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双折射材料的温度修正 Birefringent Material Temperature Modification f3h]t0M ]~ S
zb 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: tn(6T^u !.4q{YWcYk 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline E(f|LG[I t~qAA\p}o 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline V{\1qg{ c`\qupnY 3.Loop over the baseline material samples and determine the number of wavelength entries 3#\C!T0y Z]5xy_La 4.Loop over each sampled wavelength entry in the baseline material &0d5".|s )]\-Uy$x a.Modify the ordinary and extraordinary refractive index values using (2) above tZ*>S]qD bz [?M} b.Apply the modified values to the non-baseline material U><$p{) g"g3|$#Ej| 5.Set a description on the non-baseline material indicating the temperature change from baseline wARd^Iw d*@K5?O. 脚本编程及GUI例程请下载链接: 3q6FV7Fv&b TIF =fQ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs Q]dKyMSSA y"K[#&,0 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 9tmnx')_ 4ZYywD wn ZK<c(,oZ^ QQ:2987619807 8zjJshE/
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