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双折射材料的温度修正 Birefringent Material Temperature Modification BL8\p_U DYWC]* 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: 42wcpSp R&4E7wrdP 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline ]Qu12Wg}P H*\[:tPa 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline i52R,hz oba*w; 3.Loop over the baseline material samples and determine the number of wavelength entries "T&uS1+=c @qC:% |> 4.Loop over each sampled wavelength entry in the baseline material 0wkLM-lN n21$57`4 a.Modify the ordinary and extraordinary refractive index values using (2) above xF/D YXC{8 'QS"4EvdD b.Apply the modified values to the non-baseline material b{I`$E<[ e6R"W9 5.Set a description on the non-baseline material indicating the temperature change from baseline *(`.h\+ iCK$ o_`? 脚本编程及GUI例程请下载链接: >o} ati WsV3>=@f http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs ;:|KfXiC8 2Y4&Sba^Y http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd :7ngVc vf yva A pjqSz" QQ:2987619807 0l6iv[qu5w
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