Interpretation Of SM Fiber OTDR Signatures

M. S. O'Sullivan; R. S. Lowe

doi:10.1117/12.938609

25 November 1986 Interpretation Of SM Fiber OTDR Signatures

M. S. O'Sullivan, R. S. Lowe

Proceedings Volume 0661, Optical Testing and Metrology; (1986) https://doi.org/10.1117/12.938609
Event: 1986 Quebec Symposium, 1986, Quebec City, Canada

Abstract

Single mode fiber signatures, obtained by OTDR (λ= 1.55μm), are interpreted using the Gaussian field approximation. Fiber loss is separated from mode field diameter (MFD) variation by means of a two-way measurement. OTDR measurements of fiber attenuation distributed MFD variations, splice loss and MFD mismatch at a splice are compared with cutback measurements of the attenuation and variable aperture measurements of MFD. In all cases, OTDR and the standard techniques are in good agreement, namely: ±0.01 dB/km for attenuation, ±0.08μm for distributed MFD variations, ±7% for splice loss and ±.16μm for MFD mismatch.

Citation Download Citation

M. S. O'Sullivan and R. S. Lowe "Interpretation Of SM Fiber OTDR Signatures", Proc. SPIE 0661, Optical Testing and Metrology, (25 November 1986); https://doi.org/10.1117/12.938609

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