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Comptes Rendus Physique
Volume 8, n° 10
pages 1129-1150 (décembre 2007)
Doi : 10.1016/j.crhy.2007.09.011
Continuous-wave mid-infrared laser sources based on difference frequency generation
Sources lasers continues dans lʼinfrarouge par génération de différence de fréquences
 

Weidong Chen a, , Julien Cousin a, Emmanuelle Poullet a, Jean Burie a, Daniel Boucher a, Xiaoming Gao b, Markus W. Sigrist c, Frank K. Tittel d
a Laboratoire de physicochimie de lʼatmosphère, UMR CNRS 8101, Université du Littoral Côte dʼOpale 189A, Avenue Maurice Schumann, 59140 Dunkerque, France 
b Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, PR China 
c ETH Zürich, Institute for Quantum Electronics, Laser Spectroscopy and Sensing Laboratory, Schafmattstrasse 16, CH-8093 Zürich, Switzerland 
d Rice Quantum Institute, MS 366, Rice University, 6100 Main St., Houston, TX 77005, USA 

Corresponding author.
Abstract

We report on recent developments of widely tunable, continuous-wave (CW) laser sources based on difference-frequency generation (DFG) in nonlinear optical materials. The state-of-the-art of CW DFG technology will be reviewed. Applications of the DFG-based laser source to high-resolution molecular spectroscopy and trace gas detection will be presented. New development trends of DFG will be discussed. To cite this article: W. Chen et al., C. R. Physique 8 (2007).

The full text of this article is available in PDF format.
Résumé

Dans cet article nous présentons des développements récents de sources lasers, fonctionnant en régime continu et largement accordables en fréquence, basées sur la génération de différence de fréquences (DFG) lasers dans un milieu optique non linéaire. Lʼétat de lʼart de la technologie DFG sera passé en revue. Des applications de la source laser à DFG en spectroscopie moléculaire à haute résolution et à la détection de traces de gaz seront présentées. Des tendances récentes du développement de la technologie DFG seront discutées. Pour citer cet article : W. Chen et al., C. R. Physique 8 (2007).

The full text of this article is available in PDF format.

Keywords : Mid-infrared tunable laser source, Difference-frequency generation, Phase-matching, Laser absorption spectroscopy, Trace gas detection

Mots-clés : Source laser accordable dans lʼinfrarouge moyen, Génération de différence de fréquences, Accord de phase, Spectroscopie dʼabsorption laser, Détection de traces de gaz




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