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Proceedings Paper

1 W 488 nm cw air-cooled optically pumped semiconductor laser
Author(s): Vasily Ostroumov; Christoph Simon; Heiko Schwarze; Ruediger von Elm; Wolf Seelert; Jukka Lindfors
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Paper Abstract

We present an air-cooled optically pumped semiconductor laser that provides a cw output power of 1W at 488 nm. This performance was achieved via intracavity frequency doubling at a laser diode pump power of 2.5 Watts. The increased efficiency was realized by optimizing the OPS chip design and improving the heat extraction from the OPS chip. Efficient cooling of the OPS chip and a compact and mechanically stable folded resonator provide maintenance-free long life laser operation with an M2 of less than 1.1 and a noise of less than 0.25% rms. The size of the laser head is the same as for the 20 mW commercially available version, namely 125 x 70 x 34 mm.

Paper Details

Date Published: 5 March 2008
PDF: 7 pages
Proc. SPIE 6871, Solid State Lasers XVII: Technology and Devices, 687118 (5 March 2008); doi: 10.1117/12.767520
Show Author Affiliations
Vasily Ostroumov, Coherent GmbH (Germany)
Christoph Simon, Coherent GmbH (Germany)
Heiko Schwarze, Coherent GmbH (Germany)
Ruediger von Elm, Coherent GmbH (Germany)
Wolf Seelert, Coherent GmbH (Germany)
Jukka Lindfors, Coherent Finland (Finland)

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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