Title :
Subkilohertz-narrowed, frequency/phase-locked mid-IR quantum cascade lasers for high-precision molecular spectroscopy
Author :
Cappelli, F. ; Bartalini, S. ; Cancio, P. ; Galli, I. ; Giusfredi, G. ; Mazzotti, D. ; De Natale, P.
Author_Institution :
Eur. Lab. for Nonlinear Spectrosc. (LENS), Ist. Naz. di Ottica (INO), Sesto Fiorentino, Italy
Abstract :
We narrow QCL radiation below 1 kHz by using two different techniques: frequency locking to a molecular transition and phase locking to an absolutely-referenced difference-frequency-generated source. Applications of both techniques are presented.
Keywords :
laser mode locking; optical frequency conversion; quantum cascade lasers; spectral line narrowing; spectroscopic light sources; QCL; absolutely-referenced difference-frequency-generated source; frequency locking; high-precision molecular spectroscopy; midIR quantum cascade lasers; molecular transition; phase locking; Adaptive optics; Optical polarization; Optical saturation; Optical sensors; Quantum cascade lasers; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
