Pask, H.M., Archambault, J.L., Carman, R.J., Hanna, D.C., Mackechnie, C.J., Reekie, L., Townsend, J.E. and Tropper, A.C.
Operation of ytterbium-doped silica fibre lasers at specific wavelengths using fibre gratings.
In, 11th National Quantum Electronics Conference (QE-11), Belfast, GB,
30 Aug - 02 Sep 1993.
Yb-doped fibre lasers have been previously reported as versatile, efficient laser sources in the 1 µspectral region. The very broad Stark splitting of Yb energy levels in silica results in wide pump (830 - 1064 nm) and emission (975 - 1160 nm) bands. The emission band includes a number of wavelengths of interest for specific uses; examples include 1020 nm, the optimum pump wavelength for the Pr:ZBLAN amplifier and upconversion laser, and 1128 nm. which has been utilised to pump a Tm:ZBLAN upconversion laser.
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