Conical Refraction: Forgotten Phenomenon or Novel Tool for Phase Preservation of Orbital Angular Momentum of Light Propagating Through Scattering Media

Abstract

Conical refraction (CR) is a phenomenon observed when light is transformed into a hollow slanted cone propagating along an optical axis of a biaxial crystal and emerges as a cylinder of light behind the exit facet of the crystal [1]. The beam shape can display different patterns depending on the propagation length of the focused light (Fig. 1a). To study the CR effect and explore the propagation of the vortex-structured laser beam-shaped light carrying orbital angular momentum (OAM) through a scattering medium, we have developed a Mach-Zehnder interferometer (Fig. 1 b).

Publication DOI: https://doi.org/10.1109/cleo/europe-eqec65582.2025.11110757
Divisions: College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
College of Engineering & Physical Sciences > School of Engineering and Technology > Mechanical, Biomedical & Design
Aston University (General)
Funding Information: The research is supported by COST Actions CA21159 (PhoBioS) and CA23125 (TETRA).
Additional Information: Copyright © 2025 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
ISBN: 9798331512538, 9798331512521
Last Modified: 01 Oct 2025 17:19
Date Deposited: 03 Sep 2025 12:27
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Related URLs: https://ieeexpl ... cument/11110757 (Publisher URL)
http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Conference contribution
Published Date: 2025-08-15
Published Online Date: 2025-06-23
Accepted Date: 2025-03-27
Authors: Galiakhmetova, Diana (ORCID Profile 0000-0002-6222-2122)
Mohamed, Nawal
Khanom, Fatima
Sdobnov, Anton
Lopushenko, Ivan
Bykov, Alexander
Meglinski, Igor (ORCID Profile 0000-0002-7613-8191)
Rafailov, Edik (ORCID Profile 0000-0002-4152-0120)

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