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We propose a structural angle and main refractive indices as two key factors to understand the temperature influence on the divergence angles of the Wollaston prism. The temperature influence on the divergence angles of quartz crystal Wollaston prism is studied theoretically. The results show that divergence angles decrease with increasing temperature, while the divergence angle of e-light decrease more quickly than that of o-light. The testing system is established to verify the above results, and the experimental results are in agreement well with the theoretical analysis. 相似文献
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光正反方向入射冰洲石Wollaston棱镜分束角的温度效应 总被引:1,自引:1,他引:0
为了了解温度变化对光正反方向入射冰洲石晶体Wollaston棱镜分束角的影响,首先明确了棱镜的结构角和晶体中o光、e光的主折射率是决定棱镜分束角的两个因素;然后从温度对这两个因素的影响出发,从理论上对光正反方向入射冰洲石晶体Wollaston棱镜o光、e光分束角的温度效应进行了研究,结果表明:随温度的升高,光正反方向入射时Wollaston棱镜两分束角均在减小,但光正方向入射时o光分束角减小的幅度要比e光大得多,而光反方向入射时e光下降幅度要比o光大得多;总体上光反方向入射要比正方向入射分束角受温度的影响大,实验测试结果与理论分析相吻合. 相似文献
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