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双折射材料的温度修正 Birefringent Material Temperature Modification ka?IX9t\ eh({K;> 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: ,W)IVc
GW>7R6i 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline xZ9}8*Q&: bR>o!(M'Z\ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline '8r8
^g[ 4i+PiD:H 3.Loop over the baseline material samples and determine the number of wavelength entries }@ O|RkY 0[Xt,~ 4.Loop over each sampled wavelength entry in the baseline material L|]w3}ZT@ |d/x~t= a.Modify the ordinary and extraordinary refractive index values using (2) above ,?0-=o IyG=
7 b.Apply the modified values to the non-baseline material ooLnJY# AiyvHt 5.Set a description on the non-baseline material indicating the temperature change from baseline +E q~X=x "Cyo<| 脚本编程及GUI例程请下载链接: @yU!sE:
wzHjEW http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs jm#d7@~4 l6&v}M http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd an$]IN
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