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双折射材料的温度修正 Birefringent Material Temperature Modification 4hzdc]
a }i J$&CJ 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: [_:
GQ AcHeZb8b 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline ;9LOeH? J,\e@ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline J~C=o(r i8S=uJ]n 3.Loop over the baseline material samples and determine the number of wavelength entries {W HK|l }G<~Cx5[ 4.Loop over each sampled wavelength entry in the baseline material D@kf^1G {C0Y8:"` a.Modify the ordinary and extraordinary refractive index values using (2) above u:^sEk"Lk' *K BaKS b.Apply the modified values to the non-baseline material OY2u,LF9H RFX{]bQp9 5.Set a description on the non-baseline material indicating the temperature change from baseline /EuH2cy$l [s{[
.0P]+ 脚本编程及GUI例程请下载链接: MBAj.J ?!O4ia3nFk http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs RT${7= Wb[k2V http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd iB` EJftI! a ," S&QXf<v QQ:2987619807 zRbY]dW
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