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Proceedings Paper

Cold-Induced Losses In Loose-Sheath Fiber-Optic Cables
Author(s): V. M. Holliday; R. M. Gilbert
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Paper Abstract

Graded-index fiber in a loose-sheath cable experiences optical power losses due to bending at cold temperatures. This bending is due to the more rapid. contraction of the loose sheathing relative to the fiber. The bending produces localized. changes in the density of the glass which disturb the waveguiding effect of the graded-index fiber and decrease the transmitted optical power. In recent experiments fiber optic cables have been tested at temperatures ranging from -100°C to +23°C. Significant but reversible optical power losses and a marked hysteresis have been observed. when SIECOR 122 and 222 cables have been gradually cooled from room temperature to -100°C and then returned to room temperature. Cables ranging in length from 9 to 24 m have been tested, giving an average increase in attenuation at -100°C of 0.150 db/m.

Paper Details

Date Published: 22 January 1982
PDF: 3 pages
Proc. SPIE 0296, Fiber Optics in Adverse Environments I, (22 January 1982); doi: 10.1117/12.932431
Show Author Affiliations
V. M. Holliday, U.S. Army Electronics Research and Development Command (United States)
R. M. Gilbert, U.S. Army Electronics Research and Development Command (United States)


Published in SPIE Proceedings Vol. 0296:
Fiber Optics in Adverse Environments I
Peter B. Lyons, Editor(s)

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