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      Review of the Usefulness of Various Rotational Seismometers with Laboratory Results of Fibre-Optic Ones Tested for Engineering Applications

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          Abstract

          Starting with descriptions of rotational seismology, areas of interest and historical field measurements, the fundamental requirements for rotational seismometers for seismological and engineering application are formulated. On the above basis, a review of all existing rotational seismometers is presented with a description of the principles of their operation as well as possibilities to fulfill formulated requirements. This review includes mechanical, acoustical, electrochemical and optical devices and shows that the last of these types are the most promising. It is shown that optical rotational seismometer based on the ring-laser gyroscope concept is the best for seismological applications, whereas systems based on fiber-optic gyroscopes demonstrate parameters which are also required for engineering applications. Laboratory results of the Fibre-Optic System for Rotational Events & Phenomena Monitoring using a small 1-D shaking table modified to generate rotational excitations are presented. The harmonic and time-history tests demonstrate its usefulness for recording rotational motions with rates up to 0.25 rad/s.

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          Most cited references 102

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          Sagnac Effect

           E. J. POST (1967)
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            Ring-laser tests of fundamental physics and geophysics

             G E Stedman (1997)
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              Fiber ring interferometer.

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                Author and article information

                Contributors
                Role: Academic Editor
                Role: Academic Editor
                Role: Academic Editor
                Journal
                Sensors (Basel)
                Sensors (Basel)
                sensors
                Sensors (Basel, Switzerland)
                MDPI
                1424-8220
                16 December 2016
                December 2016
                : 16
                : 12
                Affiliations
                [1 ]Faculty of Advanced Technologies and Chemistry, Military University of Technology, 2 gen. Sylwestra Kaliskiego St., Warsaw 00-908, Poland; jarosz@ 123456wat.edu.pl (L.R.J.); zbigniew.krajewski@ 123456wat.edu.pl (Z.K.); pawel.marc@ 123456wat.edu.pl (P.M.)
                [2 ]m-Soft Ltd., 9-4 Sotta Sokoła St., Warsaw 02-790, Poland; jkk@ 123456m-soft.pl
                [3 ]Faculty of Civil Engineering and Architecture, Opole University of Technology, 48 Katowicka St., Opole 45-061, Poland; p.bobra@ 123456po.opole.pl (P.B.); z.zembaty@ 123456po.opole.pl (Z.Z.)
                [4 ]Department of Microelectronics and Computer Science, Lodz University of Technology, 221/223 Wólczańska St., Lodz 90-924, Poland; sakowicz@ 123456dmcs.pl
                [5 ]Faculty of Civil and Environmental Engineering, Gdansk University of Technology, 11/12 Gabriela Narutowicza St., Gdansk 80-233, Poland; jankowr@ 123456pg.gda.pl
                Author notes
                [* ]Correspondence: anna.kurzych@ 123456wat.edu.pl ; Tel.: +48-261-839-014
                Article
                sensors-16-02161
                10.3390/s16122161
                5191140
                27999299
                © 2016 by the authors; licensee MDPI, Basel, Switzerland.

                This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license ( http://creativecommons.org/licenses/by/4.0/).

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