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双折射材料的温度修正 Birefringent Material Temperature Modification JB!KOzw 5cC)&}I 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: Q .cL1uHc _,|N`BBqd 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline Cqw`K P zLV k7u{e 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline AjO|@6 Jb`yK@x 3.Loop over the baseline material samples and determine the number of wavelength entries `[.4SIah Csx??T_>r 4.Loop over each sampled wavelength entry in the baseline material n0'"/zyc s!K9-qZl< a.Modify the ordinary and extraordinary refractive index values using (2) above 1`EkN0iZ vtf`+q b.Apply the modified values to the non-baseline material m9f[nT |K$EULzz 5.Set a description on the non-baseline material indicating the temperature change from baseline \EeK<)4: %;tBWyq}_ 脚本编程及GUI例程请下载链接:
4B=@<(H 1cPjgBxv# http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs J
k FZd ?N!.:~~k http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd %KmhR2v
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