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双折射材料的温度修正 Birefringent Material Temperature Modification WcH^bAY 6 $k'f)E 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: V.y+u7<3} V]q{N-Iq 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline ?b#?Vz ,9?'Q;20 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline W**=X\"' te6[^_k 3.Loop over the baseline material samples and determine the number of wavelength entries ]XPGlM #H!~:Xu 4.Loop over each sampled wavelength entry in the baseline material 7e8hnTzl8< *uEU9fX a.Modify the ordinary and extraordinary refractive index values using (2) above v/m`rc]e P* aD2("Z b.Apply the modified values to the non-baseline material z7<^aS .z[+sy_ 5.Set a description on the non-baseline material indicating the temperature change from baseline YvYav d Phb<##OB 脚本编程及GUI例程请下载链接: "*7I~.7U(* s{s0#g http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs 7PQedZ<\ N.64aL|1 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd !?l 23(d 1c}'o*K_% >p<(CVX[ QQ:2987619807 PA,j;{,(b
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