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Proceedings Paper

Single-frequency 1178nm SDL/Yb-PBGF MOPA with an output power of 31 W
Author(s): Tomi Leinonen; Mingchen Chen; Xinyan Fan; Emmi Kantola; Akira Shirakawa; Mircea Guina
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Paper Abstract

We report on the use of a Semiconductor Disk Laser (SDL) as a seed laser for an Ytterbium-Doped Photonic Bandgap Fiber (Yb-PBGF) amplifier in a Master-Oscillator Power-Amplifier (MOPA) configuration. The SDL comprised a GaInAs/GaAs/GaAsP gain chip, a 1-mm-thick etalon for mode selection, and a 3-mm-thick birefringent filter for wavelength tuning. The fiber amplifier consisted of an Yb-doped core surrounded by a structure of periodically arranged germanium rods with a pitch of 10.2 μm, and to maintain the polarization, the fiber comprised two boron rods. The output of the MOPA-configuration was 31 W and the linewidth of the amplifier output was 149±31 kHz.

Paper Details

Date Published: 7 March 2014
PDF: 6 pages
Proc. SPIE 8961, Fiber Lasers XI: Technology, Systems, and Applications, 896105 (7 March 2014); doi: 10.1117/12.2040113
Show Author Affiliations
Tomi Leinonen, Tampere Univ. of Technology (Finland)
Mingchen Chen, The Univ. of Electro-Communications (Japan)
Xinyan Fan, The Univ. of Electro-Communications (Japan)
Emmi Kantola, Tampere Univ. of Technology (Finland)
Akira Shirakawa, The Univ. of Electro-Communications (Japan)
Mircea Guina, Tampere Univ. of Technology (Finland)

Published in SPIE Proceedings Vol. 8961:
Fiber Lasers XI: Technology, Systems, and Applications
Siddharth Ramachandran, Editor(s)

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