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A Laser Receiver of Ultrasound with Two Measuring Channels

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Abstract

A contactless broadband optical receiver of ultrasound based on a modified Michelson interferometer is described. The receiver has two measuring channels and the following main specifications: sensitivity, 5 × 105 V/m; frequency reproduction range, 0.1–50 MHz; sensitivity threshold, 2 × 10–14 m/Hz1/2; and maximum detectable oscillation amplitude, 30 nm (the relative error of the amplitude measurement does not exceed 5%).

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REFERENCES

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Authors and Affiliations

  1. Dal'standart All-Russia Research Institute of Physicotechnical Measurements, ul. K. Marksa 65, Khabarovsk, 680000, Russia

    P. V. Bazylev

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  1. P. V. Bazylev
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Bazylev, P.V. A Laser Receiver of Ultrasound with Two Measuring Channels. Instruments and Experimental Techniques 46, 99–101 (2003). https://doi.org/10.1023/A:1022508012390

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  • DOI: https://doi.org/10.1023/A:1022508012390

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