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Proceedings Paper

New design for passive coherent coupling of fiber lasers
Author(s): F. Jeux; A. Desfarges-Berthelemot; V. Kermène; A. Barthelemy; D. Sabourdy; J. E. Montagne
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Paper Abstract

A new passive technique approach to phase lock a laser array is proposed and analyzed. It improves the laser combining efficiency with a large number of emitters. Our architecture combines selective coupling based on phase-contrast filter and resonant phase nonlinearity of amplifiers. A numerical study predicts that with 20 fiber lasers the architecture leads to a phase locking efficiency which is twice the value observed up to now in published experiments.

Paper Details

Date Published: 8 November 2012
PDF: 9 pages
Proc. SPIE 8547, High-Power Lasers 2012: Technology and Systems, 85470O (8 November 2012); doi: 10.1117/12.975692
Show Author Affiliations
F. Jeux, XLIM Institut de Recherche, CNRS, Univ. de Limoges (France)
Astrium SAS (France)
A. Desfarges-Berthelemot, XLIM Institut de Recherche, CNRS, Univ. de Limoges (France)
V. Kermène, XLIM Institut de Recherche, CNRS, Univ. de Limoges (France)
A. Barthelemy, XLIM Institut de Recherche, CNRS, Univ. de Limoges (France)
D. Sabourdy, CILAS (France)
J. E. Montagne, CILAS (France)


Published in SPIE Proceedings Vol. 8547:
High-Power Lasers 2012: Technology and Systems
Harro Ackermann; Willy L. Bohn, Editor(s)

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