Precision phase retardation devices and method of making same
Files
Published version
Date
2006-05-23
DOI
Authors
Nikolov, Anguel
Wang, Jian
Deng, Xuegong
Zhang, Wei
Blonder, Greg
Version
Published version
OA Version
Citation
Anguel Nikolov, Jian Wang, Xuegong Deng, Wei Zhang, Greg Blonder. "Precision phase retardation devices and method of making same." U.S. Patent Application 10/633,372.
Abstract
A birefringent device of substantially uniform thickness less than about 10 microns, and being suitable for operating in a wavelength range about a central wavelength is disclosed. The device includes a base substrate, a layer of periodic index regions of alternating refractive indices applied to a first surface of the base substrate, and a cap substrate located substantially adjacent to the layer distal to the base substrate. The layer of periodic index regions has a periodicity of less than the central wavelength. The device being suitable to produce an arbitrary phase retardation between 0 and 2