Formation of Polarized Beams in Chains of Dielectric Spheres and Cylinders
Abstract
Using numerical modeling, it is shown that chains of dielectric spheres and cylinders act as polarizers. The mechanism is based on gradual filtering of periodically focused modes with a certain polarization propagating with minimal losses due to Brewster angles conditions, whereas orthogonally polarized modes are strongly attenuated. It is shown that chains of cylinders filter linearly polarized beams, whereas chains of spheres filter radially polarized beams. In the geometrical optics limit, we show that in a range of sphere refractive indices 1.68 1.80 a degree of radial polarization in excess of 0.9 can be obtained in 10-sphere-long chains.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 15, 2013
- Accession Number
- ADA604912
Entities
People
- Anatole Lupu
- Arsh Darafsheh
- Kenneth W. Allen
- Neda Mojaverian
- Nicholaos I. Limberopoulos
- Vasily N. Astratov
Organizations
- University of North Carolina at Charlotte