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Passive Q switching of the Er3+:Y3Al5O12 laser at 1.64 μm
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1995
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Optical PumpingPhotonicsμM ErEngineeringLaser ScienceOptical PropertiesPassive Q SwitchingApplied PhysicsLaser ApplicationsLaser MaterialSaturable-absorber Q SwitchingOptical SwitchingOptoelectronicsHigh-power LasersErbium-doped Y3al5o12
Saturable-absorber Q switching of an erbium-doped Y3Al5O12 (YAG) laser at 1.64 μm using U2+:SrF2 and U2+:CaF2 was demonstrated. The Er:YAG was longitudinally pumped using a free-running 1.534 μm Er:glass laser. Q switched 1.64 μm pulses of 1.7 mJ and 25 ns pulse widths were obtained.