Title :
Fast wavelength tuning of external cavity quantum cascade lasers
Author :
Tsai, Tracy ; Wysocki, Gerard
Author_Institution :
Electr. Eng. Dept., Princeton Univ., Princeton, NJ, USA
Abstract :
We present a fast wavelength tuning of a Littrow-type EC-QCL. This configuration allows for coarse broadband and high resolution mode-hop-free wavelength scanning at >1 kHz rates. Example EC-QCL measurements of mid-infrared ammonia spectra are demonstrated.
Keywords :
laser cavity resonators; laser modes; laser tuning; quantum cascade lasers; Littrow-type EC-QCL measurement; coarse broadband wavelength scanning; external cavity quantum cascade laser; fast wavelength tuning; high-resolution mode-hop-free wavelength scanning; mid-infrared ammonia spectra; Atmospheric measurements; Chemical lasers; Laser modes; Laser tuning; Mirrors; Performance evaluation; Prototypes; Quantum cascade lasers; Spectroscopy; Tunable circuits and devices; (140.3600) Lasers, tunable; (140.5965) Semiconductor lasers, quantum cascade; (300.6340) Spectroscopy, infrared;
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