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双折射材料的温度修正 Birefringent Material Temperature Modification T&cf6soo U H
`= 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: uBH4E;[f 05$CIS>! 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline X`#vH8 CO-9-sQx
2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline #8rLB( -I'#G D> 3.Loop over the baseline material samples and determine the number of wavelength entries UJ
n3sZ<} lfK sqe" 4.Loop over each sampled wavelength entry in the baseline material 9K~X}]u "! m6U#^ a.Modify the ordinary and extraordinary refractive index values using (2) above GK~uoz:^O (HDR}!.E b.Apply the modified values to the non-baseline material yIA-+# r[ SwXVa/9a" 5.Set a description on the non-baseline material indicating the temperature change from baseline V*}ft@GPD K>N\U@@8i 脚本编程及GUI例程请下载链接: MA6(VII 3c}@_Yn http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs $mgW|TBXCQ GO2mccIB http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd Xq@Bzya Kejp7okb "A6m-xE~ QQ:2987619807 =+DfIO
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