Iodine stained light polarizer

Details Iodine stained light polarizer Iodine stained light polarizer

1978-04-27

1979-09-04

Hoffman, James R.

Coating processes

Optical element produced

Polarizer, windshield, optical fiber, projection screen, or...

350154, 350155, G02B 108, G02B 110, G02B 530

Patent

active

041668715

ABSTRACT:
A visible range light polarizer is prepared by staining an oriented film of polyvinyl alcohol with a solution containing iodine and its red light dichroism is enhanced by treating the stained film with a boric acid solution containing a zinc salt.

REFERENCES:
patent: RE23297 (1950-11-01), Hyman et al.
patent: 2237567 (1941-04-01), Land
patent: 2328219 (1943-08-01), Land
patent: 2375963 (1945-05-01), Thomas
patent: 2554850 (1951-05-01), Binda

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