Title :
High sensitivity detection of NO2 using ICOS and MLIAS
Author :
Karpf, Andreas ; Rao, Gottipaty N.
Author_Institution :
Dept. of Phys., Adelphi Univ., Garden City, NY, USA
Abstract :
Employing an external cavity QCL and using OA-ICOS and multiple line integrated absorption spectroscopy techniques, we report an effective sensitivity of detection of ~28 ppt for NO2 in Zero-Air.
Keywords :
chemical variables measurement; environmental monitoring (geophysics); laser cavity resonators; measurement by laser beam; nitrogen compounds; pollution measurement; quantum cascade lasers; spectrochemical analysis; MLIAS; NO2; OA-ICOS; external cavity QCL; high sensitivity detection; multiple line integrated absorption spectroscopy technique; off axis integrated cavity output spectroscopy; quantum cascade laser; trace gas detection; Absorption; Cavity resonators; Laser transitions; Laser tuning; Quantum cascade lasers; Sensitivity; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4