The laboratory investigation of the innovative sensor for torsional effects in engineering structures’ monitoring

• Autorzy: Kurzych A. , Kowalski J. K. , Sakowicz B. , Krajewski Z. , Jaroszewicz L. R.

Identyfikatory

DOI

10.1515/oere-2016-0017

• Języki publikacji: EN

Abstrakty

EN

The main objective of this work is to characterize the performance of an interferometric fibre sensor which has been designed in order to register rotational phenomena, both in seismological observatories and engineering constructions. It is based on a well−known Sagnac effect which enables to detect one−axis rotational motions in a direct way and without any reference system. The presented optical fibre sensor – FOSREM allows to measure a component of rotation in a wide range of signal amplitude form 10^–8 rad/s to 10 rad/s, as well as frequency from 0 Hz to the upper frequency from 2.56 Hz to 328.12 Hz. The laboratory investigation of our system indicated that it keeps theoretical sensitivity equal to 2·10^–8 rad/s/Hz1/2 and accuracy no less than 3·1^–8 to 1.6·10^–6 rad/s in the above mentioned frequency band. Moreover, system size that equals 0.36×0.36×0.16 m and opportunity to remotely control the system via Internet by special server make FOSREM a mobile and autonomous device.

Słowa kluczowe

EN

torsional effects; interferometer; sensor; engineering construction; rotational seismology

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2016
• Tom: Vol. 24, No. 3
• Strony: 134--143
• Opis fizyczny: Bibliogr. 30 poz., wykr.

Twórcy

autor

Kurzych A.

• Institute of Applied Physics, Military University of Technology, ul. Kaliskiego 2, 00–908 Warsaw, Poland

autor

Kowalski J. K.

• m−Soft Ltd., ul. Sotta Sokoła 4–9, 02–790 Warsaw, Poland

autor

Sakowicz B.

• Dep. of Microelectronics and Computer Science, Lodz University of Technology, ul. Wólczańska 221/223, 90–924 Łódź, Poland

autor

Krajewski Z.

• Institute of Applied Physics, Military University of Technology, ul. Kaliskiego 2, 00–908 Warsaw, Poland

autor

Jaroszewicz L. R.

• Institute of Applied Physics, Military University of Technology, ul. Kaliskiego 2, 00–908 Warsaw, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.