Diode laser spectroscopy using two modes of an InAsSb/InAsSbP laser near 3.6 μm |
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| Authors: | S Civi? AN Imenkov AP Danilova NM Kolchanova VV Sherstnev YP Yakovlev AD Walters |
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| Institution: | (1) Ioffe Phisico-Technical Institute, RAS, 26 Polytechnicheskaya, St. Petersberg, Russia, RU;(2) J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Dolejškova 3, 182 23 Prague 8, Czech Republic, CZ;(3) Laboratoire de Physique des Lasers, Atomes et Molécules, Centre d’Etudes et de Recherches Lasers et Applications, Université des Sciences et Technologies de Lille, 59655 Villeneuve d’Ascq, Cedex, France (Fax: +33-320/336-463, E-mail: adam.walters@univ-lille1.fr), FR |
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| Abstract: | A new type of multimode semiconductor laser, based on InAsSb/InAsSbP heterostructures, is described. This continuous laser
working in a broad range of temperatures (30–100 K) was tested using a closed-cycle He-cryostat and its quality was demonstrated
using the laser spectroscopy of gases absorbing in the 2800 cm-1 region. Two different laser modes were used to increase the spectral range. The spectral characteristics and tunability of
the laser were explored as a function of heat-sink temperature and drive current with the aim of developing its use for high–resolution
spectroscopy. The laser has potential applications in the field of chemistry, atmospheric research and the study of the kinetics
of reactive species.
Received: 18 October 1999 / Revised version: 10 May 2000 / Published online: 16 August 2000 |
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| Keywords: | PACS: 33 20 Ea 33 90 +d 07 57 Hm |
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