Volume 23, Issue 1 pp. 75-84
Article
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Organic polymeric coatings for silica fibers. I. UV-curing epoxy acrylate (V1F)

H. Schonhorn

H. Schonhorn

Bell Laboratories, Murray Hill, New Jersey 07974

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S. Torza

S. Torza

Bell Laboratories, Murray Hill, New Jersey 07974

MacMillian Bloedel Res. Center, 3350 E. Broadway, Vancouver, B.C., Canada.

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R. V. Albarino

R. V. Albarino

Bell Laboratories, Murray Hill, New Jersey 07974

450 Ardsley Road, Scarsdale, New York 10583.

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H. N. Vazirani

H. N. Vazirani

Bell Laboratories, Murray Hill, New Jersey 07974

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T. T. Wang

T. T. Wang

Bell Laboratories, Murray Hill, New Jersey 07974

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First published: 1 January 1979
Citations: 15

Abstract

Coated optical fibers (∼100 μm) were prepared exhibiting fracture strengths in excess of 750 ksi (5.3 GN/m2) for lengths up to 100 meters. To achieve this we have developed a novel coating and coating application process. The coating is an epoxy acrylate, cured by UV irradiation, which may contain a multifunctional silane coupling agent. The coating liquid was applied to the fiber prior to solidification by an applicator, which facilitates centering of the fiber in the coating. Our coating system offers advantages in that there is no solvent to remove, thereby avoiding possible surface “corrosion” of the glass fiber. The reasonably low viscosity of the coating formulation allows for the extensive wetting of the fiber surface irregularities prior to solidification.

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