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双折射材料的温度修正 Birefringent Material Temperature Modification S{FROC~1R (T>nPbv) 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: uHH/rMV XO-Prs 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline lZyG)0t,g *.~6S3} 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline BYO"u6 qb5#_1qz+^ 3.Loop over the baseline material samples and determine the number of wavelength entries T<JwD[( cE`6uq7p 4.Loop over each sampled wavelength entry in the baseline material %|^OOU} nl(WJKq' a.Modify the ordinary and extraordinary refractive index values using (2) above )+6v :ml2.vP b.Apply the modified values to the non-baseline material G P:FSprP 89n:)|rWq 5.Set a description on the non-baseline material indicating the temperature change from baseline .!1S[ 7SlsnhpW 脚本编程及GUI例程请下载链接: d0aC Y >w-;Z>3Q@ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs 4l!@=qwn XYS'.6k( http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd >N;F8v oq4}3bQ [q_`X~3 QQ:2987619807 U\veOQ;mW
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