Title :
Enhancing wavelength selection for Quantum Cascade laser based chemical sensors by cavity length variation
Author :
Young, Christina ; Cendejas, Richard ; Howard, Scott S. ; Sanchez-Vaynshteyn, Wendy ; Hoffman, Anthony J. ; Franz, Kale J. ; Yao, Yu ; Mizaikoff, Boris ; Wang, Xiaojun ; Fan, Jenyu ; Gmachl, Claire F.
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
Varying quantum cascade laser cavity length results in gain peak selection across a 118 cm-1 range; a result of a change in threshold voltage, and applied electric field as a function of cavity length.
Keywords :
chemical sensors; laser beams; laser cavity resonators; quantum cascade lasers; cavity length variation; chemical sensor; electric field; gain peak selection; quantum cascade laser; threshold voltage; wave number 118 cm-1; wavelength selection; Absorption; Biomedical optical imaging; Chemical sensors; Frequency; Laser transitions; Laser tuning; Optical design; Optical sensors; Quantum cascade lasers; Stimulated emission; (130.6010) Sensors; (140.5965) Semiconductor lasers, quantum cascade;
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
