Abstract
The operating principle of an optical-fiber piezoe lectric modulator of the optical path in all-opti-cal-fiber interferometers is described. The control system of the optical-fiber piezoelectric modulator is composed of a controller based on a field programmable gate array, a digital-to-analog converter, an analog low-pass filter, and a power amplifier. A 4.4-m/s speed of chan ge in the optical length of the fiber has been attained with an error of 0.1% at a modulation length of the optical path of >1 mm.
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Original Russian Text © V.M. Gelikonov, G. V. Gelikonov, S. Yu. Ksenofontov, D.A. Terpelov, P.A. Shilyagin, 2010, published in Pribory i Tekhnika Eksperimenta, 2010, No. 3, pp. 133–136.
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Gelikonov, V.M., Gelikonov, G.V., Ksenofontov, S.Y. et al. A control system for the optical-fiber piezoelectric modulator of the optical path. Instrum Exp Tech 53, 443–446 (2010). https://doi.org/10.1134/S0020441210030218
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DOI: https://doi.org/10.1134/S0020441210030218