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双折射材料的温度修正 Birefringent Material Temperature Modification @'k,\$ / 02]8|B(E90 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: /h}wM6pg 5p#o1I 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline )D6'k{6 M XC+F! R 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline 42b=z//; !.tL"U~4 3.Loop over the baseline material samples and determine the number of wavelength entries B J:E,P`_ pUCEYR 4.Loop over each sampled wavelength entry in the baseline material vkNZ -`+I 9^b7jw a.Modify the ordinary and extraordinary refractive index values using (2) above |)|vG_ @SF")j| b.Apply the modified values to the non-baseline material 1%]{0P0?[ uJ)\P 5.Set a description on the non-baseline material indicating the temperature change from baseline "W,"qFx oJ4mxi@|# 脚本编程及GUI例程请下载链接: 9:}RlL+cOk OW[/%U> http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs b}EYNCw_7S ]`CKQ>
o http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd M Z|c7f&` //'xR8Z ]6i_d QQ:2987619807 YDZ1@N}^B
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