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Proceedings Paper

Diode pumping of Nd:ASL and its frequency doubling for blue emission around 450 nm
Author(s): David Paboeuf; Gaëlle Lucas-Leclin; Patrick Georges; Bernd Sumpf; Götz Erbert; Cyrille Varona; Pascal Loiseau; Gérard Aka; Bernard Ferrand
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Paper Abstract

We present the diode pumping of a Nd-doped strontium and lanthanum (Nd:ASL) crystal Sr1-xLax-yNdyMgxAl12-xO19 (0.05 ≤ x ≤ 0.5; y = 0.05) for second harmonic generation around 450 nm. In order to fulfill the pumping requirements of this crystal, we have developed a high-brightness pump source based on a tapered amplifier in an extended cavity with a volume Bragg grating for wavelength stabilization. A pump brightness of 110 MW.cm-2sr-1 has been obtained with a linewidth lower than 80 pm at 798 nm. This laser source has been used to pump a Nd:ASL crystal to obtain 300 mW at 906 nm and 53 mW at 453 nm by intracavity doubling with a LBO crystal.

Paper Details

Date Published: 5 March 2008
PDF: 9 pages
Proc. SPIE 6871, Solid State Lasers XVII: Technology and Devices, 68711P (5 March 2008); doi: 10.1117/12.769125
Show Author Affiliations
David Paboeuf, Lab. Charles Fabry de l’Institut d'Optique, Univ. Paris-Sud (France)
Gaëlle Lucas-Leclin, Lab. Charles Fabry de l’Institut d'Optique, Univ. Paris-Sud (France)
Patrick Georges, Lab. Charles Fabry de l’Institut d'Optique, Univ. Paris-Sud (France)
Bernd Sumpf, Ferdinand Braun Institut für Höchstfrequenztechnik (Germany)
Götz Erbert, Ferdinand Braun Institut für Höchstfrequenztechnik (Germany)
Cyrille Varona, Ecole Nationale Supérieure de Chimie de Paris, CNRS (France)
Pascal Loiseau, Ecole Nationale Supérieure de Chimie de Paris, CNRS (France)
Gérard Aka, Ecole Nationale Supérieure de Chimie de Paris, CNRS (France)
Bernard Ferrand, Lab. de Cristallogenèse Appliquée, CEA - LETI (France)


Published in SPIE Proceedings Vol. 6871:
Solid State Lasers XVII: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh K. Shori, Editor(s)

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