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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 7 — Apr. 1, 2013
  • pp: 1019–1021

Target-in-the-loop coherent beam combination of 100 W level fiber laser array based on an extended target with a scattering surface

Yanxing Ma, Pu Zhou, Rumao Tao, Lei Si, and Zejin Liu  »View Author Affiliations

Optics Letters, Vol. 38, Issue 7, pp. 1019-1021 (2013)

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Target-in-the-loop coherent beam combination (TIL CBC) of a 100 W level fiber laser array has been demonstrated. In the experiment, the beams from nine 10 W level fiber amplifiers achieve a scattering surface target after transmitting 10 m in free space. When the phase control system goes into close loop, atmosphere turbulence could be effectively compensated and a stable fringe pattern could be obtained on the scattering surface with 85% fringe contrast. To our best knowledge, this is the TIL CBC with the highest output power and the largest number of laser beams. Additionally, the effect of atmosphere turbulence on the backward paths on TIL CBC has been studied experimentally.

© 2013 Optical Society of America

OCIS Codes
(140.3290) Lasers and laser optics : Laser arrays
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 1, 2012
Revised Manuscript: February 19, 2013
Manuscript Accepted: February 19, 2013
Published: March 20, 2013

Yanxing Ma, Pu Zhou, Rumao Tao, Lei Si, and Zejin Liu, "Target-in-the-loop coherent beam combination of 100 W level fiber laser array based on an extended target with a scattering surface," Opt. Lett. 38, 1019-1021 (2013)

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