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Large-mode-area double clad ytterbium-doped tapered fiber with circular birefringence
Author(s): Joona Rissanen; Andrei Fedotov; Teppo Noronen; Regina Gumenyuk; Yuri Chamorovskiy; Alexander Kolosovskii; Victor Voloshin; Igor Vorobev; Maxim Odnoblyudov; Valery Filippov
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Paper Abstract

We demonstrated, for the first time to our best knowledge, an active tapered double clad fiber with circular birefringence and 35 μm core diameter. The output radiation had perfect beam quality (M2=1.18/1.1) and linearly polarized light with 15 dB of PER. The developed double clad active fiber was investigated for amplification of picosecond pulses in allfiber MOPA system. The MOPA system delivered 50 ps pulses with 55 W of the average power revealed 34.4 dB gain of the booster amplifier.

Paper Details

Date Published: 7 March 2019
PDF: 8 pages
Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 1089725 (7 March 2019); doi: 10.1117/12.2508811
Show Author Affiliations
Joona Rissanen, Ampliconyx Oy (Finland)
Tampere Univ. (Finland)
Andrei Fedotov, Tampere Univ. (Finland)
Teppo Noronen, Ampliconyx Oy (Finland)
Regina Gumenyuk, Ampliconyx Oy (Finland)
Tampere Univ. (Finland)
Yuri Chamorovskiy, Kotelnikov Institute of Radio Engineering and Electronics (Russian Federation)
Alexander Kolosovskii, Kotelnikov Institute of Radio Engineering and Electronics (Russian Federation)
Victor Voloshin, Kotelnikov Institute of Radio Engineering and Electronics (Russian Federation)
Igor Vorobev, Kotelnikov Institute of Radio Engineering and Electronics (Russian Federation)
Maxim Odnoblyudov, Ampliconyx Oy (Finland)
Valery Filippov, Ampliconyx Oy (Finland)


Published in SPIE Proceedings Vol. 10897:
Fiber Lasers XVI: Technology and Systems
Adrian L. Carter; Liang Dong, Editor(s)

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