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双折射材料的温度修正 Birefringent Material Temperature Modification iz3Hoj ^f9>tI{ 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: TecWv@. xtK}XEhG! 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline &n]]OPo %lGT|XrY 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline L'O=;C"f }c=YiH,o 3.Loop over the baseline material samples and determine the number of wavelength entries A`1-c ;i!$rL 4.Loop over each sampled wavelength entry in the baseline material >=/DCQ$ +>Pq]{Uf1j a.Modify the ordinary and extraordinary refractive index values using (2) above F&HvSt}l5 z`sW5K(A b.Apply the modified values to the non-baseline material n^` `)" d(^3S>V|q 5.Set a description on the non-baseline material indicating the temperature change from baseline (dP9`Na] Se|h]+G 脚本编程及GUI例程请下载链接: oxLO[js _ygdv\^Tet http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs l $0w 9Z^ jvhD_L/ http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ]CX^!n 83F]d+n ihD|e& QQ:2987619807 Ct]? /
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