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双折射材料的温度修正 Birefringent Material Temperature Modification Xoik%T- wG|3
iFK 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: nRo`O O.4"h4{' 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline B{K'"uC CTI(Kh+ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline j)]'kg cPN7^* 3.Loop over the baseline material samples and determine the number of wavelength entries xUw\Y(! XWvs~Xw@ 4.Loop over each sampled wavelength entry in the baseline material SP*5 W)6 a-}%R a.Modify the ordinary and extraordinary refractive index values using (2) above <.' cCY B`WfJ2*2 b.Apply the modified values to the non-baseline material pts}? P0Jd6"sS" 5.Set a description on the non-baseline material indicating the temperature change from baseline ~d%Q1F*,= U'lD|R,g 脚本编程及GUI例程请下载链接: zbi E:o:)h?$ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs ps[6)d)o M!hby31 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd p}.b#{HJ E*I]v FEZ6X QQ:2987619807 M$?6
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