Reflection light preventive device making use of Faraday effect

Details Reflection light preventive device making use of Faraday effect Reflection light preventive device making use of Faraday effect

1990-07-09

1991-03-26

Hellner, Mark

G02F 109

Patent

active

050023705

ABSTRACT:
There is disclosed a reflection light preventive device comprising a cylinder-like transparent glass body being included many granulated permanent magnets therein to be possessed of the Faraday effect and a .lambda./4 polarizer disposed at the front and rear of said glass body respectively in a shifted relation each other in their planes of polarization.

REFERENCES:
patent: 4375910 (1983-03-01), Seki
patent: 4756607 (1988-07-01), Watanabe et al.

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