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Browsing by Author "Bell, Lebohang T"

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Corroboration of a multi-phase screen model

Author: Mabena, Chemist M ; Bell, Lebohang T ; Roux, FS Date: Feb 2019 The solution of the infinitesimal propagation equation for atmospheric propagation of single-photon and entangled quantum states, represented in terms of Laguerre-Gauss modes, which is a discrete orbital angular momentum (OAM) basis, is ... Read more
Digital laser for on-demand intracavity selective excitation of second harmonic higher-order modes

Author: Bell, Lebohang T ; Kgomo, Mosima B ; Ngcobo, Sandile Date: May 2020 In this article, we demonstrate selective excitation of second harmonic higher-order modes inside a diode end-pumped solid-state laser resonator that comprises of a nonlinear potassium titanyl phosphate (KTP) crystal and a digitally addressed ... Read more
Excitation of high-radial-order Laguerre-Gaussian modes in a solid-state laser using lower-loss digitally controlled amplitude mask

Author: Bell, Lebohang T ; Hasnaoui, A ; Ait-Ameur, K ; Ngcobo, Sandile Date: Sep 2017 In this paper, we experimentally demonstrate selective excitation of highradial-order Laguerre-Gaussian (LGp or LGp;0) modes with radial-order, p = 1 - 4 and azimuthal-order, l = 0, using a diode-pump solid-state laser (DPSSL) that is digitally ... Read more

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Browsing by Author "Bell, Lebohang T"

Browsing by Author "Bell, Lebohang T"

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