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双折射材料的温度修正 Birefringent Material Temperature Modification A!Cby!, s[{[pIH 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: &RYdSXM _]OY[&R 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline }ofb]_C, UP^8Yhdo 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline mA{?E9W ]5jS6@Vl* 3.Loop over the baseline material samples and determine the number of wavelength entries Q3tyK{JE ?).;cG:< 4.Loop over each sampled wavelength entry in the baseline material q4[8\Ua LAlwQ^v| a.Modify the ordinary and extraordinary refractive index values using (2) above `=H*4I-" ~jL%l b.Apply the modified values to the non-baseline material `jGeS[FhR EW*sTI3 5.Set a description on the non-baseline material indicating the temperature change from baseline }yK7LooM a*y9@RC} 脚本编程及GUI例程请下载链接: ;.uYWP|9 M!'d http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs ?{qUn8f2 8In\Jo$|q> http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd x|a&wC2,{ UsyNn39 Jz`jN~ QQ:2987619807 uP'L6p5
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