Title :
Optical sampling by laser cavity tuning with a highly varying laser cavity length
Author :
Potvin, Simon ; Deschenes, Jean-Daniel ; Genest, Jerome
Author_Institution :
Centre d´Opt., Photonique et Laser, Univ. Laval, Laval, QC, Canada
Abstract :
A 100 MHz mode-locked laser is tuned unevenly over 325 kHz with a stepper motor to produce high-SNR spectroscopic measurements of HCN with a 3 GHz spectral resolution. A setup to reduce the resulting heterodyne bandwidth is also demonstrated.
Keywords :
hydrogen compounds; infrared spectra; laser cavity resonators; laser mode locking; laser tuning; HCN; frequency 100 MHz; heterodyne bandwidth; high-SNR spectroscopic measurements; hydrogen cyanide; laser cavity length; laser cavity tuning; mode-locked laser; optical sampling; spectral resolution; stepper motor; Bandwidth; Cavity resonators; Laser mode locking; Laser tuning; Optical fibers; Optical interferometry;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
