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双折射材料的温度修正 Birefringent Material Temperature Modification gu.))3D9 ])ZJ1QL1 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: :-'ri Ry 2Z1(J% 7 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline V{aIhH>P <wGTs6 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline >, Swk3 E6&uZr 3.Loop over the baseline material samples and determine the number of wavelength entries ABYW1K= N@`9 ~JS 4.Loop over each sampled wavelength entry in the baseline material LF,c-Cv!jL t-ReT_D|; a.Modify the ordinary and extraordinary refractive index values using (2) above P9HPr2 j~j
V`>A b.Apply the modified values to the non-baseline material =VI`CBQ/Um AxqTPx7`| 5.Set a description on the non-baseline material indicating the temperature change from baseline [`nyq ) Q ]koj!mMl 脚本编程及GUI例程请下载链接: nv|y@!( UtW3KvJ#= http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs C g,w6<7 21J82M http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd Hn2Q1lF-ip R8Ei:f} I3=Sc^zz&V QQ:2987619807 gRd1(S
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