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Proceedings Paper

Selective excitation of higher-order modes in diode-pumped solid-state laser resonators
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Paper Abstract

In this paper we experimentally demonstrate the intra-cavity generation of selected higher-order Laguerre-Gaussian modes using a simple absorbing ring. First, we show selection of modes of variable radial order, from zero to five, with zero azimuthal order. Second, we select super-positions of azimuthal modes of zero radial order but high azimuthal index, up to eleven. In all cases we demonstrate high mode purity and a gain volume proportional to the order of the mode. Our results suggest a possible route to high-brightness diode-pumped solid-state laser sources.

Paper Details

Date Published: 22 February 2013
PDF: 5 pages
Proc. SPIE 8600, Laser Resonators, Microresonators, and Beam Control XV, 86000Y (22 February 2013); doi: 10.1117/12.2011950
Show Author Affiliations
A. Forbes, CSIR National Laser Ctr. (South Africa)
Univ. of KwaZulu-Natal (South Africa)
S. Ngcobo, CSIR National Laser Ctr. (South Africa)
Univ. of KwaZulu-Natal (South Africa)
T. Godin, Ecole Nationale Supérieure d'Ingenieurs de Caen et Ctr. de Recherche (France)
K. Ait-Ameur, Ecole Nationale Supérieure d'Ingenieurs de Caen et Ctr. de Recherche (France)


Published in SPIE Proceedings Vol. 8600:
Laser Resonators, Microresonators, and Beam Control XV
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko; Lutz Aschke; Kunihiko Washio, Editor(s)

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