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Proceedings Article

High-power linear-polarized narrow linewidth photonic crystal fiber amplifier

[+] Author Affiliations
Christian Wirth, Andreas Tünnermann

Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany) and Friedrich-Schiller-Univ. (Germany)

Thomas Schreiber, Miroslaw Rekas, Igor Tsybin, Thomas Peschel, Ramona Eberhardt

Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)

Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75801H (February 17, 2010); doi:10.1117/12.841650
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From Conference Volume 7580

  • Fiber Lasers VII: Technology, Systems, and Applications
  • Kanishka Tankala
  • San Francisco, California, USA | January 23, 2010

abstract

We report on the high power amplification of narrow linewidth laser radiation with close to diffraction limited beam quality using a large mode area photonic crystal fiber amplifier. The observation of threshold-like higher order mode amplification by transverse spatial-hole burning at the highest power level is reported. The measured M² stays below 1.3 but increases at the critical power level, where the fundamental mode turns into the next higher order mode. At the maximum power of 1.2 kW a linewidth of <80 pm limited by self-phase modulation is obtained.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Christian Wirth ; Thomas Schreiber ; Miroslaw Rekas ; Igor Tsybin ; Thomas Peschel, et al.
"High-power linear-polarized narrow linewidth photonic crystal fiber amplifier", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75801H (February 17, 2010); doi:10.1117/12.841650; http://dx.doi.org/10.1117/12.841650


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