Title :
Trace HCN quantification using quartz enhanced photoacoustic spectroscopy
Author :
Kosterev, A.A. ; Tittel, F.K.
Author_Institution :
Rice Quantum Inst., Rice Univ., Houston, TX
Abstract :
Detection of trace HCN concentrations in dry nitrogen and ambient air was performed by means of quartz enhanced photoacoustic spectroscopy using a near-infrared DFB laser source. A normalized detection sensitivity of 2.5middot10-9 cm-1 W/radicHz was achieved.
Keywords :
chemical variables measurement; distributed feedback lasers; gas sensors; hydrogen compounds; measurement by laser beam; optical fibre couplers; photoacoustic spectroscopy; quartz; semiconductor lasers; spectrochemical analysis; ambient air; dry nitrogen; fiber-coupled sealed reference cell; near-infrared DFB laser source; normalized detection sensitivity; quartz enhanced photoacoustic spectroscopy; trace hydrogen cyanide concentration quantification; Absorption; Acoustic signal detection; Chemical lasers; Chemical sensors; Nitrogen; Optical fiber sensors; Optical resonators; Optical sensors; Spectroscopy; Water; (280.3420) Laser sensors; (300.6430) Spectroscopy, optoacoustic and thermo-optic;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4627590
