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双折射材料的温度修正 Birefringent Material Temperature Modification b fI= = eQ<Vky^SJ 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: ':]Hj8t_ D7g
B% 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline '~zi~Q7M B(Er/\-@U 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline AYfL}X<Ig e'.CIspN 3.Loop over the baseline material samples and determine the number of wavelength entries lLLPvW[Q 9*VL | 4.Loop over each sampled wavelength entry in the baseline material W=Mdh}u_I svtqX-Vj" a.Modify the ordinary and extraordinary refractive index values using (2) above 0 gR_1~3 JA4}Bwn b.Apply the modified values to the non-baseline material X XxH<E$p gyxC)br 5.Set a description on the non-baseline material indicating the temperature change from baseline Ok<,_yh ll*Ez"
脚本编程及GUI例程请下载链接: J+}z*/)|# /#zs http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs Adgfo)X5 k]~$AaNq http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd Pk=0pHH8q )&l5I4CIf RDEK=^J QQ:2987619807 \"w+4}
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