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  1. 2 Acta Physica Polonica A

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  1. 1 2011

  2. 1 2008

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  1. 2 Kleiza V.

  2. 2 Verkelis J.

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Modified Fiber Optic System for Monitoring the Railgun Rail Deflections

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Kleiza V., Verkelis J.
Acta Physica Polonica A
|
2011
|
vol. 119
|
issue 2
271-273
EN
The work presents a research into adequacy of two models of an individual fiber optic sensor of a system of identical sensors, which is designed for measuring the railgun rail deflections. The presented models are compared with the data of an experiment. It has been found that a more simple model (in view of the scope of calculation) is more convenient as it concerns the calibration on the grounds of the data of the experiment.
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Frequency and Sensitivity Limited Fiber-Optic Transducers

100%
Kleiza V., Verkelis J.
Acta Physica Polonica A
|
2008
|
vol. 113
|
issue 3
1025-1028
EN
Modelling and experimental investigation of U-h characteristics of fiber-optic reflective displacement transducer, with the aim to obtain the maximal sensitivity and high speed in the displacement and vibration measurements, are presented. Excellent agreement between theory and experiment was obtained, therefore the limiting sensitivity of transducers can be predicted by modelling. Configurations of non-contact fiber optical transducers of the maximal possible sensitivity and speed were found, the metrological parameters which do not depend either on the degradation of the light source intensity or on elements used in the measurements, as well as on the value of the mirror reflection coefficient and changes due to aging. All that increases the reliability of measurement system, which is of utmost importance for process monitoring.
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