Efficient continuous wave deep ultraviolet Pr3+:LiYF4 laser at 261.3 nm

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2011
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  • We report continuous wave deep ultraviolet laser operation at 261.3 nm by intracavity frequency doubling of laser diode pumped Pr3 doped LiYF4 lasers. Using two InGaN laser diodes with a maximum output power of about 1 W each, a 2.9 mm long Pr3:LiYF4 crystal and a 5 mm long beta-barium-borate crystal, coherent radiation with an output power of 481 mW at 261.3 nm was achieved at an optical-to-optical efficiency of 26.1 with respect to the total pump power. Both, linear and nonlinear losses have been calculated to be approximately 0.6 by using a model for intracavity frequency doubling with focussed Gaussian beams. © 2011 American Institute of Physics.
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  • info:eu-repo/semantics/closedAccess
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Forschungsinformationssystem der UHH
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oai:www.edit.fis.uni-hamburg.de:publications/5a33f801-685b-46d8-9e89-417ca19363fb