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Simulation method of reflectance measurement error using the OTDR

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4 Author(s)
P. Blanchard ; BNM-LCIE, Fontenay-aux-Roses, France ; J. Dubard ; L. Ducos ; R. Thauvin

This letter presents an algorithm relating two different optical time-domain reflectometer (OTDR) reflectance measurement methods. From the impulse response of an OTDR, and the attenuation and reflectance values of a reflective event supplied by the OTDR operating according to a first classical implemented method, the algorithm allows the determination of the reflectance that would be measured according to a second more accurate method. Over a 10-dB comparison range the deviations between experimental results and those obtained with the proposed algorithm do not exceed 0.5 dB.

Published in:

IEEE Photonics Technology Letters  (Volume:10 ,  Issue: 5 )