Title :
Continuously tunable compact single-mode quantum cascade laser source for chemical sensing
Author :
Lee, Benjamin G. ; Belkin, Mikhail A. ; MacArthur, Jim ; Audet, Ross M. ; Diehl, Laurent ; Pflugl, Christian ; Capasso, Federico ; Bour, David ; Corzine, Scott ; Hofler, Gloria
Author_Institution :
Sch. of Eng. & Appl. Sci., Harvard Univ., Cambridge, MA
Abstract :
We demonstrate a compact, single-mode quantum cascade laser source continuously tunable over 8% of its center wavelength of 9 mum. We integrate the source into a compact mid-infrared spectrometer for absorption spectroscopy of liquids and gases.
Keywords :
chemical sensors; infrared sources; infrared spectrometers; laser modes; laser tuning; quantum cascade lasers; remote sensing by laser beam; spectrochemical analysis; spectroscopic light sources; absorption spectroscopy; chemical sensing; compact laser source; continuously tunable laser; midinfrared spectrometer; quantum cascade laser; single-mode laser source; wavelength 9 mum; Chemical lasers; Distributed feedback devices; Laser feedback; Laser tuning; Optical arrays; Optical materials; Quantum cascade lasers; Quantum dot lasers; Spectroscopy; Tunable circuits and devices; (140.3070) Infrared and far-infrared lasers; (140.3490) Lasers, distributed-feedback;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
