Light polarizer and method of producing the light polarizer

Details Light polarizer and method of producing the light polarizer Light polarizer and method of producing the light polarizer

1997-11-25

1999-11-23

Shafer, Ricky D.

Optical: systems and elements

Polarization without modulation

Polarization variation over surface of the medium

359490, 4271631, G02B 530

Patent

active

059910755

ABSTRACT:
A polarizer and method of making the polarizer includes forming plural grooved lines on a surface of a supporting body that is transparent to visible light. The plural grooved lines are straight, concave and parallel to one another. Respective of the plural grooved lines include a sidewall portion that has a fine line formed thereon where the fine line constitutes a residual portion of a larger thin film that was subjected to an etching process. The fine line is composed of a semiconductor a metal or a combination of the two.

REFERENCES:
patent: 3453039 (1969-07-01), Osborne
patent: 3942873 (1976-03-01), Shimotakahara
patent: 4512638 (1985-04-01), Sriram et al.
patent: 5245471 (1993-09-01), Iwatsuka et al.

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