Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Transmission-reflection analysis for localization of temporally successive multipoint perturbations in a distributed fiber-optic loss sensor based on Rayleigh backscattering

Not Accessible

Your library or personal account may give you access

Abstract

A novel method is presented for the localization of multipoint loss-inducing perturbations in a distributed fiber-optic sensor. The proposed simple technique is based on measurement of the transmitted and the Rayleigh-backscattered powers of an unmodulated light launched into a sensing fiber. The positions of consecutive perturbations are determined by measuring the slopes of the dependence of normalized Rayleigh-backscattering power versus the square of normalized transmitted power. It is shown that these slopes uniquely depend on the positions of the disturbances along the test fiber. The method allows localization of any number of the perturbations that appear one after another at different positions along the test fiber without ambiguity. Good agreement is obtained between calculated and experimentally measured slopes for a loss that was consecutively induced near the source and remote ends of 2.844-km-long fiber.

© 2003 Optical Society of America

Full Article  |  PDF Article
More Like This
Multi-wavelength transmission-reflection analysis for fiber monitoring

Min Cen, Jiajia Chen, Véronique Moeyaert, Patrice Mégret, and Marc Wuilpart
Opt. Express 22(25) 31248-31262 (2014)

Localization and quantification of reflective events along an optical fiber using a bi-directional TRA technique

Min Cen, Véronique Moeyaert, Patrice Mégret, and Marc Wuilpart
Opt. Express 22(8) 9839-9853 (2014)

Machine learning-based analysis of multiple simultaneous disturbances applied on a transmission-reflection analysis based distributed sensor using a nanoparticle-doped fiber

Letícia Avellar, Anselmo Frizera, Helder Rocha, Mariana Silveira, Camilo Díaz, Wilfried Blanc, Carlos Marques, and Arnaldo Leal-Junior
Photon. Res. 11(3) 364-372 (2023)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (8)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (20)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved