Ultra-Broadband Radial Polarization Conversion based on Goos-Hanchen Shift

TL;DR

This paper introduces a novel ultra-broadband method for radial polarization conversion utilizing the Goos-Hanchen shift during total internal reflection, enabling efficient polarization control over a wide wavelength range.

Contribution

It presents the first scheme to generate radially polarized light using Goos-Hanchen shift in cylindrically symmetric total internal reflection, achieving ultra-broadband operation.

Findings

Successful demonstration of radial polarization conversion

Achieves broadband operation over >1 micron wavelength difference

First to utilize Goos-Hanchen shift for this purpose

Abstract

We demonstrate, for the first time, a scheme that generates radially-polarized light using Goos-Hanchen shift of a cylindrically symmetric Total Internal Reflection. It allows ultra-broadband radial polarization conversion for wavelengths differing >1 micron.