1984-06-15
1989-04-18
Sikes, William L.
350 9630, G02B 610
Patent
active
048221368
ABSTRACT:
A single mode optical fiber of stepped index of refraction. Both core and cladding are fabricated of pure fused silica doped with a small base percentage of fluorine to substantially eliminate hydroxyl ions and reduce viscosity. In addition to the base amount of fluorine, the cladding contains a further amount for lowering its index of refraction relative to that of the core and for further reducing viscosity.
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Caufield Francis J.
Polaroid Corporation
Sikes William L.
Ullah Akm E.
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