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双折射材料的温度修正 Birefringent Material Temperature Modification [zO >R5qhVYFb 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: R~-r8dWcw B3
mD0 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline x6,kG X@,xwsM%tb 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline _IAvFJI yFt'<{z[nL 3.Loop over the baseline material samples and determine the number of wavelength entries jni }o m u8Ul +u 4.Loop over each sampled wavelength entry in the baseline material dXKv"*7l RvL-SI%E a.Modify the ordinary and extraordinary refractive index values using (2) above %ZV a{Nc 1goK>=-^ b.Apply the modified values to the non-baseline material 'ADaz75`*r W\{gBjfE 5.Set a description on the non-baseline material indicating the temperature change from baseline []K5l% /rd6p{F 脚本编程及GUI例程请下载链接: &i`\`6 q MB<oWH[e) http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs H79|%@F" `sZ/'R6 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd #]G$o?@Y=^ T-=sC=sS, !<"H73?fl QQ:2987619807 ArBgg[i
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