Continuous wave and ReS passively Q-switched Er : SrF laser at ∼3  μm.

Opt Lett 2018 Apr;43(8):1726-1729

We report on an efficient Er:SrF laser at 2.79 μm. A continuous wave output power of 1.06 W was obtained with a slope efficiency of 41%, significantly exceeding the Stokes efficiency of 35%. Stable Q-switched laser operation was realized by using an ReS saturable absorber, generating an average output power of 0.58 W with a pulse duration of 508 ns at a repetition rate of 49 kHz, corresponding to a pulse energy of 12.1 μJ.

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http://dx.doi.org/10.1364/OL.43.001726DOI Listing
April 2018
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