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双折射材料的温度修正 Birefringent Material Temperature Modification D%GB2-j R v'nM= 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: 7hwl[knyB Um YReF<<_ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline >Pne@w!* q$FwO"dC 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline b*Ny KdY3
3.Loop over the baseline material samples and determine the number of wavelength entries ;AMbo`YK[ eAKK uML 4.Loop over each sampled wavelength entry in the baseline material d\Cx(Lb[ 4Kjrk7GAx a.Modify the ordinary and extraordinary refractive index values using (2) above PkA_uDhw #RAez:BI b.Apply the modified values to the non-baseline material 09z%y[z *)0bifw$& 5.Set a description on the non-baseline material indicating the temperature change from baseline VeK^hz
R^Z q] g'rO' 脚本编程及GUI例程请下载链接: v
Yt-Nx B;xw @:H http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs lg` Qi& /N6sH!w http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd b<,Z^Z_ ]-h$CJSY Z*
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