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Ultra-large mode area single frequency anisotropic MOPA with double clad Yb-doped tapered fiber
Author(s): Teppo Noronen; Andrei Fedotov; Joona Rissanen; Regina Gumenyuk; Oleg Butov; Yuri Chamorovskii; Konstantin Golant; Maxim Odnoblyudov; Valery Filippov
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Paper Abstract

We demonstrates all-fiber master oscillator – power amplifier delivered 70W output power at 1033.33nm with 8 kHz FWHM linewidth without any problems with SBS. The anisotropic ytterbium doped tapered double clad amplifier with 50 μm MFD and polarization extinction ratio about 30 dB is developed as a burst stage. The output radiation demonstrated perfect beam quality (M2=1.03/1.08).

Paper Details

Date Published: 26 February 2018
PDF: 6 pages
Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105121T (26 February 2018); doi: 10.1117/12.2288942
Show Author Affiliations
Teppo Noronen, Ampliconyx Oy (Finland)
Andrei Fedotov, Peter the Great St. Petersburg State Polytechnical Univ. (Russian Federation)
Joona Rissanen, Tampere Univ. of Technology (Finland)
Regina Gumenyuk, Ampliconyx Oy (Finland)
Tampere Univ. of Technology (Finland)
Oleg Butov, Kotel'nikov Institute of Radio Engineering and Electronics (Russian Federation)
Yuri Chamorovskii, Kotel'nikov Institute of Radio Engineering and Electronics (Russian Federation)
Konstantin Golant, Kotel'nikov Institute of Radio Engineering and Electronics (Russian Federation)
Maxim Odnoblyudov, Peter the Great St. Petersburg State Polytechnical Univ. (Russian Federation)
Valery Filippov, Ampliconyx Oy (Finland)
Peter the Great St. Petersburg State Polytechnical Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10512:
Fiber Lasers XV: Technology and Systems
Ingmar Hartl; Adrian L. Carter, Editor(s)

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