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双折射材料的温度修正 Birefringent Material Temperature Modification UMX+h])#N 000$ZsW? 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: 2$Ji4`p}S g 764wl 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline c,-x}i0c 'wZy: c 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline p}.b#{HJ = ;a4
Dp 3.Loop over the baseline material samples and determine the number of wavelength entries c%U$qao=c+ M$?6
' 4.Loop over each sampled wavelength entry in the baseline material .;F+ QP0 \I'Zc] a.Modify the ordinary and extraordinary refractive index values using (2) above CeiU2.:U w2,T.3DT b.Apply the modified values to the non-baseline material R] [M_ r }ri*e2y) 5.Set a description on the non-baseline material indicating the temperature change from baseline qB39\j b
mm@oi 脚本编程及GUI例程请下载链接: X|QCa@Foe %~;Q_#CR/K http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs '; dW'Uwc u7C{> http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd < t (Pw A{J 1 n vedMzef[@> QQ:2987619807 (XwLKkw0n
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