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Proceedings Paper

Power scalable and efficient 790-nm pumped Tm3+-doped fiber lasers
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Paper Abstract

This report presents a discussion of the engineering issues and results of high power 2μm Tm3+-doped fibre lasers pumped at 790nm. To date we have achieved up to 85W from such devices with 54% slope efficiency relative to launched pump. More recently, through using Tm3+ concentrations of approximately 4(wt.)% to enhance the cross-relaxation process (3H4,3H6->3F4,3F4) we have demonstrated slope efficiencies of up to 67% relative to launched power. This represented ~170% quantum slope efficiency for the 790nm pumped 2μm laser.

Paper Details

Date Published: 23 February 2006
PDF: 10 pages
Proc. SPIE 6102, Fiber Lasers III: Technology, Systems, and Applications, 610208 (23 February 2006); doi: 10.1117/12.660932
Show Author Affiliations
Gavin P. Frith, Defence Science and Technology Organisation (Australia)
David G. Lancaster, Defence Science and Technology Organisation (Australia)


Published in SPIE Proceedings Vol. 6102:
Fiber Lasers III: Technology, Systems, and Applications
Andrew J. W. Brown; Johan Nilsson; Donald J. Harter; Andreas Tünnermann, Editor(s)

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