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双折射材料的温度修正 Birefringent Material Temperature Modification 1@1U/ss1 m6CI{Sa](l 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: cH?B[S;] C$D-Pt"+ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline !F1N~6f Y+*0~xm4 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline m?fy^>1
v,{yU\) 3.Loop over the baseline material samples and determine the number of wavelength entries A.F738Zp{Z sN2p76KN 4.Loop over each sampled wavelength entry in the baseline material ~h85BF5 JYd 'Jp8bP a.Modify the ordinary and extraordinary refractive index values using (2) above gSUcx9f] Y
M\ K%rk b.Apply the modified values to the non-baseline material K&70{r 0rDh}<upjk 5.Set a description on the non-baseline material indicating the temperature change from baseline \BZhf?9U Y>G@0r BG 脚本编程及GUI例程请下载链接: Sf7\;^ ,>-< (Qi http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs _FVcx7l!u &6YIn|} http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd W!&'pg
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