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Proceedings Paper

Frequency-modulated continuous wave reflectometry for 100-km fiber span backscatter measurement without using optical amplifier
Author(s): Jihong Geng; Christine Spiegelberg; Shibin Jiang
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Paper Abstract

Frequency-modulated continuous wave (FMCW) measurements of Rayleigh backscattering and Fresnel reflection from 95-km fiber have been demonstrated by using a compact piezo-electrically-tuned sub-kilohertz-linewidth fiber laser. This technique enables ultra-long fiber fault location in optical transmission systems. The high sensitivity (over-80dBm) of the long-range backscatter measurements without using optical amplifier are benefit from the extremely long coherence length of the sub-kilohertz linewidth fiber laser, which has been estimated to be 210 km in air.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623440
Show Author Affiliations
Jihong Geng, NP Photonics, Inc. (United States)
Christine Spiegelberg, NP Photonics, Inc. (United States)
Shibin Jiang, NP Photonics, Inc. (United States)

Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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