systems. The intra-pulse thermal frequency chip in a QCL can be time resolved and calibrated to allow for high resolution differential optical absorption spectroscopy over the spectral window of the chip, which for a DFB-QCL can be reach ∼ 2cm-1 for a 500 nsec pulse. The spectral line-shape of the output from these lasers are highly stable from pulse to pulse over long period of time (> 1 day), and the system does not require frequent calibrations.",

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booktitle = "Remote Sensing of Clouds and the Atmosphere XX",

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note = "Remote Sensing of Clouds and the Atmosphere XX ; Conference date: 23-09-2015 Through 24-09-2015",

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Castillo, P, Diaz, A, Thomas, B, Gross, B & Moshary, F 2015, Open-path quantum cascade laser-based system for simultaneous remote sensing of methane, nitrous oxide, and water vapor using chirped-pulse differential optical absorption spectroscopy. in EI Kassianov, RH Picard, K Schafer, A Comeron & K Weber (eds), Remote Sensing of Clouds and the Atmosphere XX. vol. 9640, 96400P, SPIE, Remote Sensing of Clouds and the Atmosphere XX, Toulouse, France, 9/23/15. https://doi.org/10.1117/12.2195169

Open-path quantum cascade laser-based system for simultaneous remote sensing of methane, nitrous oxide, and water vapor using chirped-pulse differential optical absorption spectroscopy. / Castillo, Paulo; Diaz, Adrian; Thomas, Benjamin et al.
Remote Sensing of Clouds and the Atmosphere XX. ed. / Evgueni I. Kassianov; Richard H. Picard; Klaus Schafer; Adolfo Comeron; Konradin Weber. Vol. 9640 SPIE, 2015. 96400P.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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T1 - Open-path quantum cascade laser-based system for simultaneous remote sensing of methane, nitrous oxide, and water vapor using chirped-pulse differential optical absorption spectroscopy

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AU - Diaz, Adrian

AU - Thomas, Benjamin

AU - Gross, Barry

AU - Moshary, Fred

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N2 - Methane and Nitrous Oxide are long-lived greenhouse gases in the atmosphere with significant global warming effects. We report on application of chirped-pulsed quantum cascade lasers (QCLs) to simultaneous measurements of these trace gases in both open-path fence-line and backscatter systems. The intra-pulse thermal frequency chip in a QCL can be time resolved and calibrated to allow for high resolution differential optical absorption spectroscopy over the spectral window of the chip, which for a DFB-QCL can be reach ∼ 2cm-1 for a 500 nsec pulse. The spectral line-shape of the output from these lasers are highly stable from pulse to pulse over long period of time (> 1 day), and the system does not require frequent calibrations.

AB - Methane and Nitrous Oxide are long-lived greenhouse gases in the atmosphere with significant global warming effects. We report on application of chirped-pulsed quantum cascade lasers (QCLs) to simultaneous measurements of these trace gases in both open-path fence-line and backscatter systems. The intra-pulse thermal frequency chip in a QCL can be time resolved and calibrated to allow for high resolution differential optical absorption spectroscopy over the spectral window of the chip, which for a DFB-QCL can be reach ∼ 2cm-1 for a 500 nsec pulse. The spectral line-shape of the output from these lasers are highly stable from pulse to pulse over long period of time (> 1 day), and the system does not require frequent calibrations.

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Castillo P, Diaz A, Thomas B, Gross B, Moshary F. Open-path quantum cascade laser-based system for simultaneous remote sensing of methane, nitrous oxide, and water vapor using chirped-pulse differential optical absorption spectroscopy. In Kassianov EI, Picard RH, Schafer K, Comeron A, Weber K, editors, Remote Sensing of Clouds and the Atmosphere XX. Vol. 9640. SPIE. 2015. 96400P doi: 10.1117/12.2195169

Open-path quantum cascade laser-based system for simultaneous remote sensing of methane, nitrous oxide, and water vapor using chirped-pulse differential optical absorption spectroscopy

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