DocumentCode
2019786
Title
Recent advances of trace gas sensors based on diode and quantum cascade lasers
Author
Tittel, Frank K. ; Kosterev, Anatoliy A. ; Bakhirkin, Yury A. ; Wysocki, Gerard ; Roller, Chad B. ; So, Stephen ; Weidmann, Damien ; Horstjann, Markus ; Curl, Robert F.
Author_Institution
Rice Quantum Inst., Rice Univ., Houston, TX, USA
Volume
2
fYear
2004
fDate
7-11 Nov. 2004
Firstpage
559
Abstract
Diode and quantum cascade lasers can be used for trace gas detection in ambient air based on absorption and photoacoustic spectroscopy. Advances in spectroscopic detection techniques have resulted in minimum detectable absorbances of 10-5 in several applications.
Keywords
gas sensors; photoacoustic spectroscopy; quantum cascade lasers; remote sensing by laser beam; spectrochemical analysis; absorption spectroscopy; detectable absorbances; diode lasers; photoacoustic spectroscopy; quantum cascade lasers; trace gas detection; trace gas sensors; Absorption; Acoustic signal detection; Diodes; Distributed feedback devices; Gas detectors; Gas lasers; Laser feedback; Laser transitions; Quantum cascade lasers; Spectroscopy;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics Society, 2004. LEOS 2004. The 17th Annual Meeting of the IEEE
Print_ISBN
0-7803-8557-8
Type
conf
DOI
10.1109/LEOS.2004.1363361
Filename
1363361
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