Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1980-07-23
1984-10-23
Lindsay, Robert
Glass manufacturing
Processes
Forming product or preform from molten glass
65 182, C03C 2502
Patent
active
044786239
ABSTRACT:
Concentrations of dopants are changed while forming a gradient index optical waveguide so that an optimal index profile is produced even though the relationship between concentration and refractive index is not linear. This is accomplished by varying the concentrations of the dopants as a function of the radial distance from the center of said core substantially as:
REFERENCES:
patent: 3785718 (1974-01-01), Gloge
patent: 3826560 (1974-07-01), Schultz
patent: 4173305 (1979-11-01), Blankenship
Corning Glass Works
Kurtz R. E.
Lindsay Robert
Zebrowski W. S.
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