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双折射材料的温度修正 Birefringent Material Temperature Modification #Qw0&kM7I nQZx=JK 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: .D"m@~j7 (Bb5?fw 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline ZoW?nxY a@K%06A;' 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline fivw~z|[@ P-_6wfg,;> 3.Loop over the baseline material samples and determine the number of wavelength entries sP pH*,( *uRBzO} 4.Loop over each sampled wavelength entry in the baseline material ZL&qp04} #FLb*%Nr a.Modify the ordinary and extraordinary refractive index values using (2) above 4&lv6`G ` gT{Q#C2Baw b.Apply the modified values to the non-baseline material oN~&_*FE S&5&];Ag 5.Set a description on the non-baseline material indicating the temperature change from baseline :1Xz4wkWS* ='r!g 脚本编程及GUI例程请下载链接: S/hQZHZHg, F@7jx:tI http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs W&W5lArr B N5[,J http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd +zN-!5x
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