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双折射材料的温度修正 Birefringent Material Temperature Modification .1z$ A j#nO6\&o 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: (|a$N.e&K R!V5-0% 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline AR+\uD=\I- <GT>s 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline djy: ;/)Mcx] n 3.Loop over the baseline material samples and determine the number of wavelength entries ),y!<\oQ bUAR<R'E 4.Loop over each sampled wavelength entry in the baseline material )*TW\v`B c2\rjK a.Modify the ordinary and extraordinary refractive index values using (2) above =S[FJaIu7 wUIsi<Oj b.Apply the modified values to the non-baseline material THbtu*El |<$<L`xoe 5.Set a description on the non-baseline material indicating the temperature change from baseline X4P}aC Q&.IlVB[ 脚本编程及GUI例程请下载链接: 8W1K3[Jj< _sf#J|kQ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs Fyh?4!/. 94'k7_q http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 5}d/8tS
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