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Proceedings Paper

Beam quality dependent SHG using edge-emitting lasers and a 50 mm bulk PPLN crystal
Author(s): Mirko Uebernickel; Gunnar Blume; Christian Fiebig; Christian Kaspari; David Feise; Katrin Paschke; Arnim Ginolas; Reiner Güther; Bernd Eppich; Götz Erbert
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Paper Abstract

In this paper we present a study of the single pass normalized second harmonic generation (SHG) conversion efficiency as a function of the beam propagation factor M2 and the beam diameter in the lateral and vertical direction. It can be shown that an increase in M2 results in dramatic changes for the optimal focusing conditions, in comparison to the SHG with a Gaussian beam. Based on the results of the measurements we developed a model to simulate the focusing conditions for partial coherent beams.

Paper Details

Date Published: 24 February 2009
PDF: 8 pages
Proc. SPIE 7197, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VIII, 71970F (24 February 2009); doi: 10.1117/12.807429
Show Author Affiliations
Mirko Uebernickel, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
Gunnar Blume, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
Christian Fiebig, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
Christian Kaspari, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
David Feise, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
Katrin Paschke, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
Arnim Ginolas, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
Reiner Güther, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
Bernd Eppich, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)
Götz Erbert, Ferdinand-Braun-Institut für Höchstfrequenztechnik (Germany)


Published in SPIE Proceedings Vol. 7197:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VIII
Peter E. Powers, Editor(s)

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