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Proceedings Article

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

[+] Author Affiliations
Gavin P. Frith, David G. Lancaster

Defence Science and Technology Organisation (Australia)

Proc. SPIE 6102, Fiber Lasers III: Technology, Systems, and Applications, 610208 (February 23, 2006); doi:10.1117/12.660932
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From Conference Volume 6102

  • Fiber Lasers III: Technology, Systems, and Applications
  • Andrew J. W. Brown; Johan Nilsson; Donald J. Harter; Andreas Tünnermann
  • San Jose, CA | January 21, 2006

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.

© (2006) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Gavin P. Frith and David G. Lancaster
"Power scalable and efficient 790-nm pumped Tm3+-doped fiber lasers", Proc. SPIE 6102, Fiber Lasers III: Technology, Systems, and Applications, 610208 (February 23, 2006); doi:10.1117/12.660932; http://dx.doi.org/10.1117/12.660932


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