Title :
Long-wave infrared chemical sensing based on difference frequency generation in orientation-patterned GaAs
Author :
Bisson, S.E. ; Kulp, T.J. ; Levi, O. ; Harris, J. ; Fejer, M.M.
Author_Institution :
Sandia Nat. Labs., Livermore, CA
Abstract :
We have developed a broadly tunable, long-wave infrared difference frequency source based on orientation-patterned GaAs. The system has been applied to both cavity ring-down spectroscopy and multi-pass absorption for high specificity, high sensitivity chemical detection.
Keywords :
chemical sensors; gallium arsenide; infrared sources; infrared spectra; measurement by laser beam; optical frequency conversion; spectrochemical analysis; spectroscopic light sources; GaAs; broadly tunable source; cavity ring-down spectroscopy; difference frequency generation; high-sensitivity chemical detection; long-wave infrared chemical sensing; multipass absorption; orientation-patterned material; Chemicals; Electromagnetic wave absorption; Frequency; Gallium arsenide; Laboratories; Laser tuning; Nonlinear optics; Optical detectors; Spectroscopy; Tunable circuits and devices; 190.2620; 190.4400; 300.1030;
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.2006.4628333
