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Proceedings Article

Robust single-mode ytterbium-doped large pitch fiber emitting 294 W

[+] Author Affiliations
Florian Jansen, Fabian Stutzki, Alexander Steinmetz, Cesar Jauregui

Friedrich-Schiller-Univ. Jena (Germany)

Tino Eidam, Jens Limpert

Friedrich-Schiller-Univ. Jena (Germany) and Helmholtz-Institut Jena (Germany)

Andreas Tünnermann

Friedrich-Schiller-Univ. Jena (Germany) and Helmholtz-Institut Jena (Germany) and Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)

Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 791417 (February 10, 2011); doi:10.1117/12.874756
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From Conference Volume 7914

  • Fiber Lasers VIII: Technology, Systems, and Applications
  • Jay W. Dawson
  • San Francisco, California, USA | January 22, 2011

abstract

Ytterbium-doped Large Pitch Fibers with very large mode areas are investigated in a high power fiber amplifier configuration. An average output power of 294 W is demonstrated, while maintaining robust single-mode operation with a mode field diameter of 62 μm. Compared to previous active large mode area designs the threshold of mode instabilities is increased by a factor of about 3.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Florian Jansen ; Fabian Stutzki ; Tino Eidam ; Alexander Steinmetz ; Cesar Jauregui, et al.
"Robust single-mode ytterbium-doped large pitch fiber emitting 294 W", Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 791417 (February 10, 2011); doi:10.1117/12.874756; http://dx.doi.org/10.1117/12.874756


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