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双折射材料的温度修正 Birefringent Material Temperature Modification /dAIg1ra " 1Bn/Q 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: N^)OlH 97lwPjq 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline d 9|u~3 /T?['#:r-) 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline )9$Xfq/ a)]N#gx 3.Loop over the baseline material samples and determine the number of wavelength entries *m2:iChY UX6-{
RP 4.Loop over each sampled wavelength entry in the baseline material {pqm&PB04 "(5M }5D a.Modify the ordinary and extraordinary refractive index values using (2) above ev>: 3_ s # 8A|-u=3 b.Apply the modified values to the non-baseline material +#O?sI# |cH\w"DcXw 5.Set a description on the non-baseline material indicating the temperature change from baseline MkQSq
MU= [30< 0 脚本编程及GUI例程请下载链接: z;-2xD0&U[ B,676~I http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs j%lW+[% j=7 ]"% http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd /<@oUv
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