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双折射材料的温度修正 Birefringent Material Temperature Modification "ukbqdKD Vrh],xK7 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: V1;-5L75 $g;xw?~# 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline ro@BmRMW JqZ5DjI: 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline a| cD{d /d'u1FnA= 3.Loop over the baseline material samples and determine the number of wavelength entries &r%3)Z8Et DBDfBb 4.Loop over each sampled wavelength entry in the baseline material gs>cx]> ic#drpl, a.Modify the ordinary and extraordinary refractive index values using (2) above q(W@=-uDK zY-m]7Yf b.Apply the modified values to the non-baseline material DUr1s]+P JK`P
mp> 5.Set a description on the non-baseline material indicating the temperature change from baseline ")OLmkC iN*@f8gf 脚本编程及GUI例程请下载链接: _: K\v8 cpV i9] http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs P0=F9`3wb rg~CF< http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 6 -}gqkR [4e5(!e &EOh}O< QQ:2987619807 {9MYEN}FO
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