Title :
A widely tunable chirped-grating distributed-feedback laser for spectroscopic applications
Author :
Xue, Liang ; Brueck, S.R.J. ; Kaspi, R.
Author_Institution :
ECE Dept., Univ. of New Mexico, Albuquerque, NM, USA
Abstract :
A 65-nm quasi-continuous tuning range is reported for a 3.5-mm-wide optically pumped type-II chirped-grating distributed-feedback laser at 3.2 mum. Methane absorption spectra demonstrate the utility of this source for atmospheric-pressure molecular spectroscopy.
Keywords :
chirp modulation; diffraction gratings; distributed feedback lasers; laser tuning; measurement by laser beam; optical pumping; semiconductor lasers; atmospheric-pressure molecular spectroscopy; distributed-feedback laser; methane absorption spectra; optically pumped type-II laser; quasi-continuous tuning range; size 3.5 mm; wavelength 3.2 mum; wavelength 65 nm; widely tunable chirped-grating; Absorption; Chirp; Laser applications; Laser excitation; Laser tuning; Optical pumping; Optical tuning; Pump lasers; Spectroscopy; Tunable circuits and devices; (140.3070) Infrared and far-infrared lasers; (140.3490) Lasers, distributed-feedback;
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