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research article
750 nm 1.5 W frequency-doubled semiconductor disk laser with a 44 nm tuning range
2015
We demonstrate 1.5 W of output power at the wavelength of 750 nm by intracavity frequency doubling a wafer-fused semiconductor disk laser diode-pumped at 980 nm. An optical-to-optical efficiency of 8.3% was achieved using a bismuth borate crystal. The wavelength of the doubled emission could be tuned from 720 to 764 nm with an intracavity birefringent plate. The beam quality parameter M-2 of the laser output was measured to be below 1.5 at all pump powers.
Type
research article
Web of Science ID
WOS:000364468000001
Authors
Saarinen, Esa J.
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Lyytikäinen, Jari
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Ranta, Sanna
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Rantamäki, Antti
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•
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Okhotnikov, Oleg G.
Publication date
2015
Publisher
Published in
Volume
40
Issue
19
Article Number
4380
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
September 24, 2015
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