Generalized tensor ABCD law for an elliptical Gaussian beam passing through an 
astigmatic optical system in turbulent atmosphere

Cai, Yangjian; Lin, Q.; Eyyuboglu, H. T.; Baykal, Y.

doi:10.1007/s00340-008-3339-1

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Generalized tensor ABCD law for an elliptical Gaussian beam passing through an astigmatic optical system in turbulent atmosphere

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Cai, Yangjian
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Cai, Y., Lin, Q., Eyyuboglu, H. T., & Baykal, Y. (2009). Generalized tensor ABCD law for an elliptical Gaussian beam passing through an astigmatic optical system in turbulent atmosphere. APPLIED PHYSICS B-LASERS AND OPTICS, 94(2), 319-325. doi:10.1007/s00340-008-3339-1.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6C13-C

Abstract

The propagation of an elliptical Gaussian beam (EGB) through an astigmatic ABCD optical system in a turbulent atmosphere is investigated. An analytical formula for the average intensity of an EGB and a generalized tensor ABCD law for the generalized complex curvature tensor are derived. As an application example, we derived an analytical formula for the average intensity of an elliptical flat-topped beam propagating through an astigmatic ABCD optical system in a turbulent atmosphere. As a numerical example, the focusing properties of an EGB focused by a thin lens in a turbulent atmosphere are studied. It is found that the focused beam at the focal plane becomes a circular Gaussian beam when the atmospheric turbulence is strong enough, and the beam width of the circular Gaussian beam is determined by atmospheric turbulence strength, focal length of the thin lens, and wavelength of the initial beam but is independent of the initial beam widths (i.e., initial intensity distribution).