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Fiber-optic gyroscope with depolarizers in a fiber coil located between a light source and a polarizer
Fiber-optic gyroscope with depolarizers in a fiber coil located between a light source and a polarizer
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机译:光纤陀螺仪,在光源和偏振器之间的光纤线圈中具有去偏振器
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摘要
A fiber-optic gyroscope having a depolarizer installed near the fiber coil and a polarizer disposed in the optical path before the light is divided in two partial lights to avoid the fluctuation of the light power passing reversely through the polarizer induced by the rotation of the polarization plane of the light. However, since the light emitting device emits a linearly polarized light, the light power first passing through the polarizer will fluctuate by the rotation of the polarization plane. This invention adds another depolarizer between the light emitting device and the polarizer in order to kill such a fluctuation.
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