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按极化聚合物光波导器件的五层（金属－缓冲层－波导层—缓冲层－金属）对称模型，对于其金属包覆层的光学吸收所引起的光波传播损耗进行了理论分析和计算，给出了在单模条件下波导层和缓冲层折射率及其厚度之间的关系曲线．计算确定出单模极化聚合物光波导参数
According to the five-layer (metal-buffer-waveguide-buffer-metal) symmetric model of polarized polymer optical waveguide device, the optical wave propagation loss caused by the optical absorption of the metal cladding is theoretically analyzed and calculated. The relationship between the refractive index of the waveguide layer and the buffer layer and its thickness under single-mode conditions is given. The single mode polarization polymer optical waveguide parameters were calculated