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Theoretical analysis of tuning coherent laser array for several applications |
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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