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双折射材料的温度修正 Birefringent Material Temperature Modification F|VKrH. ti$60Up 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: >ts}\.(] <lNNT6[/r 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline C<(qk _ W /*?y & 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline f mJK+ rA^=;?7Q 3.Loop over the baseline material samples and determine the number of wavelength entries t)uxW
7 iBtG@M 4.Loop over each sampled wavelength entry in the baseline material +'+Nr< 5UOqS#"0 a.Modify the ordinary and extraordinary refractive index values using (2) above >I<}:= uMpuS1 b.Apply the modified values to the non-baseline material , s otZT Q`NdsS2 5.Set a description on the non-baseline material indicating the temperature change from baseline ,qo^G0XO ,G- 脚本编程及GUI例程请下载链接: H "5,To 'n1$Y%t http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs N{ $?u %W$b2N{l http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd %#PWD7a\ ~7PiIky. SS24@:"{ QQ:2987619807 tN_=&|{WE4
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