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双折射材料的温度修正 Birefringent Material Temperature Modification OH0S2?,{> k*OvcYL1A 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: Pu-p7:99;' ,zD_% ox 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline U @)k3^ <_>.!9q 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline wLpkUa p %L1uwLG 3.Loop over the baseline material samples and determine the number of wavelength entries .<HC[ls #n=A)#'my 4.Loop over each sampled wavelength entry in the baseline material pFEZDf}: A3z/Bz4]:# a.Modify the ordinary and extraordinary refractive index values using (2) above nW~$
(Qnd gA{'Q\ b.Apply the modified values to the non-baseline material Yg[ v/[] 0~qf-x 5.Set a description on the non-baseline material indicating the temperature change from baseline %V31B\]Nz7 %v_IX2' 脚本编程及GUI例程请下载链接: RZW$!tyI= amMjuyW http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs :fRmUAK% [gpOuTW http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd sr;:Dvx~
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