Process of making a holographic optical article

Radiation imagery chemistry: process – composition – or product th – Holographic process – composition – or product – Composition or product or process of making the same

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2041592, 350 361, 430 1, G03C 504

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043741894

ABSTRACT:
A holographic optical article of manufacture and a process for making it made from a polymeric material in the form of film which is transparent in the infrared region and which is photochemically modified to change its index of refraction.

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patent: 4022855 (1977-05-01), Hamblen

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