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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 29, Iss. 5 — May. 1, 2012
  • pp: 702–710

Theoretical analysis of tuning coherent laser array for several applications

Xiaohua Wang, Yi Zheng, Feng Shen, and Changhui Rao  »View Author Affiliations


JOSA A, Vol. 29, Issue 5, pp. 702-710 (2012)
http://dx.doi.org/10.1364/JOSAA.29.000702


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Abstract

Theoretical analysis for the far-field diffraction of the coherent laser array (CLA) is presented. Based on the theoretical model of the propagation of CLA, the conditions and restrictions for coherent beam combination, two-dimensional steering, and dark-hollow beam generation are theoretically described in detail. With properly organized phase distributions and tilt control, the peak location of the far-field pattern of the CLA could shift two-dimensionally in a large scale of steering angle. With additional amplitude modulation, the far-field pattern could have special shapes. The simulated results agree with the theoretical analysis. It is a feasible way to realize all these applications by a CLA with well-arranged phase distributions and/or additional amplitude modulation.

© 2012 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3290) Lasers and laser optics : Laser arrays

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 17, 2011
Revised Manuscript: December 23, 2011
Manuscript Accepted: December 23, 2011
Published: April 12, 2012

Citation
Xiaohua Wang, Yi Zheng, Feng Shen, and Changhui Rao, "Theoretical analysis of tuning coherent laser array for several applications," J. Opt. Soc. Am. A 29, 702-710 (2012)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-29-5-702

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