Properties of circular cosh-gaussian beams focused by a thin lens system under a turbulent atmosphere

Autor:	M. Lazrek, Z. Hricha, A. Belafhal
Rok vydání:	2023
Předmět:	Electrical and Electronic Engineering Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials
Zdroj:	Optical and Quantum Electronics. 55
ISSN:	1572-817X 0306-8919
DOI:	10.1007/s11082-023-04773-1
Popis:	The propagation of a Circular cosh-Gaussian beam (CiChGB) through a paraxial ABCD optical system in a turbulent atmosphere is investigated based on the extended Collins formula and Rytov theory. In particular, the analytical expression for the on-axis average intensity of a CiChGB focused by a thin lens in a turbulent atmosphere is derived in detail. From the obtained formula, the on-axis intensity distribution of the output beam is discussed numerically with a comparison to direct propagation in free space. The influences of the turbulence strength and initial beam parameters on the on-axis intensity are examined. It is found that the on-axis intensity near the focus region is less affected by atmospheric turbulence compared to the free space.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3041e3cea5d93a7d10adc6263d60dd10 https://doi.org/10.1007/s11082-023-04773-1 Zobrazit plný text záznamu Full text from SpringerLink