Light absorptive film provided with a reflection preventive mean

Details Light absorptive film provided with a reflection preventive mean Light absorptive film provided with a reflection preventive mean

1980-07-01

1983-05-03

Arnold, Bruce Y.

G02B 110

Patent

active

043818838

ABSTRACT:
A light absorptive film comprising a light absorptive metallic layer and layer of dielectric material arranged on the incidence side of said light absorptive metallic layer, said light absorptive film being so adapted as to reduce reflection on said metallic layer by composing it in such a manner that the reflected wave produced at the boundary surface between said metallic layer and said layer of dielectric material is canceled by the reflected wave produced at the boundary surface of the other side of said metallic layer.

REFERENCES:
patent: 2647441 (1953-08-01), Boydston et al.
patent: 3649359 (1972-03-01), Apfel et al.
Pacey, D. J., "Multilayer Anti-reflection Coatings for Optical Components", Manufacturing Optics International, vol. 22, No. 5, Nov. 1969, pp. 270, 271, 273, 275-277, 279, 281 and 283.
Kard, P. G., "Theory of Increasing the Transparency of Metallic Coatings", Optics and Spectroscopy, vol. 9, No. 2, Aug. 1960, pp. 129-131.
Reele, Cavlo, "Reflectance of Metallic Films Coated with Dielectric Layers", Manufacturing Optician International, vol. 22, No. 1, Jul. 1969, pp. 9 and 11-13.

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