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双折射材料的温度修正 Birefringent Material Temperature Modification X}`|"NIk. z65|NO6JW. 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: 9;u$a^R. f>nj9a5 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline >\hu1C|W XGZ1a/x;s 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline rmc0dm&l] heiIb|z 3.Loop over the baseline material samples and determine the number of wavelength entries AW@I, sW 7R&t!G 4.Loop over each sampled wavelength entry in the baseline material e!*d(lHKos <5MnF a.Modify the ordinary and extraordinary refractive index values using (2) above &eq>> MWGW[V; b.Apply the modified values to the non-baseline material ppIMaP me@4lHBR 5.Set a description on the non-baseline material indicating the temperature change from baseline {20^abUAS @giipF2$ 脚本编程及GUI例程请下载链接: o
Y_(UIa XoM+"R" http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs Px&*&^Gf[b Ia:n<sZU http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd W0eb9g`s ),5^b l/
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