Directly diode-pumped tunable continuous-wave room-temperature Cr4+:YAG laser |
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| Authors: | Sorokina I T Naumov S Sorokin E Wintner E Shestakov A V |
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| Affiliation: | Institut für Photonik, Technische Universit?t Wien, Gusshausstrasse 27/378, A-1040 Vienna, Austria |
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| Abstract: | We report what is to our knowledge the first directly diode-pumped tunable (over 120 nm) continuous-wave Cr(4+): YAG laser, operating near 1.5 mum . At room temperature the laser delivered as much as 200 mW of power at 4 W of absorbed pump power. We also report observation of slow laser output degradation and bleaching in highly concentrated cyrstals, which we suggest is due to a photorefractive phenomenon. |
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