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双折射材料的温度修正 Birefringent Material Temperature Modification !o*oT}6n tQ`tHe 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: *:YW@Gbm K<s\:$VVh 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline 5n(p1OM2q x!I7vs~~zW 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline :FxZdE B"+Ygvxb 3.Loop over the baseline material samples and determine the number of wavelength entries /eIwv31 .@B\&U7 4.Loop over each sampled wavelength entry in the baseline material y99G 3t I*ho@`U a.Modify the ordinary and extraordinary refractive index values using (2) above @&,r|- {Ziq~{W_ b.Apply the modified values to the non-baseline material c?IIaj! RCxqqUS\C 5.Set a description on the non-baseline material indicating the temperature change from baseline Oh8;YE-% ,
/ 4}CM 脚本编程及GUI例程请下载链接: D.?KgOZ xss D2*l http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs T \0e8"iZ ](T*f'LN http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd q=96Ci _a
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