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Sensors 2012, 12(3), 3739-3746; doi:10.3390/s120303739

An Acousto-Optical Sensor with High Angular Resolution

V.E. Zuev Institute of Atmospheric Optics SB RAS, Tomsk, 634021, Russia
Author to whom correspondence should be addressed.
Received: 18 January 2012 / Revised: 1 March 2012 / Accepted: 8 March 2012 / Published: 20 March 2012
(This article belongs to the Section Physical Sensors)
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The paper introduces a new laser interferometry-based sensor for diagnosis of random media by means of high accuracy angle measurements and describes the results of its development and testing. Theoretical calculations of the dependence of the range of the laser interferometer on laser beam parameters, device geometry, and atmospheric turbulence characteristics are reported. It is demonstrated that at moderate turbulence intensities corresponding to those observed most frequently in turbulent atmosphere at moderate latitudes and with low interference contrast values, the performance range of the laser interferometer-based device exceeds 5 km. View Full-Text
Keywords: acousto-optical sensor; atmospheric turbulence; interference; laser beam acousto-optical sensor; atmospheric turbulence; interference; laser beam

This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Kaloshin, G.; Lukin, I. An Acousto-Optical Sensor with High Angular Resolution. Sensors 2012, 12, 3739-3746.

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