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双折射材料的温度修正 Birefringent Material Temperature Modification P.!;Uf}32 -C=]n<ak 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: &%}bRPUl ?N(u4atC 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline AsD1-$ P$Axc/H 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline D?%e"*> 1aVgwAI
3.Loop over the baseline material samples and determine the number of wavelength entries s
8Jj6V lR,G; 4.Loop over each sampled wavelength entry in the baseline material GgT=t)}wu _m" ^lo a.Modify the ordinary and extraordinary refractive index values using (2) above \ x:_*`fU )S#j.8P'B b.Apply the modified values to the non-baseline material yTP[,bM 2=Jmi?k 5.Set a description on the non-baseline material indicating the temperature change from baseline u^!&{ q >d'EInSF 脚本编程及GUI例程请下载链接: -}NAb^d ?F9hDLX http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs cK/PQsMP o%$<LaQG5 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ]S*E 8Er[M 6NU8HJp QQ:2987619807 <
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