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telena electrical component is a sensor that converts the state of the measured object into a measurable optical signal. The working principle of a fiber optic sensor is to guide the light beam from the light source via an optical fiber into a modulator, where it interacts with external measured parameters, causing changes in the optical properties of the light such as intensity, wavelength, frequency, phase, and polarization state, thereby becoming a modulated optical signal. This signal is then transmitted via optical fiber to a photodetector and demodulator to obtain the measured parameters. Throughout this process, the light beam is introduced via the optical fiber, passes through the modulator, and is then emitted; the role of the optical fiber