Multi-layered dielectric film

Details Multi-layered dielectric film Multi-layered dielectric film

1989-06-19

1990-12-04

Sikes, William L.

Coherent light generators

Particular active media

Semiconductor

H01S 319

Patent

active

049759221

ABSTRACT:
A multi-layered dielectric film that is coated on the end surfaces or other surfaces of optical products, wherein said multi-layered dielectric film is composed of alternate layers consisting of two kinds of dielectric layer, one of which is a first dielectric layer of TiO.sub.2 or ZnS with a high refractive index n.sub.1 and the other of which is a second dielectric layer of Al.sub.2 O.sub.3 with a low refractive index n.sub.2.

REFERENCES:
patent: 3849738 (1974-11-01), Hakki
patent: 4280107 (1981-07-01), Scifres et al.
patent: 4483899 (1984-11-01), Kuwabara
patent: 4589115 (1986-05-01), Burnham et al.
Japanese Journal of Applied Physics vol. 26, No. 3, Mar., 1987 pp. 410-415, Kinoshita et al.

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