Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1975-09-03
1977-02-22
Hoffman, James R.
Glass manufacturing
Processes
Forming product or preform from molten glass
65DIG7, 350 96R, 350 96WG, 427163, G02B 514, C03C 2100
Patent
active
040090140
ABSTRACT:
A fiber optic preform is provided by depositing phosphorus pentoxide as a dopant on the bore of a silica tube to form a high refractive index layer and collapsing the tube to form a core of high index phosphorus pentoxide doped silica.
REFERENCES:
patent: 3659915 (1972-05-01), Maurer et al.
patent: 3737293 (1973-06-01), Maurer
Payne et al., "New Silica-Based Low-Loss Optical Fibre", in Electronics Letters, vol. 10(15), pp. 289-290, July 25, 1974.
Payne et al., "Preparation of Water-Free Silica-Based Optical Fibre Waveguide", in Electronics Letters, vol. 10(16), pp. 335-336, Aug. 8, 1974.
Luther-Davies et al., "Evaluation of Material Dispersion in Low Loss Phosphosilicate Core Optical Fibres", in Optics Communications, vol. 13, pp. 84-88, 1975.
Payne et al., "A Borosilicate-Cladded Phosphosilicate Core Optical Fibre", in Optics Communications, vol. 13(4), pp. 422-425, 1975.
Black Philip William
Irven John
Hoffman James R.
International Standard Electric Corporation
Menelly Richard A.
O'Halloran John T.
Van Der Sluys Peter C.
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