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- Title
19-cores Yb-fiber laser with mode selection for improved beam brightness.
- Authors
Shalaby, B. M.; Kermène, V.; Pagnoux, D.; Desfarges-Berthelemot, A.; Barthélémy, A.; Popp, A.; Abdou Ahmed, M.; Voss, A.; Graf, T.
- Abstract
We propose a new method to control the mode combination at the output of a 19-core fiber laser in order to produce a bright beam with uniform phase. The technique is based on both the selective excitation of the amplifying multicore fiber and on an intra-cavity angular filtering at the output. The excitation of the fundamental in-phase supermode of the 19-core fiber was demonstrated, resulting in the emission of a single-mode beam with M limited to 1.21.
- Subjects
PHYSICS research; FILTERING software; EMISSIONS (Air pollution); INDUSTRIAL lasers; SINGLE-mode optical fibers
- Publication
Applied Physics B: Lasers & Optics, 2010, Vol 100, Issue 4, p859
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-010-4048-0