DocumentCode :
688612
Title :
Sulfur dioxide detection using CW-DFB-QCL based quartz-enhanced photoacoustic spectroscopy
Author :
Waclawek, J.P. ; Lewicki, R. ; Moser, Harald ; Brandstetter, M. ; Tittel, Frank K. ; Lendl, Bernhard
Author_Institution :
Inst. of Chem. Technol. & Analytics, Vienna Univ. of Technol., Vienna, Austria
fYear :
2013
fDate :
9-14 June 2013
Firstpage :
1
Lastpage :
2
Abstract :
The development of a sensitive SO2 QEPAS based sensor platform employing a 140 mW CW-DFB-QCL will be reported. A detection limit of 75 ppbv (3σ) was achieved with a 1-sec averaging time for the 1380.94 cm-1 SO2 absorption line.
Keywords :
chemical sensors; distributed feedback lasers; measurement by laser beam; optical sensors; photoacoustic spectroscopy; quantum cascade lasers; spectrochemical analysis; sulphur compounds; CW-DFB-QCL based quartz-enhanced photoacoustic spectroscopy; SO2; SO2 absorption line; detection limit; power 140 mW; sensitive SO2 QEPAS based sensor platform; sulfur dioxide detection; time 1 s; Absorption; Computer architecture; Gas lasers; Optical sensors; Quantum cascade lasers; Spectroscopy; Water;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
Type :
conf
Filename :
6832987
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=688612
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