Abstract

An all-transparent symmetric trilayer structure, which consists of a high-index center layer coated on both sides by a low-index film and embedded in a high-index prism, can function as an efficient polarizer or polarizing beam splitter under conditions of frustrated total internal reflection over a wide range of incidence angles. For a given set of refractive indices, all possible solutions for the thicknesses of the layers that suppress the reflection of either the p or s polarization at a specified angle, as well as the reflectance of the system for the orthogonal polarization, are determined. A 633  nm design that uses a MgF2ZnSMgF2 trilayer embedded in a ZnS prism achieves an extinction ratio (ER)>40  dB from 50° to 80° in reflection and an ER>20  dB from 58° to 80° in transmission. IR polarizers that use CaF2GeCaF2 trilayers embedded in a ZnS prism are also considered.

© 2006 Optical Society of America

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Errata

Rasheed M. A. Azzam and Siva R. Perla, "Polarizing properties of embedded symmetric trilayer stacks under conditions of frustrated total internal reflection: erratum," Appl. Opt. 46, 431-433 (2007)
https://www.osapublishing.org/ao/abstract.cfm?uri=ao-46-3-431

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