High-power (400 mW) diode-pumped 2.7 µm Er:ZBLANfibre lasers usingenhanced Er-Er cross-relaxation processes
Electronics Letters1999Vol. 35(16), pp. 1338–1340
Citations Over TimeTop 10% of 1999 papers
Abstract
The authors report the use of enhanced inter-ion cross-relaxation in Er:ZBLAN fibres of double clad geometries for the realisation of high-power (400 mW) diode-pumped 2.7 µm lasers. The enhanced Er-Er cross-relaxation was enabled by the formation of clusters, around drawing-induced defects, even at moderate mean doping densities in such fibres. Further extension of this work should enable multi-Watt CW power level lasers at 2.7 µm in the foreseeable future.
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