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双折射材料的温度修正 Birefringent Material Temperature Modification NYwGK| E6Q91Wz9f 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: m9I(TOw i6A$1(:h 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline vVdxi9yk oFn4%S: 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline ULck R/rcXX7% 3.Loop over the baseline material samples and determine the number of wavelength entries `>y[wa>9r D/*vj| 4.Loop over each sampled wavelength entry in the baseline material ^@Y9!G= 9<w=),R`8 a.Modify the ordinary and extraordinary refractive index values using (2) above kp.|gzA6 F*.
/D~K b.Apply the modified values to the non-baseline material Es:5yX! $Uy#/MX 5.Set a description on the non-baseline material indicating the temperature change from baseline 9Mnem* x@Sra@ 脚本编程及GUI例程请下载链接: epYj+T qb9}&'@: http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs pBvo M={2! do*Wx2:R http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd z(jU|va{_1
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