Title :
CO and CH4 sensing with single mode 2.3 µm GaSb-based VCSEL
Author :
Chen, J. ; Hangauer, A. ; Bachmann, A. ; Lim, T. ; Kashani, K. ; Strzoda, R. ; Amann, M.-C.
Author_Institution :
Corp. Technol., Power & Sensor Syst., Siemens AG, Munich, Germany
Abstract :
Successful application of recently developed GaSb-based single-mode vertical-cavity surface-emitting lasers for gas-sensing at 2.3 mum is reported. CO and CH4 have been detected simultaneously using wavelength modulation spectroscopy with a multi-line curve fit concept.
Keywords :
III-V semiconductors; carbon compounds; gallium compounds; gas sensors; laser stability; measurement by laser beam; modulation spectroscopy; organic compounds; remote sensing by laser beam; semiconductor lasers; spectroscopic light sources; surface emitting lasers; CO; GaSb; GaSb-based VCSEL; gas-sensing; vertical-cavity surface-emitting lasers; wavelength 2.3 mum; wavelength modulation spectroscopy; Vertical cavity surface emitting lasers; 140.7260 (Vertical cavity surface emitting lasers); 300.6260 (Spectroscopy, diode lasers);
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
