Hanna, D.C., Percival, R.M., Perry, I.R., Smart, R.G., Suni, P.J., Townsend, J.E. and Tropper, A.C.
Continuous-wave oscillation of a monomode thulium-doped fibre laser
Electronics Letters, 24, (19), . (doi:10.1049/el:19880831).
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Laser emission in the wavelength band 1.88-1.96 µm has been observed in a monomode fibre doped with thulium. When pumped with a dye laser at 797nm an absorbed threshold power of 21mW and a slope efficiency of 13% were obtained.
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