On the dual-cone nature of the conical refraction phenomenon

Turpin, A., Loiko, Yu., Kalkandjiev, T. K., Tomizawa, H. and Mompart, J. (2015). On the dual-cone nature of the conical refraction phenomenon. Optics Letters, 40 (8), pp. 1639-1642.

Abstract

In conical refraction (CR), a focused Gaussian input beam passing through a biaxial crystal and parallel to one of the optic axes is transformed into a pair of concentric bright rings split by a dark (Poggendorff) ring at the focal plane. Here, we show the generation of a CR transverse pattern that does not present the Poggendorff fine splitting at the focal plane, i.e., it forms a single light ring. This light ring is generated from a nonhomogeneously polarized input light beam obtained by using a spatially inhomogeneous polarizer that mimics the characteristic CR polarization distribution. This polarizer allows modulating the relative intensity between the two CR light cones in accordance with the recently proposed dual-cone model of the CR phenomenon. We show that the absence of interfering rings at the focal plane is caused by the selection of one of the two CR cones. (C) 2015 Optical Society of America

Publication DOI: https://doi.org/10.1364/OL.40.001639
Divisions: Engineering & Applied Sciences > Aston Institute of Photonics Technology
Additional Information: © 2015 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: https://doi.org/10.1364/OL.40.001639. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
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Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
https://www.osa ... ri=ol-40-8-1639 (Publisher URL)
Published Date: 2015-04-15
Authors: Turpin, A.
Loiko, Yu.
Kalkandjiev, T. K.
Tomizawa, H.
Mompart, J.

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