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- W2031688601 abstract "Three-component seismometer is widely used in oil or gas exploration, earth quake monitoring. In this paper, an allmetal 3-component optical fiber seismometer is proposed and experimentally demonstrated. The theoretical analysis is given based on electro-mechanical theory. Calibration results show that axis sensitivity is 41 dB (re: 0 dB=1 rad/g) with a fluctuation ±2 dB in frequency bandwidth of 5~400 Hz. A transverse sensitivity of about -40 dB is achieved. The fluctuation of the acceleration sensitivity for the three accelerometers in the seismometer is within ±2.5 dB. The minimum phase demodulation detection accuracy of the phase-generated carrier (PGC) is 10<sup>-5</sup> rad/√Hz, and the minimum detectable acceleration is calculated to be 90 ng/√Hz. With an all-metal structure, the proposed seismometer is expected to improve reliability of long-term use in harsh environment such as ocean bottom seismic wave monitoring in oil or gas exploration." @default.
- W2031688601 created "2016-06-24" @default.
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- W2031688601 date "2013-10-15" @default.
- W2031688601 modified "2023-09-25" @default.
- W2031688601 title "Fiber optic three-component seismometer" @default.
- W2031688601 doi "https://doi.org/10.1117/12.2029170" @default.
- W2031688601 hasPublicationYear "2013" @default.
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