Abstract
The paper presents the results of an experimental study of specialized fiber-optic components of a fiber-optic gyroscope (FOG) developed and manufactured by PJSC PNPPK. The study aimed to test their resistance to continuous and pulse ionizing radiation (IR). When exposed to continuous IR, the FOG performance is determined by radiation-induced optical attenuation (RIA) of both the Panda-type polarization maintaining optical fiber (OF) of the gyroscope fiber circuit and the active OF, which is part of the superluminescent fiber radiation source (SFS), as well as by the average wave-length stability of the SFS. It is advisable to compensate a change in the average wavelength as a systematic error. In the case of pulse IR, the recovery time of the FOG is determined primarily by the relaxation time of the RIA of the Panda OF.
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