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双折射材料的温度修正 Birefringent Material Temperature Modification O/iew3YF nNq| v=L 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: d cYUw] q yQPR 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline ukzXQe;l1 >x(^g~i 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline h&;\ H2p1gb# 3.Loop over the baseline material samples and determine the number of wavelength entries ([`-*Hy ?Ju=L| 4.Loop over each sampled wavelength entry in the baseline material wa@X^]D8 oC>^V5 a.Modify the ordinary and extraordinary refractive index values using (2) above (E\7Ui0Q Kc}FMu b.Apply the modified values to the non-baseline material I]jVnQ>& F#O.i, 5.Set a description on the non-baseline material indicating the temperature change from baseline a:H}c9$% u
L/*,[}' 脚本编程及GUI例程请下载链接: ATPc~f \E]s]ft;+ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs P=(\3ok }7wQFKME http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd H:a(&Zb yrE|cH'f0 [[LCEw QQ:2987619807 #eR*|W7o
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