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双折射材料的温度修正 Birefringent Material Temperature Modification vAi
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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: b;O]@kBB nM1U=Du 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline ? r=cLC {=j!2v#8~ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline 9`+c<j4/B a1]k(AuQrC 3.Loop over the baseline material samples and determine the number of wavelength entries *[(O&L&0 ' D+h_*H 4.Loop over each sampled wavelength entry in the baseline material |f&)@fUI 8*I43Jtlf, a.Modify the ordinary and extraordinary refractive index values using (2) above 0~Ot :bFmw dX b.Apply the modified values to the non-baseline material hgX@?WWR (X@JlAfB 5.Set a description on the non-baseline material indicating the temperature change from baseline +.whEw(i wP- pFc 脚本编程及GUI例程请下载链接: 7OYNH0EH C2Fklp6 http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs h}i
/u MQY^#N http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd g8
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