Broadly tunable femtosecond pulses around 2.06 µm from a diode-pumped Tm3+-doped solid-state laser source
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We report on a broadly tunable diode-pumped femtosecond Tm:LuScO3 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.
Stevenson , N K , Brown , C T A , Hopkins , J-M , Dawson , M D & Lagatsky , A A 2019 , ' Broadly tunable femtosecond pulses around 2.06 µm from a diode-pumped Tm 3+ -doped solid-state laser source ' , Optics Express , vol. 27 , no. 8 , pp. 11103-11111 . https://doi.org/10.1364/OE.27.011103
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DescriptionFunding: Engineering and Physical Sciences Research Council (EPSRC) (EP/L01596X/1); Fraunhofer UK Research Limited studentship funding.
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