Wire grid polarizer

Details Wire grid polarizer Wire grid polarizer

1982-08-31

1985-04-23

Arnold, Bruce Y.

350 16, 350373, G02F 111

Patent

active

045126380

ABSTRACT:
An infrared wire grid polarizer is fabricated on an infrared transmissive substrate and consists of alternating transmissive and conductive zones disposed thereon. These polarizers are particularly well suited for use with acoustic-optic tunable filters and can be employed as input and output polarizers therewith. A method of manufacturing a wire grid polarizer with at least 4000 conductors per millimeter is disclosed. The infrared transmissive substrate is selected from the group consisting of silicon crystal and gallium arsenide crystal.

REFERENCES:
patent: 3792287 (1974-02-01), Roland et al.
patent: 3799659 (1974-03-01), Roland et al.
patent: 3929970 (1975-12-01), Isaacs et al.
patent: 4289381 (1981-07-01), Garvin et al.
Chang, I. C., "Acousto-Optic Tunable Filters", Optical Engineering, vol. 20, No. 6, pp. 824-829.
Auton et al., "Grid Polarizers for Use in the Near Infrared" Infrared Physics, vol. 12, pp. 95-100, 1972.
Auton, "Infrared Transmission Polarizers by Photolithography", Applied Optics, vol. 6, No. 6, pp. 1023-1027.

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