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双折射材料的温度修正 Birefringent Material Temperature Modification u4IgPCTZ+ Y5-X)f 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: 1|;WaO1Q s$C;31k 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline CUnZ}@?d 8hQ"rrj+ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline g"2@E @IB8(TZ5I 3.Loop over the baseline material samples and determine the number of wavelength entries '$
s:cS`= KAgiY4 4.Loop over each sampled wavelength entry in the baseline material `vDg~o Yl&eeM a.Modify the ordinary and extraordinary refractive index values using (2) above ,<R/x[ 3dcZ1Yrn b.Apply the modified values to the non-baseline material n >xhT r< _L_SNjA_ 5.Set a description on the non-baseline material indicating the temperature change from baseline m]Z+u e dWR?1sV|e 脚本编程及GUI例程请下载链接: PaMi5Pq T(a*d7 http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs i/C#fIB2 tOnaD]J http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd t82Bp[t 5G(y $]|_xG-6{ QQ:2987619807 bp_3ETK]P
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