Title :
Spectral characterization of a near-room temperature continuous wave quantum cascade laser for nitric oxide detection at 5.5 μm
Author :
Nelson, David D. ; McManus, J. Barry ; Herndon, Scott C. ; Shorter, Joanne ; Zahniser, Mark S. ; Blaser, Stéphane ; Hvozdara, Lubos ; Muller, Antoine
Author_Institution :
Aerodyne Res. Inc., Billerica, MA
Abstract :
We report power, line width and mode purity for a cw 5.5 mum quantum cascade laser at -26 C. We detect atmospheric NO with high sensitivity (0.5 ppb Hz-1/2) using rapid sweep, direct absorption spectroscopy.
Keywords :
atmospheric optics; chemical variables measurement; measurement by laser beam; nitrogen compounds; quantum cascade lasers; spectrochemical analysis; NO; atmospheric nitric oxide detection; direct absorption spectroscopy; near room temperature CW quantum cascade laser; spectral characterization; temperature -26 C; temperature 293 K to 298 K; wavelength 5.5 mum; Absorption; Gas lasers; Laser modes; Laser noise; Laser stability; Laser tuning; Optical pulses; Power lasers; Quantum cascade lasers; Temperature; (010.1120) Air pollution monitoring; (140.5960) Semiconductor lasers;
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.2006.4627637
