Title :
Mid-infrared detection of atmospheric CH4, N2O and H2O based on a single continuous wave quantum cascade laser
Author :
Lei Dong ; Yingchun Cao ; Sanchez, Nancy P. ; Griffin, Robert J. ; Tittel, Frank K.
Author_Institution :
Dept. of Electr. & Comput. Eng., Rice Univ., Houston, TX, USA
Abstract :
A continuous wave, distributed feedback quantum cascade laser based absorption system was developed and demonstrated for simultaneous atmospheric CH4, N2O and H2O detection, with minimum detection limits below 2% of their typical atmospheric concentrations.
Keywords :
distributed feedback lasers; gas sensors; measurement by laser beam; nitrogen compounds; optical sensors; organic compounds; quantum cascade lasers; water; H2O; N2O; atmospheric concentrations; continuous wave distributed feedback quantum cascade laser based absorption system; detection limits; mid-infrared detection; Absorption; Atmospheric measurements; Atmospheric waves; Gas detectors; Optical sensors; Quantum cascade lasers; Water;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
