Broadly tunable femtosecond pulses around 2.06 µm from a diode-pumped Tm 3+ -doped solid-state laser source

N. K. Stevenson, C. T. A. Brown, J. M. Hopkins, M. D. Dawson, A. A. Lagatsky

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We report on a broadly tunable diode-pumped femtosecond Tm:LuScO 3 laser source around 2.06 µm. Tuning was obtained through the use of a steeply diving birefringent filter, maintaining sub-600 fs pulses over a tuning range of 2019–2110 nm. The minimum pulse duration of 240 fs was recorded at a central wavelength of 2080 nm with an average output power of 93 mW. Higher output coupling of 2% resulted in a narrower tuning range of 2070–2102 nm with generated pulses as short as 435 fs and an average output power of 119 mW at 2090 nm.

Original languageEnglish
Pages (from-to)11103-11111
Number of pages9
JournalOptics Express
Issue number8
Publication statusPublished - 5 Apr 2019


  • femtosecond pulses
  • solid-state laser
  • Tm:LuScO3 laser
  • diode pumped lasers
  • tunable lasers

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