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双折射材料的温度修正 Birefringent Material Temperature Modification oSD=3DQ; [mu8V+8@d4 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: EQ,`6UT> ~6n|GxR.[ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline 4 H0rS'5d
~deS* 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline Awxm[:r>^ fc@<' -VA 3.Loop over the baseline material samples and determine the number of wavelength entries J FnE{ Q4-d| 4.Loop over each sampled wavelength entry in the baseline material dxAGO( k-
9i a.Modify the ordinary and extraordinary refractive index values using (2) above e:nByzdH0[ hRX9Du`$ b.Apply the modified values to the non-baseline material m`-:j"]b$ <Hr<QiAK 5.Set a description on the non-baseline material indicating the temperature change from baseline \#]%S/_ A l+F29_o# 脚本编程及GUI例程请下载链接: -%MXt M?sax+' http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs ]NTQF/ 01-rBto$ http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 9nc_$H{ 8iaMr278W lqOpADLS3 QQ:2987619807 _]o7iqtv
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