Semiconductor disk laser pumped Cr2+:Znse lasers
- Hempler, N.
- Hopkins, J.M.
- Rosener, B.
- Rattunde, M.
- Wagner, J.
- Fedorov, V.V.
- Moskalev, I.S.
- Mirov, S.B.
- Burns, D.
DOIAbstract
A new flexible pump source, the optically-pumped semiconductor disk laser (SDL), for the Cr2+:ZnSe laser is reported. The SDL provides up to 6W output power at a free running central wavelength of 1.98μm. The Cr2+:ZnSe laser operated at an output power of 1.8W and a slope efficiency of ~50% with respect to absorbed pump power whilst maintaining a low output intensity noise figure of <0.14% RMS. The system required no optical isolation even under the situation of significant optical feedback
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