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双折射材料的温度修正 Birefringent Material Temperature Modification HONrt|c wE:hl 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: 7nB@U$]-Sz %zQME6WELz 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline '/kSUvd ~M%r.WFpA 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline > bWsUG9 306C_M\$ 3.Loop over the baseline material samples and determine the number of wavelength entries P]-d(N}/H 1 ry:Z2 4.Loop over each sampled wavelength entry in the baseline material ^HumyDD6 dIe-z7x a.Modify the ordinary and extraordinary refractive index values using (2) above RG|]Kt8 l2KR=&SX/ b.Apply the modified values to the non-baseline material ]Qe;+p9vU /|Za[ 5.Set a description on the non-baseline material indicating the temperature change from baseline &yv%"BPV ,/{mRw% 脚本编程及GUI例程请下载链接: e&?o ET1/oG<@ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs 6,)!\1k $}r*WZ
http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd Oz!#);v
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