Thermoelectrically cooled quantum–cascade–laser–based sensor for the continuous monitoring of ambient atmospheric carbon monoxide

Anatoliy A. Kosterev; Frank K. Tittel; Rüdeger Köhler; Claire Gmachl; Federico Capasso; Deborah L. Sivco; Alfred Y. Cho; Shawn Wehe; Mark G. Allen

doi:10.1364/AO.41.001169

Thermoelectrically cooled quantum–cascade–laser–based sensor for the continuous monitoring of ambient atmospheric carbon monoxide

Anatoliy A. Kosterev, Frank K. Tittel, Rüdeger Köhler, Claire Gmachl, Federico Capasso, Deborah L. Sivco, Alfred Y. Cho, Shawn Wehe, Mark G. Allen

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

73 Scopus citations

Abstract

We report the first application of a thermoelectrically cooled, distributed–feedback quantum–cascade laser for continuous spectroscopic monitoring of CO in ambient air at a wavelength of 4.6 μm. A noiseequivalent detection limit of 12 parts per billion was demonstrated experimentally with a 102–cm optical pathlength and a 2.5–min data acquisition time at a 10–kHz pulsed–laser repetition rate. This sensitivity corresponds to a standard error in fractional absorbance of 3 × 10^-5.

Original language	English (US)
Pages (from-to)	1169-1173
Number of pages	5
Journal	Applied Optics
Volume	41
Issue number	6
DOIs	https://doi.org/10.1364/AO.41.001169
State	Published - Feb 20 2002
Externally published	Yes

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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10.1364/AO.41.001169

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abstract = "We report the first application of a thermoelectrically cooled, distributed–feedback quantum–cascade laser for continuous spectroscopic monitoring of CO in ambient air at a wavelength of 4.6 μm. A noiseequivalent detection limit of 12 parts per billion was demonstrated experimentally with a 102–cm optical pathlength and a 2.5–min data acquisition time at a 10–kHz pulsed–laser repetition rate. This sensitivity corresponds to a standard error in fractional absorbance of 3 × 10-5.",

author = "Kosterev, {Anatoliy A.} and Tittel, {Frank K.} and R{\"u}deger K{\"o}hler and Claire Gmachl and Federico Capasso and Sivco, {Deborah L.} and Cho, {Alfred Y.} and Shawn Wehe and Allen, {Mark G.}",

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AU - Kosterev, Anatoliy A.

AU - Tittel, Frank K.

AU - Köhler, Rüdeger

AU - Gmachl, Claire

AU - Capasso, Federico

AU - Sivco, Deborah L.

AU - Cho, Alfred Y.

AU - Wehe, Shawn

AU - Allen, Mark G.

PY - 2002/2/20

Y1 - 2002/2/20

N2 - We report the first application of a thermoelectrically cooled, distributed–feedback quantum–cascade laser for continuous spectroscopic monitoring of CO in ambient air at a wavelength of 4.6 μm. A noiseequivalent detection limit of 12 parts per billion was demonstrated experimentally with a 102–cm optical pathlength and a 2.5–min data acquisition time at a 10–kHz pulsed–laser repetition rate. This sensitivity corresponds to a standard error in fractional absorbance of 3 × 10-5.

AB - We report the first application of a thermoelectrically cooled, distributed–feedback quantum–cascade laser for continuous spectroscopic monitoring of CO in ambient air at a wavelength of 4.6 μm. A noiseequivalent detection limit of 12 parts per billion was demonstrated experimentally with a 102–cm optical pathlength and a 2.5–min data acquisition time at a 10–kHz pulsed–laser repetition rate. This sensitivity corresponds to a standard error in fractional absorbance of 3 × 10-5.

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Thermoelectrically cooled quantum–cascade–laser–based sensor for the continuous monitoring of ambient atmospheric carbon monoxide

Abstract

All Science Journal Classification (ASJC) codes

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