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双折射材料的温度修正 Birefringent Material Temperature Modification Yo >`h2C4 $Mdbto~ < 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: FoE|Js &Fw[YGJayz 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline CPVzX%= <^d!Vzr] 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline $aB/+, {DU"]c/S 3.Loop over the baseline material samples and determine the number of wavelength entries 30D:ZmlY 3\;v5D: 4.Loop over each sampled wavelength entry in the baseline material ):e+dt 10mK}HT>4B a.Modify the ordinary and extraordinary refractive index values using (2) above ZTN(irK 9lKn%|=T b.Apply the modified values to the non-baseline material 4w'lu"U ,Kuk_@(}5~ 5.Set a description on the non-baseline material indicating the temperature change from baseline YPu9Q ful#Px6m 脚本编程及GUI例程请下载链接: G 0hYFc u t5xb"F
http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs M(yH%i^A ?-pi,O~(p http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd t{!/#eQC
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