10.14489/td.2025.06.pp.040-045

2025, 06 June

DOI: 10.14489/td.2025.06.pp.040-045

Stepanov M. V.
INFLUENCE OF TEMPERATURE ON THE METROLOGICAL CHARACTERISTICS OF FIBER-OPTIC SENSORS WITH A CLOSED OPTICAL CHANNEL
(pp. 40-45)

Abstract. In article questions of influence of temperature on metrological characteristics of optical fiber sensors with the closed optical channel with the pickups based on different effects are considered. Approximation of rated temperature dependences of function of transfer of the sensor is for this purpose carried out and sensitivity coefficients are found. Further, using the sensitivity coefficients found, the values of the additional temperature error of fiber-optic sensors measuring the following physical quantities were determined: angular displacement, tactile force and pressure. For the purpose of reduction of additional temperature error of the considered sensors the creation option with differential turning on of pickups has been considered. It has allowed to reduce additional temperature error of sensors more than much. For further reduction of size of additional temperature error of optical fiber sensors carrying out individual calibration of each copy of the sensor is offered.

Keywords: fiber-optic sensor, the approximating polynom, sensing element, additional temperature error, differential scheme of inclusion.

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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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