Conical refraction with low-coherence light sources

Abstract

We report on conical refraction (CR) with low-coherence light sources, such as light-emitting diodes and decoherentized HeNe laser radiation, and demonstrate different CR patterns. In our experiments, a variation of the pinhole sizes from 25 to 100 µm and the distances to pinhole from 50 to 5 cm reduced spatial coherence of radiation that resulted in the disappearance of the dark Poggendorff’s ring in the Lloyd’s plane. This is attributed to the interference nature of the Lloyd’s distribution and found to be in excellent agreement with the paraxial dual-cone model of conical refraction.

Publication DOI: https://doi.org/10.1364/OE.27.025428
Divisions: Engineering & Applied Sciences > Aston Institute of Photonics Technology
Engineering & Applied Sciences
Additional Information: © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
Full Text Link:
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
https://www.osa ... =oe-27-18-25428 (Publisher URL)
PURE Output Type: Article
Published Date: 2019-08-22
Accepted Date: 2019-08-08
Authors: Mylnikov, V. Y.U.
Losev, S. N.
Dudelev, V. V.
Fedorova, K. A.
Rafailov, E. U. (ORCID Profile 0000-0002-4152-0120)
Sokolovskii, G. S.

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