An optimised technique for backscatter attenuation measurements in optical fibres

Conduit, A.J., Hullett, J.L., Hartog, A.H. and Payne, D.N. (1980) An optimised technique for backscatter attenuation measurements in optical fibres. Optical & Quantum Electronics, 12, (2), 169-178. (doi:10.1007/BF00619560).


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A technique which gives maximum range and sensitivity for estimating fibre attenuation from the backscattered light has been evolved. With this technique stability problems in the source and receiver are overcome by taking two different time samples for each pulse launched into the fibre, the attenuation being derived from the ratio of the two samples. An analysis indicates that an optimum operating strategy exists in terms of the choice of system parameters such that the range over which attenuation can be measured is maximized. Results indicate that local loss measurements can be performed on fibre sections which are remote from the source by a distance corresponding to a fibre attenuation of 27 dB. Furthermore, preliminary experimental results are presented to demonstrate the viability of the technique.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1007/BF00619560
ISSNs: 0306-8919 (print)
1572-817X (electronic)
Related URLs:
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
Divisions : University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 78680
Accepted Date and Publication Date:
Date Deposited: 11 Mar 2010
Last Modified: 31 Mar 2016 13:13

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