30 July 1999 Highly sensitive ruggedized fiber optic vibrometer for unattended ground sensor
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Abstract
Vibration sensors provide very important information for an unattended ground sensor network. For this specific application, a vibration sensor must be extremely robust and must have very high sensitivity and very low power consumption. The authors experimentally demonstrated two schemes of fiber optic interferometric sensors capable of sensing vibrations with amplitudes of a few tens of picometers in the frequency range below 1 kHz. The proposed schemes consist of commercially available components and make possible fabrication of a ruggedized, highly sensitive sensor with low power consumption.
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Paul I. Shnitser, Paul I. Shnitser, Il'ya P. Agurok, Il'ya P. Agurok, Aramais A. Avakian, Aramais A. Avakian, "Highly sensitive ruggedized fiber optic vibrometer for unattended ground sensor", Proc. SPIE 3713, Unattended Ground Sensor Technologies and Applications, (30 July 1999); doi: 10.1117/12.357142; https://doi.org/10.1117/12.357142
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