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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 10 — Apr. 1, 2012
  • pp: 1546–1551

Coherent and incoherent combination of Gaussian beams employing lens array distributed on the spherical chamber

Zhihua Huang, Xiaofeng Wei, Mingzhong Li, Jianjun Wang, Honghuan Lin, Dangpeng Xu, Ying Deng, and Rui Zhang  »View Author Affiliations

Applied Optics, Vol. 51, Issue 10, pp. 1546-1551 (2012)

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Coherent and incoherent combination of Gaussian beams employing a lens array distributed on the spherical chamber is theoretically analyzed. The output field of each source in the array is coupled through an individual optical system whose local optical axis coincides with the radial direction of the chamber. The resulting intensity profile near the origin is derived. The intensity profile and power in the bucket on the target for rectangular and hexagonal arrangement are numerically calculated. The influences of the center-to-center separation and the ring number of the focusing lens array are given. The synthetic intensity profile of incoherent combination changes little for a lens array scale much smaller than the chamber size. In contrast, the synthetic intensity profile of coherent combination shows an interference pattern with a sharp central peak and sidelobes.

© 2012 Optical Society of America

OCIS Codes
(140.3290) Lasers and laser optics : Laser arrays
(140.3298) Lasers and laser optics : Laser beam combining
(140.3325) Lasers and laser optics : Laser coupling

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 27, 2011
Revised Manuscript: December 1, 2011
Manuscript Accepted: December 2, 2011
Published: March 29, 2012

Zhihua Huang, Xiaofeng Wei, Mingzhong Li, Jianjun Wang, Honghuan Lin, Dangpeng Xu, Ying Deng, and Rui Zhang, "Coherent and incoherent combination of Gaussian beams employing lens array distributed on the spherical chamber," Appl. Opt. 51, 1546-1551 (2012)

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