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230 mW of blue light from a thulium-doped upconversion fiber laser

By R. Paschotta, N. Moore, W.A. Clarkson, A.C. Tropper, D.C. Hanna and G. Maze


We demonstrate a powerful diode-pumped blue laser source, consisting of a 7W diode at 807nm that pumps a Nd:YAG laser giving 1.6W with good beam quality at 1123nm, and a thulium-doped upconversion fiber laser. The maximum output power achieved at 481nm is 230mW. We also describe the behavior of a reversible loss which is generated in the fluoride fiber during high power operation

Topics: TK, QC
Year: 1997
DOI identifier: 10.1109/2944.649548
OAI identifier:
Provided by: e-Prints Soton
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