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双折射材料的温度修正 Birefringent Material Temperature Modification B ZU@W%E lfb+ )s 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: <m \Y$Wv M{orw;1Isy 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline CRCy)AS,t 6t7FklM% 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline c[2ikI,n[ |e!Y
C iU 3.Loop over the baseline material samples and determine the number of wavelength entries (&79}IEd _YlyS )#@ 4.Loop over each sampled wavelength entry in the baseline material g~-IT&O e=h-}XRC a.Modify the ordinary and extraordinary refractive index values using (2) above T\Xf0|y qQ]fM$! b.Apply the modified values to the non-baseline material HdlOGa6C MPnMLUB$\ 5.Set a description on the non-baseline material indicating the temperature change from baseline ,? <;zq <=_!8A 脚本编程及GUI例程请下载链接: :4[>]&:u3 "uuM#@h http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs Kn$t_7AF^ R%r25_8 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 4_>;|2 8>j&) @q OU` !c[O QQ:2987619807 (D[~Z!
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