2025, 04 April |
DOI: 10.14489/td.2025.04.pp.049-054 Stepanov M. V. Abstract. In article questions of creation of optical fiber sensors on the basis of the spectral and selection elements are considered. The block diagram of such sensors and the expression describing process of spectral transformation in the pickup are provided. Dependence of nonlinearity of the position characteristic of the sensor on its range of measurement and bandwidth of the spectral and selection element is considered and recommendations about increase of linearity of the position characteristic are provided. The analysis of the main and additional errors of the considered sensors is also provided in work. Proceeding from experimental results it is received that the greatest contribution to additional component of error is made by ChE making errors, caused by change of temperature. Also in work the assessment of high-speed performance of optical fiber sensors on the basis of the spectral and selection elements is provided. Keywords: fiber-optic sensor, the spectral and selection element, sensing element, Fabry‒Perot interferometer, linearity of the position characteristic, differential scheme.
M. V. Stepanov (Progress Rocket Space Centre, Samara, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
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