Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1984-02-23
1985-10-29
Schor, Kenneth M.
Glass manufacturing
Processes
Forming product or preform from molten glass
427167, 427264, C03B 3701
Patent
active
045498911
ABSTRACT:
A method of preparing an optical fiber includes the steps of applying a first cladding layer of a sinterable, glasseous particulate matter providing a selected index of refraction to a support surface, forming at least one longitudinally-extending groove in the layer prior to sintering, applying a deposit of glasseous particulate matter in said groove to ultimately define a core stripe having an index of refraction greater than that of the previously applied layer, applying a covering layer of glasseous particulate matter, sintering the various layers and the core strip to provide an optical fiber preform, and drawing the preform to provide an optical fiber having a rotationally non-symmetric characteristics with a core of higher index of refraction than the surrounding cladding.
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Polaroid Corporation
Schor Kenneth M.
Thornton David R.
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