Article
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Vector Optical Bullets in Dielectric Media: Polarization Structures and Group Velocity Effects
Version 1
: Received: 7 April 2024 / Approved: 8 April 2024 / Online: 8 April 2024 (05:16:04 CEST)
A peer-reviewed article of this Preprint also exists.
Laurinavičius, K.; Orlov, S.; Gajauskaitė, A. Vector Optical Bullets in Dielectric Media: Polarization Structures and Group-Velocity Effects. Appl. Sci. 2024, 14, 3984. Laurinavičius, K.; Orlov, S.; Gajauskaitė, A. Vector Optical Bullets in Dielectric Media: Polarization Structures and Group-Velocity Effects. Appl. Sci. 2024, 14, 3984.
Abstract
Theoretical studies on the generation of nondiffracting and nondispersive light pulses and their experimental implementation are one of the renowned problems within electromagnetics. Current technologies enable creation of short-duration pulses of a few cycles with high power and fluency. An application of these techniques to the field of nondiffracting and nondispersive pulses requires a proper mathematical description of highly focused vector pulses. In this work, we study vector optical bullets in a dielectric medium with different polarization structures: linear, azimuthal, and radial. We report the differences caused by the vector model compared to the scalar model. We analyze effects caused by superluminal, subluminal, or even negative group velocity on properties of vector optical bullets inside a dielectric material.
Keywords
Optical bullets; Focus wave modes; Polarization; Diffraction; Dispersion; Nondiffracting beams; Nondispersing pulses
Subject
Physical Sciences, Optics and Photonics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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