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Collective coherent phase combining of 64 fibers |
Optics Express, Vol. 19, Issue 18, pp. 17053-17058 (2011)
http://dx.doi.org/10.1364/OE.19.017053
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Abstract
A new architecture for active coherent beam combining of a large number of fibers is demonstrated. The approach is based on a self-referenced quadriwave shearing interferometer and active control with arrays of electro-optic ceramic modulators. Coherent phase combining of 64 independent amplified fibers is obtained. This is to our knowledge the highest reported number of combined fibers. A Strehl ratio degradation less than 2dB is achieved with a residual phase error <λ/10 rms.
© 2011 OSA
OCIS Codes
(140.3290) Lasers and laser optics : Laser arrays
(140.3298) Lasers and laser optics : Laser beam combining
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: June 27, 2011
Revised Manuscript: August 8, 2011
Manuscript Accepted: August 11, 2011
Published: August 16, 2011
Citation
Jérome Bourderionnet, Cindy Bellanger, Jérome Primot, and Arnaud Brignon, "Collective coherent phase combining of 64 fibers," Opt. Express 19, 17053-17058 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-18-17053
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