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双折射材料的温度修正 Birefringent Material Temperature Modification EF1aw2 <d!_.f}v 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: sTeW4Hnp iv@ey-,< 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline M{M>$pt Q v=F' 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline ], Xva`" 0RmQfD> 3.Loop over the baseline material samples and determine the number of wavelength entries yv1Z*wTpO ^PHWUb+`` 4.Loop over each sampled wavelength entry in the baseline material Bs7/<$9K/ q {v?2v{ a.Modify the ordinary and extraordinary refractive index values using (2) above GddP)l{uCF X633.]+ b.Apply the modified values to the non-baseline material it?l! ~ )"SP >2} 5.Set a description on the non-baseline material indicating the temperature change from baseline :2^j/ p1^k4G 脚本编程及GUI例程请下载链接: o9&&u1`M/ rZ}y'A http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs E2J.t`H 2 VgFP3 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd \Eqxmo yKSvg5lLy s az<NT QQ:2987619807 ]!l]^/.
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