Inorganic, dielectric, grid polarizer and non-zero order...

Details Inorganic, dielectric, grid polarizer and non-zero order... Inorganic, dielectric, grid polarizer and non-zero order...

2007-01-31

2009-12-08

Shafer, Ricky D (Department: 2872)

Optical: systems and elements

Polarization without modulation

Polarization variation over surface of the medium

C359S490020, C359S506000, C359S569000, C359S575000, C359S576000

Reexamination Certificate

active

07630133

ABSTRACT:
An inorganic, dielectric grid polarizer includes an optical stack with a diffraction grating and an inorganic, dielectric grid polarizer. The inorganic, dielectric grid polarizer includes a stack of film layers with an array of parallel ribs in accordance with PGP<λ/2 where PGPis the period of the ribs and λ is the wavelength of the light. The diffraction grating includes an array of elongated parallel dielectric ribs in accordance with PDG>λ/2 where PDGis the period of the ribs.

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