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双折射材料的温度修正 Birefringent Material Temperature Modification ~GZ(Ou-& OfPWqNpO 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: 0 ~VniF^ By"
=]|Q 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline $///N+B X[R/j*K 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline |@Bl?Bs+ 0Nmd*r 3.Loop over the baseline material samples and determine the number of wavelength entries zI&oZH^vn u\50,N9Wp{ 4.Loop over each sampled wavelength entry in the baseline material %|UCs8EFm *f1MgP*GKF a.Modify the ordinary and extraordinary refractive index values using (2) above 8!1vsEqv 90;[5c
b.Apply the modified values to the non-baseline material t|1?mH9 SwLul4V 5.Set a description on the non-baseline material indicating the temperature change from baseline XSXS;Fh) DvU(rr\p 脚本编程及GUI例程请下载链接: ;'*"(F=D6 5MT$n4zKu http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs Y7= *- 3#W> http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd G >bQlZG i&RPYbT{ _8S!w>$) QQ:2987619807 L9"V$MO
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