Optical elements

Details Optical elements Optical elements

1972-07-19

1976-05-11

Church, Craig E.

350166, G02B 110

Patent

active

039558827

ABSTRACT:
An optical element and a method of forming such an optical element are disclosed. The optical element comprises a base of optically transparent material, a layer or several layers of material having selected physical and optical properties, and a coating integrally formed to the substrate and having substantially the same optical properties as the substrate so that the said layer or layers is or are effectively embedded therein. The layer or layers may be discontinuous e.g. formed as stripes, or patterned and the optical properties may be reflective, transmissive, absorptive, spectrally selective, photo-sensitive, photo-emissive or any combination of these depending on the circumstances. If several layers are provided these may be all identical or one or more may be different, having different optical properties and/or different physical properties of size, shape and pattern.

REFERENCES:
patent: 3410626 (1968-11-01), Magrath
patent: 3551590 (1970-12-01), Boothroyd
patent: 3597050 (1971-08-01), Plumat

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