Method of producing dielectric diffraction gratings or dielectri

Details Method of producing dielectric diffraction gratings or dielectri Method of producing dielectric diffraction gratings or dielectri

1979-02-02

1981-01-06

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 3A, 65 4B, 65 67, 264 1, 264158, 427163, 4272552, C03B 3700

Patent

active

042433983

ABSTRACT:
There is disclosed a method of producing dielectric diffraction gratings. This method comprises (a) preparing a preform by forming one upon another layers of two or more glasses having different refractive indices at a given period, and (b) cutting the preform into flat pieces.

REFERENCES:
patent: 1125468 (1915-01-01), Carnahan
patent: 3282666 (1966-11-01), Gallagher et al.
patent: 3711262 (1973-01-01), Keck et al.
patent: 3771983 (1973-11-01), Straka
patent: 3775075 (1973-11-01), Keck et al.
patent: 3823995 (1974-07-01), Carpenter
patent: 4087266 (1978-05-01), Irven et al.
patent: 4154591 (1979-05-01), French et al.

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