Abstract

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

Advances in optical telecommunication have spurred the development of continuous-wave (cw) tuneable lasers in the near infrared (NIR) around 1.55 µm. 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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