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双折射材料的温度修正 Birefringent Material Temperature Modification DYAwQ"i;6 I[g?Ju > 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: z[5Y
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A)u 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline UU.mdSL *CH!<VB/ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline -Ap2NpZ"t 7#Uz*G\iZ 3.Loop over the baseline material samples and determine the number of wavelength entries 5DkK'tCI9Z E?Qz/*'zv 4.Loop over each sampled wavelength entry in the baseline material d^Zo35X Iuu<2#gb8" a.Modify the ordinary and extraordinary refractive index values using (2) above ~jp!"f "$~}'`(] b.Apply the modified values to the non-baseline material ;/?Z<[B ;z.6'EYMG 5.Set a description on the non-baseline material indicating the temperature change from baseline $ ]W[y= yD3bl%uZ 脚本编程及GUI例程请下载链接: 1A%N0#_(Md Sl. KLc@@ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs Hi; K"H]x1 0a2$P+p http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd )g9)IF
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