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双折射材料的温度修正 Birefringent Material Temperature Modification b5_A*-s$M ]"dZE2! 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: -vGyEd7 tRS^|?? 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline doFp53NhV 3rZFN^ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline }Tu_?b`RUm @!Il!+^3 3.Loop over the baseline material samples and determine the number of wavelength entries k!xi
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;A$ 4.Loop over each sampled wavelength entry in the baseline material }[!;c+ke L:`|lc=^ a.Modify the ordinary and extraordinary refractive index values using (2) above x1/Usupi )"&-vg< b.Apply the modified values to the non-baseline material `kwyF27v] 7FqmT
5.Set a description on the non-baseline material indicating the temperature change from baseline go]d+lhFB xii*"n ~ 脚本编程及GUI例程请下载链接: )3.udx 9*[!uu http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs !#rZeDmw F@ZG| &
http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd N ]}Re$5 )P[B! 1|;WaO1Q QQ:2987619807 s$C;31k
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