Title :
Highly efficient holmium fibre laser diode pumped at 1.94 μm
Author :
Li, Ruodai ; Li, Jie ; Shterengas, L. ; Jackson, Stuart D.
Author_Institution :
Sch. of Phys., Univ. of Sydney, Camperdown, NSW, Australia
Abstract :
A highly efficient Ho3+-doped fluoride glass fibre laser operating at 2.08 m is demonstrated using diode pumping at a 1.94 m wavelength. A maximum slope efficiency of 78% and output power of 516 mW has been obtained.
Keywords :
fibre lasers; fluoride glasses; holmium; optical pumping; fluoride glass fibre laser; holmium fibre laser diode; optical pumping; power 516 mW; slope efficiency; wavelength 1.94 mum;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2011.2426
