Optical fiber with low OH impurity and communication system usin

Details Optical fiber with low OH impurity and communication system usin Optical fiber with low OH impurity and communication system usin

1995-03-13

1997-11-25

Palmer, Phan T.H.

Optical waveguides

Optical fiber waveguide with cladding

385125, 385126, 372 6, 65391, 65399, G02B 616

Patent

active

056920873

ABSTRACT:
An optical fiber formed from a glass preform substantially free of OH impurities is disclosed. The optical fiber is made to be free of OH impurities by a method having the steps of introducing a moving stream of vapor mixture including at least one compound glass-forming precursor together with an oxidizing medium into a tube, while generating a hydrogen-fee isothermal plasma on an outer surface of the tube to react the mixture and produce a glassy deposit on an inner surface of the tube. The glass preform is drawn to produce the optical fiber.

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Th. Hunlich et al., "Fiber-Preform Fabrication Using Plasma Technology: A Review", Journal of Optical Communications , vol. 8, No. 4, pp. 122-129 (1987). No Month.
Y. Hassler, "A Homogeneous Heating Technique In Perform Manufacturing", Journal of Lightwave Technology, vol. LT-4, No. 10, pp. 1567-1570 (1986). Oct.

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