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双折射材料的温度修正 Birefringent Material Temperature Modification 1;m?:|6K{ kR1
12J9P 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: JQ
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?6*\M 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline WS&a9!3; ,8DC9yM, 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline 4%}iKoT
?4%#myO3a 3.Loop over the baseline material samples and determine the number of wavelength entries T=w0T-[f R1hmJ 4.Loop over each sampled wavelength entry in the baseline material F+G+XtOS ug}u>vQ> a.Modify the ordinary and extraordinary refractive index values using (2) above UHV"<9tk N\ <riS9 b.Apply the modified values to the non-baseline material !|9@f$Jv yuq o ^i 5.Set a description on the non-baseline material indicating the temperature change from baseline IRLAsb3 iPCn-DoIS 脚本编程及GUI例程请下载链接: Foj|1zJS_ Y A+R!t:F{ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs
*pO`sC> 86KK Y2 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd @}^VA9ULK vx$DKQK@l\ bOYM-\
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