Optical waveguide soot preform with reduced inner layer stress a

Details Optical waveguide soot preform with reduced inner layer stress a Optical waveguide soot preform with reduced inner layer stress a

1980-05-01

1982-08-17

Corbin, John K.

65 311, G02B 5172

Patent

active

043446701

ABSTRACT:
A process for making a tubular optical waveguide preform for a high-numerical-aperture optical waveguide which comprises an inner compression layer for enhanced preform strength, and a soot preform produced in accordance with the process, are described.

REFERENCES:
patent: 3676043 (1972-07-01), Anderson et al.
patent: 3806570 (1974-04-01), Flamenbaum et al.
patent: 3823995 (1974-07-01), Carpenter
patent: 3826560 (1974-07-01), Schultz
patent: 3933454 (1976-01-01), DeLuca
patent: 4125388 (1978-11-01), Powers
patent: 4165223 (1979-08-01), Powers
patent: 4173305 (1979-11-01), Blankenship
"Material Structure of Germanium-Doped Optical Fibers and Preforms," H. M. Presby et al., Bell System Technical Journal, 54(10), pp. 1681-1692, (Dec. 1975).

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