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双折射材料的温度修正 Birefringent Material Temperature Modification aT[7L9Cw E$
rSrT( 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: #a:C=GV;4 sP7 (1)\ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline QkAwG[4 s q$|Pad[ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline c^%k1pae( 5#PhaVc 3.Loop over the baseline material samples and determine the number of wavelength entries ,j<"~"]
= ?i"FdpW 4.Loop over each sampled wavelength entry in the baseline material x.Y,]wis !8].Z"5J a.Modify the ordinary and extraordinary refractive index values using (2) above I&c#U+-A' sjGZ
,?% b.Apply the modified values to the non-baseline material :SGQ4@BV hW&UG#PY> 5.Set a description on the non-baseline material indicating the temperature change from baseline CTYkjeej }rZp(FG@* 脚本编程及GUI例程请下载链接: g11K?3*%Q ~sD'pS http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs }z#8vE; |Sq>uC) http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd WDq3K/7\ cCIEG e6 J^cDa|j QQ:2987619807 TPuzL(ws
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