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双折射材料的温度修正 Birefringent Material Temperature Modification Nlf&]^4(0 a=}">=]7 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: L!G9O]WB 7|{%CckN
1.Retrieve the node numbers for the two materials, KDP and KDP Baseline l(0&6ENyj <.y^ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline I&Eg-96@ TkoCyD9 3.Loop over the baseline material samples and determine the number of wavelength entries @=aq&gb +e{djp@m 4.Loop over each sampled wavelength entry in the baseline material `9G$p|6 1*x5/b a.Modify the ordinary and extraordinary refractive index values using (2) above *;\
K5 I'6ed`| b.Apply the modified values to the non-baseline material
K|Ij71 nvUkbmZG# 5.Set a description on the non-baseline material indicating the temperature change from baseline 8WLh]MD` 34O+#0<y~ 脚本编程及GUI例程请下载链接: N2S!.H!Wz ( .6tz http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs }E)8soQR c,[qjr#\> http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ['9OGV\ )Or:wFSMq <R]Wy}2- QQ:2987619807 [{.\UkV@
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