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Blue upconversion fluorozirconate fibre laser
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1990
Year
Optical MaterialsLasing TransitionsEngineeringLaser ScienceLaser ApplicationsLaser PhysicsSuper-intense LasersFiber OpticsFiber LasersHigh-power LasersFiber-optic CommunicationOptical PropertiesFiber LaserOptical PumpingPhotonicsTm3+-doped FluorozirconateLaser DesignFiber OpticUpconversion LasingTunable LasersHigh-energy LasersOptoelectronics
Upconversion lasing is obtained at 455 and 480 nm in a Tm3+-doped fluorozirconate fibre co-pumped at 676.4 and 647.1 nm. Lasing at 1.51 μm by two-photon absorption is also observed. Pumping schemes and dynamics of the lasing transitions are clarified.