Title :
Near-infrared QEPAS sensor for trace ethylene monitoring at atmospheric pressure
Author :
Schilt, Stephane ; Kosterev, Anatoliy A. ; Tittel, Frank K.
Author_Institution :
IR Microsyst. SA, PSE-C, Lausanne
Abstract :
A sensor based on quartz enhanced photoacoustic spectroscopy was evaluated for the detection of trace levels of ethylene at atmospheric pressure using a fiber coupled DFB diode laser probing an absorption peak at 6177.15 cm-1.
Keywords :
atmospheric pressure; chemical sensors; fibre optic sensors; infrared detectors; infrared spectroscopy; photoacoustic spectroscopy; remote sensing by laser beam; spectrochemical analysis; QEPAS sensor; atmospheric pressure; fiber coupled DFB diode laser probing; near-infrared sensor; pressure 1 atm; quartz enhanced photoacoustic spectroscopy; trace ethylene monitoring; wave number 6177.15 cm-1; Absorption; Diode lasers; Fiber lasers; Infrared sensors; Laser tuning; Monitoring; Optical fiber sensors; Optical sensors; Spectroscopy; Thermal sensors; (280.3420) Laser sensors; (300.6430) Spectroscopy, optoacoustic and thermo-optic;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
