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双折射材料的温度修正 Birefringent Material Temperature Modification m>|7&l_ &kcmkRRG 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: |ZC'a! +IMt$}7[ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline Y9I|s{~ KrR`A(=WL 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline l$[,V:N -oTdi0P 3.Loop over the baseline material samples and determine the number of wavelength entries Apj[z2nr I5)$M{#a 4.Loop over each sampled wavelength entry in the baseline material J:J/AgJuH k{O bm
g a.Modify the ordinary and extraordinary refractive index values using (2) above -g:i'e [+8*}03 b.Apply the modified values to the non-baseline material wwv+s ~(0 yY{ 5.Set a description on the non-baseline material indicating the temperature change from baseline EI)2c.A ~!M" 脚本编程及GUI例程请下载链接: %mIdQQ, 7nBX@Uo http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs B`gH({U &O#1*y
Z http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ZvLI~ul(zT
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