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双折射材料的温度修正 Birefringent Material Temperature Modification t$&'mJ_-w ^WrL
目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: <@$+uZt+ vaLP_V 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline 0a2#36;_IK 1QPz|3f@\ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline `MHixQ;j Kk,u{EA 3.Loop over the baseline material samples and determine the number of wavelength entries qe5;Pq !G :PK2!
0nK 4.Loop over each sampled wavelength entry in the baseline material {PkR6.XhR 2Ab`i!# a.Modify the ordinary and extraordinary refractive index values using (2) above {oS/Xa !sp`oM b.Apply the modified values to the non-baseline material 3+\Zom4 }5;/!P_A 5.Set a description on the non-baseline material indicating the temperature change from baseline J|F!$m{ !"ir}Y% 脚本编程及GUI例程请下载链接: - zUBK #iQF)x| D http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs V|TD+7.`QB nIZsKbnw http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd }mo)OyIX eE_$ ADEf di(H-=9G62 QQ:2987619807 [ahwJ F#r
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