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双折射材料的温度修正 Birefringent Material Temperature Modification KkdG.c' R(2HYZ 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: cXb
@H# _H4$$ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline hy$MV3LP c#{Ywh 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline {+C %D' vbRrk($` 3.Loop over the baseline material samples and determine the number of wavelength entries Sv~YFS :oy (o x4K{ 4.Loop over each sampled wavelength entry in the baseline material BrNG%%n nr<WO~Xw~ a.Modify the ordinary and extraordinary refractive index values using (2) above W(uP`M%][0 _.d}lK3$2 b.Apply the modified values to the non-baseline material Gd30Be2gd U`bC>sCp 5.Set a description on the non-baseline material indicating the temperature change from baseline cg(QjH" +CnyK(V 脚本编程及GUI例程请下载链接: <qbZG}u 8!u/
http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs wJ80};! 1<LC8?wt http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 5i!V}hE n_""M:X H &YT_#M QQ:2987619807 u<l#xud
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