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Resonantly cladding-pumped Yb-free Er-doped LMA fiber laser with record high power and efficiency

✍ Scribed by Zhang, Jun; Fromzel, Viktor; Dubinskii, Mark


Book ID
115413989
Publisher
Optical Society of America
Year
2011
Tongue
English
Weight
837 KB
Volume
19
Category
Article
ISSN
1094-4087

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## Abstract A narrow line width, tunable, and highly efficient fiber laser based on Er^__3__+^/Yb^__3__+^ co‐doped double‐clad fiber with the maximum output power of 438 mW and a slope efficiency of ∼16% has been demonstrated. By using a fiber Bragg grating (FBG) as a narrow band reflector, 3‐dB li