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双折射材料的温度修正 Birefringent Material Temperature Modification 9!FU,4 X 0N~kq-6.\ 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: 6Ia HaV+P +80bG(I_ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline 4wkv#vi7!- _",<at 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline z~3GgR"1d W@ &a 3.Loop over the baseline material samples and determine the number of wavelength entries 0G6aF" (qvH=VTwP 4.Loop over each sampled wavelength entry in the baseline material 3E^qh03( \Oq8kJ= a.Modify the ordinary and extraordinary refractive index values using (2) above q/@+.q DxwR&S{ b.Apply the modified values to the non-baseline material qxDMDMN K4jHha 5.Set a description on the non-baseline material indicating the temperature change from baseline 1G7l+6w5~^ e5 L_<V^Jo 脚本编程及GUI例程请下载链接:
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