Tuneable erbium-doped fibre laser-based spectrometer for trace gas detection in the near infrared. An Abstract from NIR news

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NIR news
Volume 18 Issue 2, Pages 10–16 (2007)
doi: 10.1255/nirn.1011

Tuneable erbium-doped fibre laser-based spectrometer for trace gas detection in the near infrared

Julien Cousin,^a* Pascal Masselin,^a Weidong Chen,^a Daniel Boucher,^a Samir Kassi^b and Daniele Romanini^b
^aLaboratoire de Physicochimie de l'Atmosphère, CNRS UMR 8101, Université du Littoral Côte d'Opale, 189A, Av. Maurice Schumann, 59140 Dunkerque, France. E-mail: julien.cousin@univ-littoral.fr
^bLaboratoire de Spectrométrie Physique, CNRS UMR 5588, Université J. Fourier de Grenoble, 140 Rue de la Physique, 38402 St Martin d'Hères, France

ABSTRACT:

Advances in optical telecommunication have spurred the development of continuous-wave (cw) tuneable lasers in the near infrared (NIR) around 1.55 &mgr;m. This article looks at the advantages of using such devices as NIR sources and at applications in trace gas analysis by cavity ring down spectroscopy.

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