Title :
Detection of trace amounts of NO2 using frequency modulated off-axis cavity ring-down spectroscopy
Author :
Karpf, Andreas ; Rao, Gottipaty N.
Author_Institution :
Adelphi Univ., Garden City, NY, USA
Abstract :
Detection of NO2 at the ppb-level is demonstrated using a vibration-insensitive variation of cavity ring-down spectroscopy. Modulating the laser frequency and off-axis alignment simplify the detector making it more suitable for in-situ monitoring.
Keywords :
Absorption; Cavity resonators; Frequency modulation; Laser modes; Quantum cascade lasers; Ring lasers; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-4673-1839-6
