Abstract
The fundamental characteristics of a continuous-wave high-power diode-pumped Tm3+, Ho3+-doped double-clad silica fibre laser are presented. A maximum output power of 5.2 W was measured and was generated at a slope efficiency of 42 (44)% with respect to the launched (absorbed) pump power. At the optimum length of 7 m (αeffL=2.9, where αeff is the effective absorption coefficient of the fibre and L is the fibre length), the fibre laser output was measured to have a centre wavelength of 2105 nm and a line width of ∼20 nm. The centre wavelength of the emission was tunable over a 32-nm extent when 0.68<αeffL<3.28 or for a 6.2-m change in L.
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42.55.Wd; 42.55.Xi; 42.60.Lh; 42.60.Pk
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Jackson, S., Mossman, S. High-power diode-cladding-pumped Tm3+, Ho3+-doped silica fibre laser. Appl Phys B 77, 489–491 (2003). https://doi.org/10.1007/s00340-003-1305-5
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DOI: https://doi.org/10.1007/s00340-003-1305-5