Title :
Sub-ppb monitoring of NO using wavelength modulation spectroscopy with a thermo-electrically cooled, cw QCL
Author :
Moeskops, B.W.M. ; Cristescu, S.M. ; Harren, F.J.M.
Author_Institution :
Dept. of Mol. & Laser Phys., Radboud Univ. Nijmegen, Nijmegen
Abstract :
We used a thermo-electrically cooled, continuous-wave, quantum cascade laser with wavelength modulation spectroscopy for the detection of nitric oxide at sub-part-per-billion volume (ppbv) . The minimal detectable absorption achieved is 9 times 10-9 cm-1Hz-frac12.
Keywords :
modulation spectroscopy; nitrogen compounds; quantum cascade lasers; NO; continuous wave quantum cascade laser; sub part per billion volume; sub-ppb monitoring; thermo electrically cooled; wavelength modulation spectroscopy; Electromagnetic wave absorption; Frequency; Infrared spectra; Laser theory; Monitoring; Optical modulation; Optical sensors; Physics; Quantum cascade lasers; Spectroscopy; 280.1120; 300.6360;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4627635
