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双折射材料的温度修正 Birefringent Material Temperature Modification o4z|XhLr HoWK#Nz\ 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: ;9J6)zg !n A
L|,\s 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline >:FmAey N"~P$B1X 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline ^d(gC%+!u As tuM] 3.Loop over the baseline material samples and determine the number of wavelength entries pB%oFWqK j^f54Ky. 4.Loop over each sampled wavelength entry in the baseline material 37M,Os1( !I91kJt7 a.Modify the ordinary and extraordinary refractive index values using (2) above (gcy3BX; Y[>`#RhP b.Apply the modified values to the non-baseline material hW;n^\lF#e EgzdRB\Cf 5.Set a description on the non-baseline material indicating the temperature change from baseline <5ULu(b&$ 65RD68a 脚本编程及GUI例程请下载链接: _Ii=3Qsf ZHoYnp-~z http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs uX1{K%^<TW FZ8Qj8
http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 1h)K3cC #AO}JP $"0`2C QQ:2987619807 /WX&UAG
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