Thulium-ytterbium co-doped fiber laser with 75 W of output power at 2 μm

Y. Jeong*, P. Dupriez, J. K. Sahu, J. Nilsson, D. Shen, W. A. Clarkson, S. D. Jackson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

We report power-scaling of an ytterbium-sensitized thulium-doped silica fiber laser generating up to 75 W of output power in the 2 μm wavelength range when cladding-pumped by a 975 nm diode stack. The slope efficiency is 32% with respect to launched pump power and the beam quality factor (M2) is 1.3. We also investigate the characteristics of this fiber in a tunable laser configuration, operating at ∼10 W of output power with the tuning range extended from 2000 to 2080 nm at a launched pump power of 40 W.

Original languageEnglish
Article number04
Pages (from-to)28-35
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5620
DOIs
Publication statusPublished - 2004
Externally publishedYes

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