Power scaling potential of Yb:NGW in thin disk laser configuration

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Erscheinungsjahr:
2008
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  • We report on efficient laser operation of Yb:NaGd(WO4) 2 (Yb:NGW) in thin disk laser configuration. Using doping concentrations of 10.7 at.∈% and 15.3 at.∈% and disk thicknesses between 0.1 mm and 0.4 mm the optimum crystal parameters have been determined. A 0.1 mm thick, 10.7 at.∈% Yb:NGW disk pumped at 975 nm delivered 18.2 W of output power at 43.6 W of incident pump power with a slope efficiency of 51% and a resulting optical-to-optical efficiency of 42%. Using a 2 mm thick birefringent filter, continuous tuning from 997 nm to 1075 nm has been achieved. © 2008 Springer-Verlag.
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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/dba0fef9-7bd1-4276-9c01-f61ec6ef8d15