Practical implementation of deformation survey system using stimulated Mandelstam – Brillouine scattering
UDC: 622.691.4:535.92
DOI: -
Authors:
ZHUIKOV GEORGIY O.
1,
KRUPPA ZAKHAR P.1
1 OptoMonitoring, Moscow, Russia
Keywords: stimulated Brillouin scattering, geotechnical monitoring, distributed fiber sensing, distributed strain measurements, distributed temperature measurements, strain monitoring, pipeline monitoring system, soil deformation monitoring instrument, deformation survey system
Annotation:
The article describes results of laboratory measurements of dependencies of Brillouin frequency shift for fiber-optic sensors (FOS) of Russian and foreign manufacture as part of the system of the registration of soil deformation (SRGD) built on the basis of answering equipment using Brillouin stimulated scattering (BSS) on longitudinal strain, lateral offset and temperature. A brief report describing the laboratory equipment as well as graphs of dependences obtained in the course of testing is presented. The examples of SRGD practical use are given. The information about the structure of deformation survey system based on fiber optic sensing (FOS), theoretical grounds of deformation and temperature physical measurements using stimulated Brillouin scattering phenomena is provided. The current situation and the prospects for import substitution of the stimulated Brillouin scattering system components are mentioned.
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