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双折射材料的温度修正 Birefringent Material Temperature Modification Da=EAG-{7 3Vb4zZsl 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: h0GoF A< x84!/n^z 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline 4xy\ WE<?y_0y& 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline iNO>'7s7 q2qi~}l 3.Loop over the baseline material samples and determine the number of wavelength entries $*yYmF :QE5 7. 4.Loop over each sampled wavelength entry in the baseline material oaY_6 NB-dlv1 a.Modify the ordinary and extraordinary refractive index values using (2) above sVLvnX, BQ@7^E[ b.Apply the modified values to the non-baseline material 1Ms[$$b$ j]Auun 5.Set a description on the non-baseline material indicating the temperature change from baseline p8rh`7 d+9V% T 脚本编程及GUI例程请下载链接: 'solCAy $@g]?*L: http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs I= mz^c{ S*h52li http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 0Y.z
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