Title :
Optimizations for simultaneous detection of atmospheric N2O and CO with a quantum cascade laser
Author :
Tao, Lei ; Sun, Kang ; Miller, David J. ; Khan, M. Amir ; Zondlo, Mark A.
Author_Institution :
Dept. of Civil & Environ. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
A QCL laser based open-path sensor for atmospheric N2O/CO achieves a sensitivity of 0.26 ppbv of N2O and 0.24 ppbv of CO in 1 s. Optimizations including dual modulation amplitudes and inline reference cell have been performed with WMS.
Keywords :
Absorption; Frequency modulation; Laser tuning; Quantum cascade lasers; Temperature measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-4673-1839-6