Preparation of low absorption transparent thallium iodide films

Details Preparation of low absorption transparent thallium iodide films Preparation of low absorption transparent thallium iodide films

1977-06-08

1978-08-29

Hoffman, James R.

Coating processes

Optical element produced

Transparent base

427160, 427162, G02B 110

Patent

active

041104897

ABSTRACT:
A protective layer is prepared for water soluble optical elements. A process for obtaining clear thallium iodide (TlI) films of 1 to 2 micron thickness on potassium chloride (KCl) substrate. The high index of refraction (2.34 - 2.46 at 10.6 microns) makes this coating material attractive as a component in an antireflection system of coatings.

REFERENCES:
patent: 3959548 (1976-05-01), Bernal
patent: 4009300 (1977-02-01), Chaffin

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