Reflections From Polished Single-Mode Fiber Ends

A. F. Judy; H. E. S. Neysmith

doi:10.1117/12.950713

15 January 1986 Reflections From Polished Single-Mode Fiber Ends

A. F. Judy, H. E. S. Neysmith

Proceedings Volume 0574, Fiber Optic Couplers, Connectors, and Splice Technology II; (1986) https://doi.org/10.1117/12.950713
Event: 29th Annual Technical Symposium, 1985, San Diego, United States

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.

Citation Download Citation

A. F. Judy and H. E. S. Neysmith "Reflections From Polished Single-Mode Fiber Ends", Proc. SPIE 0574, Fiber Optic Couplers, Connectors, and Splice Technology II, (15 January 1986); https://doi.org/10.1117/12.950713

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