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  • Title: Passively mode locked femtosecond Tm:Sc2O3 laser at 2.1 μm.
    Author: Lagatsky AA, Koopmann P, Fuhrberg P, Huber G, Brown CT, Sibbett W.
    Journal: Opt Lett; 2012 Feb 01; 37(3):437-9. PubMed ID: 22297378.
    Abstract:
    We report on the passive mode locking of a Tm3+:Sc2O3 laser at 2.1 μm using a semiconductor saturable absorber mirror based on InGaAsSb quantum wells. Transform-limited 218 fs pulses are generated with an average power of 210 mW. A maximum output power of 325 mW is produced during mode locking with the corresponding pulse duration of 246 fs at a pulse repetition frequency of 124.3 MHz. A Ti:sapphire laser is used as the pump source operating at 796 nm.
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