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Proceedings Paper

1 W at 490 nm on a compact micro-optical bench by single-pass second harmonic generation
Author(s): C. Fiebig; G. Blume; D. Feise; D. Jedrzejczyk; A. Sahm; M. Uebernickel; K. Paschke; G. Erbert
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Paper Abstract

We demonstrate a compact 1 W laser module at 490 nm using a Distributed Bragg Reflector tapered diode laser in single-path second harmonic generation (SHG) configuration. The frequency conversion is performed with a 3 cm periodically poled MgO:LiNbO3 crystal on a micro-optical bench having a footprint of 2.5 cm3. 1 W blue light could be achieved at a pump power of about 9.5 W resulting in an optical conversion efficiency of about 10 %. The output power stability is better than ± 2% and the blue laser beam shows an excellent beam quality of M2σ = 1.2 in vertical and M2σ = 2 in lateral direction, respectively.

Paper Details

Date Published: 18 February 2010
PDF: 8 pages
Proc. SPIE 7582, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX, 75821O (18 February 2010); doi: 10.1117/12.851720
Show Author Affiliations
C. Fiebig, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)
G. Blume, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)
D. Feise, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)
D. Jedrzejczyk, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)
A. Sahm, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)
M. Uebernickel, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)
K. Paschke, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)
G. Erbert, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)


Published in SPIE Proceedings Vol. 7582:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX
Peter E. Powers, Editor(s)

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