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通过对几种常见单轴双折射晶体的偏光透射谱分析，指出，利用晶体的二向色吸收特性，可以研制成适用于中小功率红外激光的二向色型偏光器件。
By analyzing the polarized transmission spectra of several common uniaxial birefringent crystals, it is pointed out that the dichroic polarizer suitable for small and medium power infrared laser can be developed by using the dichroic absorption characteristics of the crystal.