1976-05-10
1978-09-19
Corbin, John K.
65 3A, 350 9634, G02B 514
Patent
active
041149807
ABSTRACT:
A low loss multilayer optical fiber having good transmission propertiesin the infrared region of the spectrum is produced by depositing the core and cladding materials on the inner surface of a collapsible silica tube in the absence of moisture. A barrier layer is interposed between the silica tube and the cladding to prevent the migration of OH and transition metal ions during the tube collapsing and fiber drawing processes.
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Payne et al., "A Borosilicate-Cladded Phosphosilicate-Core Optical Fibre," Optics Communications, vol. 13, No. 4, Apr. 1975, pp. 422-425.
Presby et al., "Material Structure of Germanium-Doped Optical Fibers . . .", Bell Syst. Tech. Journal, vol. 54, No. 10, Dec. 1975, pp. 1681-1692.
Payne et al., "Preparation of Water-Free Silica-Based Optical Fiber Waveguide," Elec. Letters, vol. 10, No. 16, Aug. 8, 1974, pp. 335-336.
Asam Adolf R.
Maklad Mokhtar S.
Corbin John K.
International Telephone and Telegraph Corporation
Lee John D.
O'Halloran John T.
Van Der Sluys Peter C.
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