| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Effect of turbulent atmosphere on the on-axis average intensity of Pearcey-Gaussian beam |
| F Boufalah, L Dalil-Essakali, H Nebdi, A Belafhal |
| Laboratory of Nuclear, Atomic, and Molecular Physics, Department of Physics, Faculty of Sciences, Chouaïb Doukkali University, P. O. Box 20, 24000 El Jadida, Morocco |
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Abstract The propagation characteristics of the Pearcey-Gaussian (PG) beam in turbulent atmosphere are investigated in this paper. The Pearcey beam is a new kind of paraxial beam, based on the Pearcey function of catastrophe theory, which describes diffraction about a cusp caustic. By using the extended Huygens-Fresnel integral formula in the paraxial approximation and the Rytov theory, an analytical expression of axial intensity for the considered beam family is derived. Some numerical results for PG beam propagating in atmospheric turbulence are given by studying the influences of some factors, including incident beam parameters and turbulence strengths.
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Received: 08 September 2015
Revised: 10 January 2016
Accepted manuscript online:
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PACS:
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42.68.Bz
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(Atmospheric turbulence effects)
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42.60.Jf
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(Beam characteristics: profile, intensity, and power; spatial pattern formation)
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Corresponding Authors:
A Belafhal
E-mail: belafhal@gmail.com
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Cite this article:
F Boufalah, L Dalil-Essakali, H Nebdi, A Belafhal Effect of turbulent atmosphere on the on-axis average intensity of Pearcey-Gaussian beam 2016 Chin. Phys. B 25 064208
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