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双折射材料的温度修正 Birefringent Material Temperature Modification Cdmy.gx^ ~?d>fR:X 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: ZJvo9!DL|
;?`@"YG) 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline 2LC
w*eT{) MnS+ nH!d 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline qX?[mdCHZ bJ6p,]g 3.Loop over the baseline material samples and determine the number of wavelength entries K[]K53Nk x)5LT}p 4.Loop over each sampled wavelength entry in the baseline material Sc{Tq\t;% +99Bi2H}o a.Modify the ordinary and extraordinary refractive index values using (2) above |6*Va%LYO- 7>mhK7l b.Apply the modified values to the non-baseline material #R<G,"N5 I=odMw7Hj 5.Set a description on the non-baseline material indicating the temperature change from baseline tR;{. bl$j%gI%, 脚本编程及GUI例程请下载链接: cmIT$?J ~ k<SbFp http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs z<h|#@\ L#!$hq9{_ http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd I=5dYq4 l
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