High-efficiency reflection polarizer based on light interference in a Buried Low-INDex (BLIND) layer in a high-index substrate at high angles of incidence

Rasheed M. A. Azzam

doi:10.1117/12.138810

11 December 1992 High-efficiency reflection polarizer based on light interference in a Buried Low-INDex (BLIND) layer in a high-index substrate at high angles of incidence

Rasheed M. A. Azzam

Author Affiliations +

Proceedings Volume 1746, Polarization Analysis and Measurement; (1992) https://doi.org/10.1117/12.138810
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

A near-ideal, all-dielectric, reflection polarizer is described that employs selective totally destructive interference for the p polarization and constructive interference for the s polarization in a buried low-index (BLIND) film embedded in a high-index substrate near (within 10 degree(s) of) grazing incidence. A specific design is presented of an infrared polarizer that uses a film of refractive index 1.35 embedded in a Ge substrate of refractive index 4.1. Such a polarizer has a throughput for the s polarization of 92% and 99%, when operated at incidence angles of 80 degree(s) and 85 degree(s), respectively.

Citation Download Citation

Rasheed M. A. Azzam "High-efficiency reflection polarizer based on light interference in a Buried Low-INDex (BLIND) layer in a high-index substrate at high angles of incidence", Proc. SPIE 1746, Polarization Analysis and Measurement, (11 December 1992); https://doi.org/10.1117/12.138810

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