Gradient index optical components

Details Gradient index optical components Gradient index optical components

1980-08-13

1986-03-25

Lee, John

Glass manufacturing

Processes

Forming product or preform from molten glass

350 9631, 350413, G02B 618

Patent

active

045780960

ABSTRACT:
An optical component having a gradient refractive index produced by multiple windings of a glass fiber over a glass mandrel. The fiber is provided with a refractive index gradation which varies from an approximate match with the mandrel to selected lower values along its length thereby causing refractive index in the depth of windings to vary accordingly. Fusion and drawing of the mandrel and windings provide a rod (or fiber) of solid cross-section having a radial index gradient of predetermined profile.

REFERENCES:
patent: 2992517 (1961-07-01), Hicks, Jr.
patent: 3791806 (1974-02-01), Koizumi et al.
patent: 3843228 (1974-10-01), Yoshiyagawa et al.
patent: 3941474 (1976-03-01), Kitano et al.
patent: 4053205 (1977-10-01), Miller
patent: 4106850 (1978-08-01), Marcatili
patent: 4277271 (1981-07-01), Krohn

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