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双折射材料的温度修正 Birefringent Material Temperature Modification ,0lRs EJdq"6S 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: 84)S0Y8w cO)GiWE 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline HmbTV(lC dL6sb;7R 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline <mrLld#_:C qL A 3.Loop over the baseline material samples and determine the number of wavelength entries MI',E?#yB yq6!8OkF 4.Loop over each sampled wavelength entry in the baseline material s![=F}ck ={={W a.Modify the ordinary and extraordinary refractive index values using (2) above XRP/E_4 P63z8^y b.Apply the modified values to the non-baseline material 9dqD(S#C;" -_>c P 5.Set a description on the non-baseline material indicating the temperature change from baseline LO#{ \ E[0KvN;O 脚本编程及GUI例程请下载链接: c7wza/r> sDJ5'ul http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs ~g1@-)zYxK !l.Rv_o<O http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ;E*^AW n$#^gzU4 HAGWA2wQ QQ:2987619807 X903;&Cim
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