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Pulsed pumping of a 2.3um InGaAsSb semiconductor disk laser

Hempler, N. and Hopkins, J.M. and Kemp, A. and Dawson, M.D. and Burns, D. and Schulz, N. and Rattunde, M. and Wagner, J. (2007) Pulsed pumping of a 2.3um InGaAsSb semiconductor disk laser. In: Conference on Lasers and Electro-Optics, 2007-05-06 - 2007-05-07, Baltimore.

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Abstract

Efficient operation of semiconductor disk lasers is demonstrated using uncooled and inexpensive 905nm high-power pulsed semiconductor pump lasers. Laser emission, with a peak power of 1.7W, is obtained from a 2.3μm semiconductor disk laser. This is seven times the power achieved under continuous pumping. Analysis of the time-dependent spectral characteristics of the laser demonstrate that significant device heating occurs over the 100-200ns duration of the pumping pulse - finite element modelling of the thermal processes is undertaken in support of these data. Spectral narrowing to below 0.8nm is obtained by using an intra-cavity birefringent filter.

Item type: Conference or Workshop Item (Paper)
ID code: 5372
Keywords: semiconductor lasers, optical pumping, lasers, diodepumped, optics, optoelectronics, Optics. Light
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Institute of Photonics
Related URLs:
Depositing user: Strathprints Administrator
Date Deposited: 12 Feb 2008
Last modified: 17 Jul 2013 15:04
URI: http://strathprints.strath.ac.uk/id/eprint/5372

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