Title :
Open-path high sensitivity atmospheric ammonia sensing with a 9 µm quantum cascade laser
Author :
Miller, David J. ; Zondlo, Mark A.
Author_Institution :
Dept. of Civil & Environ. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
We develop a ground-based, non-cryogenic, open-path quantum cascade laser ammonia sensor operating at 9.06μm for high sensitivity atmospheric measurements. A cylindrical mirror multi-pass optical cell and wavelength modulation spectroscopy allow for pptv detection limits.
Keywords :
ammonia; gas sensors; modulation spectroscopy; quantum cascade lasers; cylindrical mirror multi-pass optical cell; high sensitivity atmospheric measurements; non-cryogenic; open-path high sensitivity atmospheric ammonia sensing; open-path quantum cascade laser ammonia sensor; pptv detection limits; wavelength 9.06 mum; wavelength modulation spectroscopy; Absorption; Atmospheric measurements; Calibration; Instruments; Interference; Mirrors; Optical filters; Optical sensors; Quantum cascade lasers; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
