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双折射材料的温度修正 Birefringent Material Temperature Modification d3+pS\&IX? bPAp0}{Fu 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: }L{en -wy$ ?Ha 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline .%h.b6^ .ZFs+8qU> 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline gdRwh } '. l'% 3.Loop over the baseline material samples and determine the number of wavelength entries =4"D8UaHr @|6n.'f+ 4.Loop over each sampled wavelength entry in the baseline material KTD# a1W G \?fWqx a.Modify the ordinary and extraordinary refractive index values using (2) above ec[S?- r+217fS> b.Apply the modified values to the non-baseline material suN{)" scCOiK) 5.Set a description on the non-baseline material indicating the temperature change from baseline # nwEF QA
.vj`[?T 脚本编程及GUI例程请下载链接: nKp='>Th ^<'5 V) http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs P&V,x`<Z z*. 4Y http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ~z$vF
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