Title :
Dual-comb spectrometer based on Mid-IR quantum cascade laser frequency combs
Author :
Hugi, A. ; Villares, Gustavo ; Blaser, Sebastian ; Liu, H.C. ; Faist, J.
Author_Institution :
Inst. for Quantum Electron., ETH Zurich, Zurich, Switzerland
Abstract :
We realize a dual-comb spectrometer covering 14 cm-1 centered at 1430 cm-1. It is based on mid-IR QCL frequency combs featuring a frequency-modulated like output. The measured individual tooth linewidth is 4 MHz.
Keywords :
frequency modulation; infrared spectrometers; laser beams; measurement by laser beam; optical modulation; quantum cascade lasers; dual-comb spectrometer; frequency 4 MHz; frequency-modulated like output; individual tooth linewidth; mid-IR QCL frequency combs; mid-IR quantum cascade laser frequency combs; Frequency modulation; Optical mixing; Optical modulation; Quantum cascade lasers; Spectroscopy; Time-frequency analysis;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
