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双折射材料的温度修正 Birefringent Material Temperature Modification t8P>s})[4 JGO>X|T
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: LZoth+:
u*9C(je 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline BR0bf5T/ |Pj _L`G 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline c3
wu&*p{ &[Sw:{&*jv 3.Loop over the baseline material samples and determine the number of wavelength entries %
tJ?dlD' ,U2D&{@ 4.Loop over each sampled wavelength entry in the baseline material IvO3*{k, i5AhF\7F9 a.Modify the ordinary and extraordinary refractive index values using (2) above hqBwA1](a >K
&b,o,[ b.Apply the modified values to the non-baseline material UWusSi3+LG ar^`r!ABEh 5.Set a description on the non-baseline material indicating the temperature change from baseline 9Q.j
< P{qn@: 脚本编程及GUI例程请下载链接: d@w
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7 Jz|(B_U http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs mWGT
(`|~/ )Tb;N http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd QU#/(N(U#T
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