Improving Spatial Resolution of Time-gated Digital Optical Frequency Domain Reflectometry using Diode Laser Sources

Tianjiao Li; Qingwen Liu; Dian Chen; Xinyu Fan; Zuyuan He

doi:10.1364/APOS.2016.W4A.50

Asia Pacific Optical Sensors Conference
OSA Technical Digest (online) (Optica Publishing Group, 2016),
paper W4A.50
•https://doi.org/10.1364/APOS.2016.W4A.50

Improving Spatial Resolution of Time-gated Digital Optical Frequency Domain Reflectometry using Diode Laser Sources

Tianjiao Li, Qingwen Liu, Dian Chen, Xinyu Fan, and Zuyuan He

Asia-Pacific Optical Sensors Conference 2016

Shanghai China
11–14 October 2016
ISBN: 978-0-9600380-5-3

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Poster Session I (W4A)

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T. Li, Q. Liu, D. Chen, X. Fan, and Z. He, "Improving Spatial Resolution of Time-gated Digital Optical Frequency Domain Reflectometry using Diode Laser Sources," in Asia Pacific Optical Sensors Conference, OSA Technical Digest (online) (Optica Publishing Group, 2016), paper W4A.50.

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Abstract

To improve the spatial resolution of time-gated-digital OFDR, a pre-distorted DFB laser with current tuning is used to provide a large laser frequency tuning range, and 10-cm spatial resolution over 74-km fiber link is realized.

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