Preprint Article Version 1 This version is not peer-reviewed

The Fiber-Optic Rotational Seismograph – Laboratory Tests and Field Application

Version 1 : Received: 3 May 2019 / Approved: 6 May 2019 / Online: 6 May 2019 (12:09:51 CEST)

A peer-reviewed article of this Preprint also exists.

Jaroszewicz, L.R.; Kurzych, A.; Krajewski, Z.; Dudek, M.; Kowalski, J.K.; Teisseyre, K.P. The Fiber-Optic Rotational Seismograph—Laboratory Tests and Field Application. Sensors 2019, 19, 2699. Jaroszewicz, L.R.; Kurzych, A.; Krajewski, Z.; Dudek, M.; Kowalski, J.K.; Teisseyre, K.P. The Fiber-Optic Rotational Seismograph—Laboratory Tests and Field Application. Sensors 2019, 19, 2699.

Journal reference: Sensors 2019, 19, 2699
DOI: 10.3390/s19122699

Abstract

The paper presents construction, laboratory tests as well as the first field application of a new fiber-optic rotational seismograph. The system based on fiber-optic gyroscope (FOG) with determined Angle Random Walk of the order of 10-8 rad/Sqrt(s) and a few rad/s maximum detectable amplitude of rotation in the frequency range from DC to 328.12 Hz. It has been designed for rotational seismology area of interest. This work also presents exemplary relevant measurements which were conducted using a set of two devices installed in the geophysical observatory in Książ, Poland.

Subject Areas

rotational seismograph; fiber optic sensor; rotational events; seismology; rotational seismology

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