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双折射材料的温度修正 Birefringent Material Temperature Modification 6L)7Q0Z z@ `u$D$n 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: h0HK~S#xBv *xITMi 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline PHUeN]s# #k[Y(_ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline k+J63+obd
Mz+vT0 3.Loop over the baseline material samples and determine the number of wavelength entries =-&h@mB;G E|jU8qz>P 4.Loop over each sampled wavelength entry in the baseline material /0$405 =''b `T$ a.Modify the ordinary and extraordinary refractive index values using (2) above |.$7.8g nLC5FA7< b.Apply the modified values to the non-baseline material wAJ=rRI B|8|f(tsSa 5.Set a description on the non-baseline material indicating the temperature change from baseline ReL+V G
\Nnw==v 脚本编程及GUI例程请下载链接: )heHERbJ qJ<l$Ig http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs %<'.c9u5 P2|+7D: http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 3N|6?'m *-uzsq.W @1<VvW= QQ:2987619807 Aa]3jev
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