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双折射材料的温度修正 Birefringent Material Temperature Modification @oe3i f)&`mqeE 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: rXHHD#\oF #Z2>TN 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline TE*> a5C| kphy7>Km 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline ?X8K$g 6E*Zj1KX 3.Loop over the baseline material samples and determine the number of wavelength entries EvGU j$ : L6-{9$ 4.Loop over each sampled wavelength entry in the baseline material )_x8?:lv ql%]$`IV6 a.Modify the ordinary and extraordinary refractive index values using (2) above |Oj,S|Z: PuUon6bZ b.Apply the modified values to the non-baseline material uK"$=v6| Ep v3/`I 5.Set a description on the non-baseline material indicating the temperature change from baseline 8KtF<`A) |-cALQ 脚本编程及GUI例程请下载链接: '|dKg"Yl (rY1O:*S http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs D6pEQdX` P /f ~ http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd W~W?<%@ `*uuB;
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