Fibre optic connectors with high-return-loss performance

Michael Paul Knott; R. Johnson; K. Cooke; P. C. Longhurst

doi:10.1117/12.21960

1 September 1990 Fibre optic connectors with high-return-loss performance

Michael Paul Knott, R. Johnson, K. Cooke, P. C. Longhurst

Proceedings Volume 1314, Fibre Optics '90; (1990) https://doi.org/10.1117/12.21960
Event: Fibre Optics '90, 1990, London, United Kingdom

Abstract

This paper describes the development of a single mode fibre optic connector with high return loss performance without the use of index matching. Partial reflection of incident light at a fibre optic connector interface is a recognised problem where the result can be increased noise and waveform distortion. This is particularly important for video transmission in subscriber networks which requires a high signal to noise ratio. A number of methods can be used to improve the return loss. The method described here uses a process which angles the connector endfaces. Measurements show typical return losses of -55dB can be achieved for an end angle of 6 degrees. Insertion loss results are also presented.

Citation Download Citation

Michael Paul Knott, R. Johnson, K. Cooke, and P. C. Longhurst "Fibre optic connectors with high-return-loss performance", Proc. SPIE 1314, Fibre Optics '90, (1 September 1990); https://doi.org/10.1117/12.21960

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