Application of the fibre-optic interferometer as a rotational seismograph type AFORS

被引：0

作者：

Kurzych, Anna ^{[1
]}

Jaroszewicz, Leszek R. ^{[1
]}

Krajewski, Zbigniew ^{[1
]}

Teisseyre, Krzysztof P. ^{[2
]}

Kowalski, Jerzy K. ^{[3
]}

机构：

[1] Mil Univ Technol, Inst Appl Phys, 2 Gen Sylwestra Kaliskiego St, PL-00908 Warsaw, Poland

[2] Polish Acad Sci, Inst Geophys, PL-01452 Warsaw, Poland

[3] M Soft Ltd, PL-02790 Warsaw, Poland

来源：

19TH POLISH-SLOVAK-CZECH OPTICAL CONFERENCE ON WAVE AND QUANTUM ASPECTS OF CONTEMPORARY OPTICS | 2014年 / 9441卷

关键词：

fibre optic sensor; rotational seismograph; seismic events; remote control; Internet;

D O I：

10.1117/12.2076131

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this article we show a fibre-optic device based on the Sagnac effect designed for measuring rotational motions which appear during seismic events. The experimental investigations of presented Autonomous Fiber-Optical Rotational Seismographs indicate that such devices keep the accuracy no less than 5.1.10(-9) to 5.5.10(-8) rad/s in the frequency band from 0.83 Hz to 106.15 Hz. Furthermore, their operations are controlled fully remotely via Internet. We present the comparison of results obtained by such system in the field test with a mechanical rotational seismometer which is mounted simultaneously in the seismological observatory in Ksiaz, Poland.

引用

页数：4

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