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Proceedings Article

Fermionic transformation rules for spatially filtered light beams in conical refraction

[+] Author Affiliations
Yurii V. Loiko, Todor K. Kalkanjiev, Jordi Mompart

Univ. Autònoma de Barcelona (Spain)

Maria A. Bursukova

Conerefringent Optics SL (Spain)

Edik U. Rafailov

Univ. of Dundee (United Kingdom)

Proc. SPIE 7950, Complex Light and Optical Forces V, 79500D (February 16, 2011); doi:10.1117/12.874602
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From Conference Volume 7950

  • Complex Light and Optical Forces V
  • David L. Andrews; Enrique J. Galvez; Jesper Glückstad
  • San Francisco, California | January 22, 2011

abstract

In conical refraction, when a collimated light beam passes along the optic axis of a biaxial crystal it refracts conically giving rise to a characteristic conical refraction (CR) ring. At each point of the CR ring the light electric field is linearly polarized with the polarization plane rotating along the ring such that every two opposite points of the ring present orthogonal linear polarizations. With a pinhole we have spatially filtered a small part of the CR ring and experimentally reported that this filtered light does not yield a ring pattern when it refracts along the optic axis of a second biaxial crystal, called the CR-analyzer in what follows. Instead, after crossing the CR-analyzer the filtered beam splits into two beams with orthogonal linear polarizations that correspond to two opposite points of the otherwise expected CR ring. We have experimentally derived the transformation rules of the filtered beam. For a CR-analyzer rotated by an angle ω around the optic axis, the filtered beam splits in two beams with intensities following the fermionic transformation rule cos2 (ω / 2) , in contrast to the Malus law of cos 2ω followed by double refraction.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Yurii V. Loiko ; Maria A. Bursukova ; Todor K. Kalkanjiev ; Edik U. Rafailov and Jordi Mompart
"Fermionic transformation rules for spatially filtered light beams in conical refraction", Proc. SPIE 7950, Complex Light and Optical Forces V, 79500D (February 16, 2011); doi:10.1117/12.874602; http://dx.doi.org/10.1117/12.874602


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