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双折射材料的温度修正 Birefringent Material Temperature Modification @]X5g8h SB=%(]S 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: >0.a#-u^ Pm!/#PtX 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline oO][X Gey j`t 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline C!6d`| CyD)=e{ 3.Loop over the baseline material samples and determine the number of wavelength entries kyu
PN<? nv_9Llh=z 4.Loop over each sampled wavelength entry in the baseline material Z$:iq to#N>VfD a.Modify the ordinary and extraordinary refractive index values using (2) above A7=k9| (?lKedA>2 b.Apply the modified values to the non-baseline material Vc$y^|= 7V-'><)gI 5.Set a description on the non-baseline material indicating the temperature change from baseline J:oAzBFpA OGn-~
#E 脚本编程及GUI例程请下载链接: B:=VMX~GE ~dlpoT http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs (I\qTfN4 hLF ;MH@ http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ayh=@7* l&oc/$&|[ J3,m{%EtNM QQ:2987619807 s|d"2w6t
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