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双折射材料的温度修正 Birefringent Material Temperature Modification pG!(6V-x<E 4FIV 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: vr{'FMc QOT)x4!) 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline !_U37Uj<m % QPWw~}: 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline -7I1Lh#M 5@ bc(H 3.Loop over the baseline material samples and determine the number of wavelength entries kUn2RZ6$# &\1'1`N1 4.Loop over each sampled wavelength entry in the baseline material DHm[8 Qp -}Cc"qm a.Modify the ordinary and extraordinary refractive index values using (2) above 1m>^{u CJ9cCtA b.Apply the modified values to the non-baseline material <H5n>3#pH g> ~cs_N@ 5.Set a description on the non-baseline material indicating the temperature change from baseline k-WHHoU>o 1
[Sv 脚本编程及GUI例程请下载链接: NZo<IKD$ ;.ysCF http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs U@.u-)oX }rzdm9 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd Kajkw>z
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