[HTML][HTML] Propagation characteristics of dark and antidark Gaussian beams in turbulent atmosphere

M Yaalou, EM El Halba, Z Hricha, A Belafhal - Optical and Quantum …, 2019 - Springer
In this work, we investigated theoretically the propagation characteristics of dark and
antidark Gaussian beams (DADGBs) in turbulent atmosphere. Based on the Huygens …

[HTML][HTML] Propagation analysis of Whittaker–Gaussian laser beam in a gradient-index medium

N Nossir, L Dalil-Essakali, A Belafhal - Optical and Quantum Electronics, 2023 - Springer
In this paper, the propagation of Whittaker–Gaussian beam passing through a gradient-
index (GRIN) medium is studied. Based on the extended Huygens–Fresnel diffraction …

Partially coherent conical refraction promises new counter-intuitive phenomena

VY Mylnikov, VV Dudelev, EU Rafailov… - Scientific Reports, 2022 - nature.com
In this paper, we extend the paraxial conical refraction model to the case of the partially
coherent light using the unified optical coherence theory. We demonstrate the …

[HTML][HTML] Propagation characters of dark and antidark Gaussian laser beams in collisionless magnetized plasma

MB Mane, SS Patil, PT Takale, KY Khandale, PP Nikam… - Journal of Optics, 2024 - Springer
Theoretical investigation of propagation dynamics of dark and antidark Gaussian (DADG)
laser beams in magnetized plasma has been presented. Main source of nonlinearity in …

[HTML][HTML] Investigation on Airy transform of four-petal Gaussian beams

M Yaalou, Z Hricha, A Belafhal - Optical and Quantum Electronics, 2020 - Springer
The transformation of Four-petal Gaussian (FPG) beam by an Optical Airy Transform System
(OATS) is examined theoretically. The generalized expression of the output generated field …

Conical refraction with flat-topped vortex hollow beam through biaxial crystals

F Saad, A Belafhal - Optik, 2024 - Elsevier
This paper presents a new theoretical method to determine conical refraction (CR) with a
light beam by examining the flat-topped vortex hollow beam in a biaxial crystal. The …

[HTML][HTML] Production of Airy-related beams by an Airy transform optical system

M Yaalou, Z Hricha, EM El Halba, A Belafhal - Optical and Quantum …, 2019 - Springer
Based on the process of Huygens–Fresnel diffraction integral, we investigate theoretically
the characteristics of fields generated by diffracted controllable dark-hollow beams (CDHBs) …

[HTML][HTML] Generation of spiraling Bessel beams from Dark/Antidark Gaussian beams diffracted by a curved fork-shaped hologram

M Yaalou, EM El Halba, Z Hricha, A Belafhal - Optical and Quantum …, 2019 - Springer
In this paper, we present a theoretical study on the generation of spiraling Bessel beams by
illuminating a curved fork-shaped hologram (CFH) by spatially coherent dark/antidark …

Partially coherent conical refraction

VY Mylnikov, VV Dudelev, EU Rafailov… - arXiv preprint arXiv …, 2022 - arxiv.org
In this paper, we extend the paraxial conical refraction model to the case of the partially
coherent light using the unified optical coherence theory. We demonstrate the …

[PDF][PDF] Effect of complex phase plate on tight focusing of azimuthally polarized dark and anti-dark Gaussian beam

JW Charles, M Udhayakumar, KB Rajesh… - J. Environ …, 2019 - nanoient.org
This study was focused on azimuthally polarized Dark and Anti-dark Gaussian (DADG)
beams passing through a high numerical aperture lens (NA). The Vector Diffraction theory …