4.6 Article

Passively mode locked femtosecond Tm:Sc2O3 laser at 2.1 μm

Journal

OPTICS LETTERS
Volume 37, Issue 3, Pages 437-439

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.37.000437

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Funding

  1. UK Engineering and Physical Sciences Research Council

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We report on the passive mode locking of a Tm3+:Sc2O3 laser at 2.1 mu m 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. (C) 2012 Optical Society of America

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