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IEICE TRANSACTIONS on Communications

Restorability of Rayleigh Backscatter Traces Measured by Coherent OTDR with Precisely Frequency-Controlled Light Source

Mutsumi IMAHAMA, Yahei KOYAMADA, Kazuo HOGARI

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Summary :

This letter presents the first experimental results that confirm the restorability of Rayleigh backscatter traces from a single-mode fiber measured by using a coherent optical time domain reflectometer (OTDR) with a precisely frequency-controlled light source. Based on this restorability, we can measure the distributed strain and temperature along the fiber with a very high measurand resolution that is one to two orders of magnitude better than that provided by Brillouin-based techniques for a long length of fiber.

Publication
IEICE TRANSACTIONS on Communications Vol.E91-B No.4 pp.1243-1246
Publication Date
2008/04/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e91-b.4.1243
Type of Manuscript
LETTER
Category
Sensing

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