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Optics Letters

Optics Letters

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  • Vol. 36, Iss. 16 — Aug. 15, 2011
  • pp: 3118–3120

High average power spectral beam combining of four fiber amplifiers to 8.2 kW

Christian Wirth, Oliver Schmidt, Igor Tsybin, Thomas Schreiber, Ramona Eberhardt, Jens Limpert, Andreas Tünnermann, Klaus Ludewigt, Michael Gowin, Eric ten Have, and Markus Jung  »View Author Affiliations


Optics Letters, Vol. 36, Issue 16, pp. 3118-3120 (2011)
http://dx.doi.org/10.1364/OL.36.003118


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Abstract

We report on the incoherent beam combination of the four narrow-linewidth fiber amplifier chains running at different wavelengths. Each main amplifier stage consists of a large-mode-area photonic crystal fiber delivering more than 2 kW of optical power. The four output beams are spectrally combined to a single beam with an output power of 8.2 kW using a polarization-independent dielectric reflective diffraction grating mainly preserving the beam quality of the individual fiber amplifiers.

© 2011 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: June 22, 2011
Revised Manuscript: July 13, 2011
Manuscript Accepted: July 13, 2011
Published: August 10, 2011

Citation
Christian Wirth, Oliver Schmidt, Igor Tsybin, Thomas Schreiber, Ramona Eberhardt, Jens Limpert, Andreas Tünnermann, Klaus Ludewigt, Michael Gowin, Eric ten Have, and Markus Jung, "High average power spectral beam combining of four fiber amplifiers to 8.2 kW," Opt. Lett. 36, 3118-3120 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-16-3118

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