Waveguide-saturable absorber fabricated by femtosecond pulses in YAG:Cr4+ crystal for Q-switched operation of Yb-fiber laser
- Ohkrimchuk, Andrey G,
- Mezentsev, Vladimir
- Dvoyrin, Vladislav V.
- Kurkov, Andrey S.
- Sholokhov, Evgeny M.
- Turitsyn, Sergei K.
- Shestakov, Alexander V.
- Bennion, Ian
DOIAbstract
A waveguide-saturable absorber with low propagation loss is fabricated by femtosecond pulses in YAG:Cr4+ crystal. Q-switch operation of a Yb fiber laser with the new saturable absorber having absorption saturation parameters similar to the bulk YAG:Cr4+ crystal is demonstrated
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