Title :
Open path water vapor measurements using a chirped pulse MIR QCL sensor system
Author :
Lwin, Maung ; Castillo, Paulo ; Corrigan, Paul ; Gross, Barry ; Moshary, Fred ; Ahmed, Sam
Author_Institution :
Energy Dynamics Lab., Princeton Inst. for the Sci. & Technol. of Mater., Princeton, NJ, USA
Abstract :
An open path chirped pulse Quantum Cascade Laser system operating from 1900 cm-1 to 1902 cm-1 has been developed for water vapor measurements. QCL retrieval accuracies are shown to be significantly smaller than FTIR retrievals.
Keywords :
chirp modulation; gas sensors; infrared sources; quantum cascade lasers; remote sensing by laser beam; chirped pulse MIR QCL sensor; open-path water-vapor measurement; quantum cascade laser system; trace gas sensors; wave number 1900 cm-1 to 1902 cm-1; Absorption; Atmospheric measurements; Chirp; Fitting; Meteorology; Pollution measurement; Quantum cascade lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
