Journal
JOURNAL OF MODERN OPTICS
Volume 57, Issue 8, Pages 621-631Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340.2010.483291
Keywords
laser array beams; propagation factor; turbulent atmosphere
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Funding
- Foundation for the Author of National Excellence Doctoral Dissertation of P.R. China [200928]
- Natural Science Foundation of Jiangsu Province [BK2009114]
- National Natural Science Foundation of China [10904102]
- Huo Ying Dong Education Foundation of China [121009]
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The propagation factors of phased locked laser array beams of radial and rectangular symmetries in a turbulent atmosphere are investigated based on the extended Huygens-Fresnel integral and the Wigner distribution function. Analytical propagation formulae for the propagation factors are derived and numerical examples are illustrated. We find that unlike their propagation invariant properties in free space, the propagation factors of laser array beams increase when propagating in turbulent atmosphere, and are closely related to the parameters of initial beams and the atmosphere.
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