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Proceedings Paper

Reflections From Polished Single-Mode Fiber Ends
Author(s): A. F. Judy; H. E. S. Neysmith
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Paper Abstract

When the end of a single-mode fiber is polished and placed in an index-matching liquid, a reflection will occur. Its amplitude depends on two factors: (1) the difference between the liquid's refractive index and that of the fiber and (2) the polishing procedure used. By proper choice of both, the end-reflection can be reduced to below -60 dB. When two well-polished fiber ends are joined together with a small, liquid-filled gap between them, the resulting reflection will be the coherent addition of the two individual end-reflections. By adjusting the gap, this reflection can be made either greater than or less than the indi-vidual end-reflections.

Paper Details

Date Published: 15 January 1986
PDF: 6 pages
Proc. SPIE 0574, Fiber Optic Couplers, Connectors, and Splice Technology II, (15 January 1986); doi: 10.1117/12.950713
Show Author Affiliations
A. F. Judy, AT&T Bell Laboratories (United States)
H. E. S. Neysmith, AT&T Bell Laboratories (United States)

Published in SPIE Proceedings Vol. 0574:
Fiber Optic Couplers, Connectors, and Splice Technology II
David W. Stowe, Editor(s)

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