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Proceedings Paper

Light manipulation by use of inhomogeneous anisotropic subwavelength structures
Author(s): Erez Hasman; Vladimir Kleiner; Nir Dahan; Avi Niv; Yaniv Yirmiyahu; Yuri Gorodetski
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Paper Abstract

The Pancharatnam-Berry phase is a geometric phase associated with the polarization of light. We present novel optical phase elements based on the space-domain Pancharatnam-Berry phase. Such elements can be realized using inhomogeneous anisotropic micro and nanostructures, where the geometric phase is induced by spin-to orbital angular momentum transfer. The elements are polarization dependent, thereby enabling multipurpose optical elements. Vectorial vortices, and vectorial vortex mode transformation for a hollow waveguide are demonstrated. Manipulating of thermal radiation by use of anisotropic micro and nanostructures is also investigated. We demonstrate an extraordinary coherent thermal radiation from coupled resonant cavities; each of them supports standing wave surface polaritons.

Paper Details

Date Published: 25 January 2008
PDF: 6 pages
Proc. SPIE 6905, Complex Light and Optical Forces II, 690509 (25 January 2008); doi: 10.1117/12.761139
Show Author Affiliations
Erez Hasman, Technion-Israel Institute of Technology (Israel)
Vladimir Kleiner, Technion-Israel Institute of Technology (Israel)
Nir Dahan, Technion-Israel Institute of Technology (Israel)
Avi Niv, Technion-Israel Institute of Technology (Israel)
Yaniv Yirmiyahu, Technion-Israel Institute of Technology (Israel)
Yuri Gorodetski, Technion-Israel Institute of Technology (Israel)

Published in SPIE Proceedings Vol. 6905:
Complex Light and Optical Forces II
David L. Andrews; Enrique J. Galvez; Gerard Nienhuis, Editor(s)

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