Title :
Compact quantum cascade laser based atmospheric CO2 sensor
Author :
Wang, E. ; So, S. ; Feng Xie ; Caneau, C. ; Chung-en Zah ; Wysocki, G.
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
We have developed a compact sensor system for environmental CO2 studies based on quantum cascade laser. The sensor targets the strongest fundamental CO2 ro-vibrational band at 4.24 μm and requires only 8 mm optical path to provide sensitivity of 2 ppm.
Keywords :
carbon compounds; environmental monitoring (geophysics); measurement by laser beam; optical sensors; quantum cascade lasers; CO2; atmospheric sensor; compact quantum cascade laser; ro-vibrational band; sensitivity; size 8 mm; wavelength 4.2 mum; Absorption; Distributed feedback devices; Fitting; Optical feedback; Optical sensors; Quantum cascade lasers; Sensor systems;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
