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双折射材料的温度修正 Birefringent Material Temperature Modification 7paUpQit 6^)rv-L~5y 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: jpRBER_X YutQ ]zYA. 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline ;j{7!GeKa ]4`t\YaT 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline owvS/"@ F@Q^?WV 3.Loop over the baseline material samples and determine the number of wavelength entries v5_7r%Hiw gV8"VZg2 4.Loop over each sampled wavelength entry in the baseline material B{C_hy-fw Us,)]W.S a.Modify the ordinary and extraordinary refractive index values using (2) above K/txD20
O| q/NY72tj0 b.Apply the modified values to the non-baseline material VPt9QL( >{C\H.N 5.Set a description on the non-baseline material indicating the temperature change from baseline re^Hc(8M jfD1 脚本编程及GUI例程请下载链接: _T5)n=| !SO8O http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs U3E&n1AA D8%AV;-Y http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd qj!eLA-aD }u%"$[I} PY`L$e QQ:2987619807 i0:>Nk
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