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双折射材料的温度修正 Birefringent Material Temperature Modification fgFBOpG%Gq #8;|_RU 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: 7^k`:Z *[*E|by 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline H~-zq}4 y:!MWZ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline .vRLK STgl{# 3.Loop over the baseline material samples and determine the number of wavelength entries 02X ~' To" Xu#\CYk 4.Loop over each sampled wavelength entry in the baseline material _>HXQ6Hw -B2>~#L a.Modify the ordinary and extraordinary refractive index values using (2) above lo:]r.lX{ OVO0Emv b.Apply the modified values to the non-baseline material *[*#cMZ g~d}?B\<@ 5.Set a description on the non-baseline material indicating the temperature change from baseline s-r$%9o5 sm}q&m]ad 脚本编程及GUI例程请下载链接: &Pt| -tT{h4 http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs cHK)e2r )!MeSWGq http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd @f0~a z Q
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