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双折射材料的温度修正 Birefringent Material Temperature Modification xD^wTtT L6xB`E9 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: f-&ATTx`J J@gm@ jLc 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline 1VGpq-4*j Bs@:rhDi 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline !G[f[u4Zg I}_;A<U 3.Loop over the baseline material samples and determine the number of wavelength entries "]<w x_!+} ^vG=|X|)c 4.Loop over each sampled wavelength entry in the baseline material ZIe + >~^`5a`$uI a.Modify the ordinary and extraordinary refractive index values using (2) above EoKo
[\a:4vDAbi b.Apply the modified values to the non-baseline material $8Ig&k|~8 VZTmzIk.Y 5.Set a description on the non-baseline material indicating the temperature change from baseline ot0U-G( P*7S3Td 脚本编程及GUI例程请下载链接: 6UO$z- e L7<+LA)s0 http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs V&g)m.d:n %6N)G!P http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd HmW=t}!
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