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双折射材料的温度修正 Birefringent Material Temperature Modification n.(FQx.F 7Jho}5J 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: uW36;3[f#1 n6a`;0f[R 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline W6/yn y
h9*z3 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline ?(i{y~ FJP-y5 3.Loop over the baseline material samples and determine the number of wavelength entries Jz e:[MYS e**qF=HCw 4.Loop over each sampled wavelength entry in the baseline material [u*5z.^ <W $mj04@ a.Modify the ordinary and extraordinary refractive index values using (2) above ,DkNLE W:L
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R b.Apply the modified values to the non-baseline material t{vJM!kdlQ a!AA] 5.Set a description on the non-baseline material indicating the temperature change from baseline B_m8{44zM OpYY{f 脚本编程及GUI例程请下载链接: s,&Z=zt0R pcWPH. http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs `RL"AH:+ WEi2=3dV http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ;hN!s`vq v
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