Title :
Sensitive Wavelength Modulation Spectroscopy of Ethane using a Mid-Infrared Interband Cascade Laser
Author :
Parameswaran, Krishnan R. ; Wainner, Richard T. ; Rosen, David I. ; Sonnenfroh, David M. ; Allen, Mark G.
Author_Institution :
Phys. Sci. Inc., Andover
Abstract :
Detection of ethane in breath will enable non-invasive monitoring of oxidative stress status. We present ethane absorption measurements using wavelength modulation spectroscopy and show that concentrations below 1 ppb can be detected with cavity enhancement.
Keywords :
chemical sensors; infrared spectra; measurement by laser beam; modulation spectra; organic compounds; oxidation; spectrochemical analysis; ethane absorption measurements; ethane detection; mid-infrared interband cascade laser; oxidative stress monitoring; sensitive wavelength modulation spectroscopy; Atmospheric measurements; Electromagnetic wave absorption; Frequency measurement; Length measurement; Quantum cascade lasers; Remote monitoring; Spectroscopy; Stress; Tunable circuits and devices; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452375
