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双折射材料的温度修正 Birefringent Material Temperature Modification 1U 6B$(V^i .E4*>@M5 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: @:lM|2: TdtV ( 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline ']_2@<XW) }3pM,. 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline Q;M\fBQO}& i"8mrWb 3.Loop over the baseline material samples and determine the number of wavelength entries I \:WD" }F`|_8L*v) 4.Loop over each sampled wavelength entry in the baseline material O9=/\Kc h^M_yz-f a.Modify the ordinary and extraordinary refractive index values using (2) above !jCgTo
y x#rgFY,TY b.Apply the modified values to the non-baseline material hW^,' m K/Q"Z* 5.Set a description on the non-baseline material indicating the temperature change from baseline (O.%Xbx3 Cux(v8=n 脚本编程及GUI例程请下载链接: P3M$&::D- B9v>="F http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs }X(&QZ7i` Z;BS@e http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd aZfMeW ?J}Q&p. 7)66e QQ:2987619807 _fAgp_)
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