Innovative Fibre-Optic Rotational Seismograph

Innovative Fibre-Optic Rotational Seismograph

Construction, laboratory tests as well as the first field application of a new fibre-optic rotational seismograph is presented. The system based on fibre-optic gyroscope (FOG) with measured Angle Random Walk on range 10−8 rad/Sqrt(s) and a few rad/s maximum detectable amplitude of rotation in freque...

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Veröffentlicht in:Proceedings 2019-11, Vol.15 (1), p.45
Hauptverfasser: Leszek R. Jaroszewicz, Anna Kurzych, Zbigniew Krajewski, Jerzy K. Kowalski, Henryk A. Kowalski, Krzysztof P. Teisseyre
Format: Artikel
Sprache:eng
Schlagworte:
fibre optic sensor
rotational events
rotational seismograph
rotational seismology
seismology
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Beschreibung
Zusammenfassung:Construction, laboratory tests as well as the first field application of a new fibre-optic rotational seismograph is presented. The system based on fibre-optic gyroscope (FOG) with measured Angle Random Walk on range 10−8 rad/Sqrt(s) and a few rad/s maximum detectable amplitude of rotation in frequency range from DC to 328.12 Hz designed it for rotational seismology area of interest. This work presents also exemplary relevant measurements which were conducted using two seismographs in the geophysical observatory in Książ region, Poland.
ISSN:2504-3900
DOI:10.3390/proceedings2019015045