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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 3 — Feb. 2, 2009
  • pp: 1178–1183

2 kW incoherent beam combining of four narrow-linewidth photonic crystal fiber amplifiers

C. Wirth, O. Schmidt, I. Tsybin, T. Schreiber, T. Peschel, F. Brückner, T. Clausnitzer, J. Limpert, R. Eberhardt, A. Tünnermann, M. Gowin, E. ten Have, K. Ludewigt, and M. Jung  »View Author Affiliations


Optics Express, Vol. 17, Issue 3, pp. 1178-1183 (2009)
http://dx.doi.org/10.1364/OE.17.001178


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Abstract

We report on beam combining of four narrow-linewidth fiber amplifier chains, running at different wavelengths and each delivering 500 W optical output power. The main amplifier stage consists of a large mode area photonic crystal fiber. The four output beams of the amplifier chains are spectrally (incoherent) combined using a polarization-independent dielectric reflective diffraction grating to form an output beam of 2 kW continuous-wave optical power with good beam quality (M2x = 2.0, M2y = 1.8).

© 2009 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 21, 2008
Revised Manuscript: December 22, 2008
Manuscript Accepted: December 25, 2008
Published: January 16, 2009

Citation
C. Wirth, O. Schmidt, I. Tsybin, T. Schreiber, T. Peschel, F. Brückner, T. Clausnitzer, J. Limpert, R. Eberhardt, A. Tünnermann, M. Gowin, E. ten Have, K. Ludewigt, and M. Jung, "2 kW incoherent beam combining of four narrow-linewidth photonic crystal fiber amplifiers," Opt. Express 17, 1178-1183 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-3-1178


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References

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