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双折射材料的温度修正 Birefringent Material Temperature Modification 'w$we6f Ei(`gp 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: l=OC?d*m H(ftOd.y 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline x: wq"X PL B=%[ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline P6Z,ci17 lV *&^Q8. 3.Loop over the baseline material samples and determine the number of wavelength entries 9mtC"M<
)da8Ru 4.Loop over each sampled wavelength entry in the baseline material "lj:bxM2C _xwfz]lb+ a.Modify the ordinary and extraordinary refractive index values using (2) above $,@+Ua
Wv'B[;[) b.Apply the modified values to the non-baseline material Uc;IPS (YH{%8
Z0 5.Set a description on the non-baseline material indicating the temperature change from baseline y]z# ?? :QY 9p T 脚本编程及GUI例程请下载链接: v?' k)B MhB=+S[@ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs ON=ley K1:)J.ca_ http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd vP;tgW9Qk
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