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Proceedings Paper

Interpretation Of SM Fiber OTDR Signatures
Author(s): M. S. O'Sullivan; R. S. Lowe
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Paper 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.

Paper Details

Date Published: 25 November 1986
PDF: 6 pages
Proc. SPIE 0661, Optical Testing and Metrology, (25 November 1986); doi: 10.1117/12.938609
Show Author Affiliations
M. S. O'Sullivan, Northern Telecom Canada Limited (Canada)
R. S. Lowe, Northern Telecom Canada Limited (Canada)


Published in SPIE Proceedings Vol. 0661:
Optical Testing and Metrology
Chander Prakash Grover, Editor(s)

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