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双折射材料的温度修正 Birefringent Material Temperature Modification c#}K,joeU Cn3_D 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: 4)8VmCW gx9Os2Z|3 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline BNNM$.ZIQ `R8&(kQ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline D;V[9E=g/ 1B2#uhT]r 3.Loop over the baseline material samples and determine the number of wavelength entries Z)W8Of_ X%5eZ"1{x 4.Loop over each sampled wavelength entry in the baseline material NgGMsE\C}
< v] a.Modify the ordinary and extraordinary refractive index values using (2) above ~h@@y5<4 @h{|tP%" b.Apply the modified values to the non-baseline material k(dakFaC^ hvw9i7# 5.Set a description on the non-baseline material indicating the temperature change from baseline ~/`/r%1/J WZNq!K H 脚本编程及GUI例程请下载链接: EYq?NL=' edp
I? http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs El<*) *tF~CG$r http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ^_bG{du
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