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双折射材料的温度修正 Birefringent Material Temperature Modification K83'`W^ yJI~{VmU7 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: HEVjK$ D./{f8 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline 7+P;s,mi7 hVF^"$ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline n<C]
6H ["D!IqI: 3.Loop over the baseline material samples and determine the number of wavelength entries 8._uwA<[ Cx2#
0$ 4.Loop over each sampled wavelength entry in the baseline material )95k3xo b=5w>* a.Modify the ordinary and extraordinary refractive index values using (2) above AIg4u(j dx@dnWRT, b.Apply the modified values to the non-baseline material NA0nF8ek 8'*x88+ 5.Set a description on the non-baseline material indicating the temperature change from baseline ;5ki$)v" gF,=rT1:>r 脚本编程及GUI例程请下载链接: bny5e:= d #4Z e2T| http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs _RaE:) Lng. X8D http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd y^C5_w(^jZ ]AYP\\Xi 1'o[9- QQ:2987619807 rn|]-^ku/
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