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INTEGRATED OPTICAL FIBER GYROSCOPE CHIP BASED ON SURFACE PLASMON POLARITON WAVEGUIDE
INTEGRATED OPTICAL FIBER GYROSCOPE CHIP BASED ON SURFACE PLASMON POLARITON WAVEGUIDE
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机译:基于表面等离子极化波的集成光纤陀螺芯片
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摘要
An integrated optical fiber gyroscope chip based on surface Plasmon Polariton waveguide is an integrated optical fiber gyroscope chip in which optical signal is transmitted through the surface Plasmon Polariton waveguide and the polymer optical waveguide which are connected with each other, and it is used in the optical fiber gyroscope field. From the input end to the output end, the optical fiber gyroscope chip sequentially has: an input waveguide (1) and the third output waveguide (7), a directional coupler (2), a symmetrical triple waveguide splitter (3), the first output waveguide (61) and the second output waveguide (62), wherein the input waveguide (1), the first output waveguide (61), the second output waveguide (62) and the third output waveguide (7) are polymer optical waveguides, but the directional coupler (2) and the symmetrical triple waveguide splitter (3) are made from the surface Plasmon Polariton waveguide. The chip utilizes the transmission characteristics of the surface Plasmon Polariton waveguide to realize the single polarization of long-distance transmission of the optical signal, and directly modulates the surface Plasmon Polariton waveguide core layer, and removes influence of the leakage light to the precision of the fiber gyroscope through the specific structure.
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