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双折射材料的温度修正 Birefringent Material Temperature Modification s\_-` [B0 t_6sDr'. 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: \u?z:mV UeV2`zIg` 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline zYO+;;*@ qUA&XUJ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline zDeh# EKZ40z` 3.Loop over the baseline material samples and determine the number of wavelength entries 'uBXSP# -BfZ P5 4.Loop over each sampled wavelength entry in the baseline material FiMP_ y*S e;~[PYeu a.Modify the ordinary and extraordinary refractive index values using (2) above `Jhu&MWg 7r 07N' b.Apply the modified values to the non-baseline material 7D\#1h 1v!Xx+} 5.Set a description on the non-baseline material indicating the temperature change from baseline uy)iB'st& {LYA?w^GT 脚本编程及GUI例程请下载链接: ${0+LhST ]Cnj=\' http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs A<2_V1 $]|fjB#D http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd V9z/yNo
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