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双折射材料的温度修正 Birefringent Material Temperature Modification FW#Lf]FJ g3n^
<[E 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: v}A] R9TY OP
|{R7uC 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline R<LW*8 U#G
uB&V 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline I@cKiB G+4a%?JH 3.Loop over the baseline material samples and determine the number of wavelength entries I'"*#QOX RL~|Kr<7J 4.Loop over each sampled wavelength entry in the baseline material QI~s~j WzgzI/ a.Modify the ordinary and extraordinary refractive index values using (2) above deaxb8'7 B;4hI? b.Apply the modified values to the non-baseline material Z]$yuM :eS7"EG{3 5.Set a description on the non-baseline material indicating the temperature change from baseline %_M B- Fdd$Bl.&XS 脚本编程及GUI例程请下载链接: ]w%7/N0R 3Zsqx=w http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs +;#hED;8 o]n5pZ\\W< http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd y[qW> M<7<L s .^9;%@$J QQ:2987619807 :*tv`:;p
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