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Continuous tuning and efficient intracavity second-harmonic generation in a semiconductor disk laser with an intracavity diamond heatspreader

MacLean, A.J. and Kemp, A. and Calvez, S. and Kim, J.Y. and Kim, T. and Dawson, M.D. and Burns, D. (2008) Continuous tuning and efficient intracavity second-harmonic generation in a semiconductor disk laser with an intracavity diamond heatspreader. IEEE Journal of Quantum Electronics, 44 (3). pp. 216-225. ISSN 0018-9197

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Abstract

Using a wedged and antireflection-coated diamond heatspreader, a continuously tunable semiconductor disk laser with intracavity second-harmonic generation (SHG) is demonstrated. Output powers of > 600 mW tunable over 10 nm around 530 nm are obtained. Finite-element modeling shows that the use of a diamond heatspreader for thermal management - in contrast to substrate thinning approaches - permits power scaling across the 670-2300-nm range of these lasers. Using a green laser as an exemplar, this paper details the issues involved in translating this spectral coverage to the ultraviolet and visible via SHG. Polarization and wavelength selection are discussed and the adopted approaches presented. Almost 1 W of second-harmonic light at 530 nm is demonstrated, with an efficiency of 11% with respect to the incident pump power.

Item type: Article
ID code: 7790
Keywords: tuning, intracavity second-harmonic generation, semiconductor disk laser, intracavity diamond heatspreader, diamond, quantum electronics, Optics. Light, Physics, Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering, Condensed Matter Physics
Subjects: Science > Physics > Optics. Light
Science > Physics
Department: Faculty of Science > Institute of Photonics
Related URLs:
Depositing user: Miss Sharon Kelly
Date Deposited: 12 Dec 2009 14:54
Last modified: 28 Mar 2014 05:06
URI: http://strathprints.strath.ac.uk/id/eprint/7790

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