Propagation characteristics of tilted partially coherent rectangular flat-topped beam in turbulent atmosphere |
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| Authors: | F.D. Kashani M. Yousefi S.H. Golmohammady M.H. Ghezelayagh B. Ghafary |
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| Affiliation: | 1. Physics Department, Photonics Laboratory, Iran University of Science and Technology, Tehran, Iran;2. Electronic Department, Imam Hossein University, Babaei Highway, Tehran, Iran |
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| Abstract: | In this paper, the effects of atmospheric turbulence on the intensity distribution of a tilted Rectangular Partially Coherent Flat-Topped (RPCFT) beam were studied. An analytical formula for the intensity distribution was derived. POWER In Bucket (PIB) value is calculated numerically. The effects of source parameters – such as correlation length, order of flatness and tilt coefficient – on the intensity were analyzed. Detailed analysis demonstrates that these parameters have an influence on beam propagation properties. The analyses are illustrated by numerical examples and graphs. |
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| Keywords: | FSO communications Laser beam propagation Tilt aberration Turbulent atmosphere |
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