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双折射材料的温度修正 Birefringent Material Temperature Modification xiqeKoAD nZEew.T:6 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: 5inCAPXz +DE;aGQ.z? 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline $dsLU5]1o 00yWk_w 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline n8i: /ypB D/wJF[_ 3.Loop over the baseline material samples and determine the number of wavelength entries b&RsxW7 x4v&%d=M 4.Loop over each sampled wavelength entry in the baseline material @h/-P'Lc=7 z]2lT
IWg a.Modify the ordinary and extraordinary refractive index values using (2) above XR$i:kL,, i\x@s>@x} b.Apply the modified values to the non-baseline material BQ B<+o' C(M ?$s` 5.Set a description on the non-baseline material indicating the temperature change from baseline (&X/n=UI #L&/o9| 脚本编程及GUI例程请下载链接: G?Za/G % pAbkb3m http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs $"?$r R^"mGe\LL http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd U(%6ny
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