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双折射材料的温度修正 Birefringent Material Temperature Modification #v=hiL uz&CUvos 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: bb$1RLyRL 3 {\b/NL$ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline vE>J@g2# 1G=1FGvP 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline d\3L.5]X uwyzxj 3.Loop over the baseline material samples and determine the number of wavelength entries hc"+6xc w-AF5%gX 4.Loop over each sampled wavelength entry in the baseline material I6M 7xn 6sRn_y a.Modify the ordinary and extraordinary refractive index values using (2) above 1[[`
^v (%oZgvM b.Apply the modified values to the non-baseline material y)"aQJ> @7"xDgA 5.Set a description on the non-baseline material indicating the temperature change from baseline F6}Pwz[c KY! 脚本编程及GUI例程请下载链接: I$n 0aR6 Pc nr http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs T3@wNAAU <[Q#}/$" http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ]ch cRc[!
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