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在可见光域（６３２．８ｎｍ光波段）研制出钛扩散铌酸锂质子交换光波导偏振器。同时，给出波导偏振器参数测试装置。在理论上，利用物理光学和波导色散理论分析与计算了这种偏振器的消光比，分析了影响器件性能的各种因素。理论计算与实验结果符合良好
Titanium-diffused lithium niobate proton exchange optical waveguide polarizers were fabricated in the visible region (632.8 nm optical band). At the same time, the waveguide polarizer parameter testing device is given. In theory, the extinction ratio of this polarizer is analyzed and calculated by the theory of physical optics and waveguide dispersion, and various factors that affect the performance of the device are analyzed. The theoretical calculation and experimental results are in good agreement