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Proceedings Paper

Multicore fibers for high-brilliance laser beam delivery
Author(s): Moritz M. Vogel; Thomas Rataj; Armin Austerschulte; Andreas Popp; Marwan Abdou-Ahmed; Thomas Liebig; Andreas Voss; Thomas Graf
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Paper Abstract

A passive few-mode multicore fiber consisting of 7 coupled cores is investigated. The fiber is compared to a largemode- area step-index fiber, with the same number of modes and a similar mode field area. Based on the 7-core fiber results a single transverse mode multicore fiber, with a mode field area of 465 μm2 at 1050 nm, delivering virtually diffraction limited output beam quality is demonstrated. Stimulated Raman threshold measurements are presented and a fundamental mode high-power beam transport with more than 350 W is shown.

Paper Details

Date Published: 19 May 2010
PDF: 11 pages
Proc. SPIE 7721, Solid State Lasers and Amplifiers IV, and High-Power Lasers, 772104 (19 May 2010); doi: 10.1117/12.854528
Show Author Affiliations
Moritz M. Vogel, Univ. Stuttgart (Germany)
Thomas Rataj, Univ. Stuttgart (Germany)
Armin Austerschulte, Univ. Stuttgart (Germany)
Andreas Popp, Univ. Stuttgart (Germany)
Marwan Abdou-Ahmed, Univ. Stuttgart (Germany)
Thomas Liebig, Univ. Stuttgart (Germany)
Andreas Voss, Univ. Stuttgart (Germany)
Thomas Graf, Univ. Stuttgart (Germany)

Published in SPIE Proceedings Vol. 7721:
Solid State Lasers and Amplifiers IV, and High-Power Lasers
Thomas Graf; Gerhard G. Paulus; Jacob I. Mackenzie; Vincent Bagnoud; Catherine Le Blanc; Helena Jelinkov√°, Editor(s)

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