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双折射材料的温度修正 Birefringent Material Temperature Modification NxB+? I4ctxMVP 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: w>vmF cp ?&\h;11T 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline pj@Yqg/ H9:%6sds 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline DUo0w f#D^ LV\ieM 3.Loop over the baseline material samples and determine the number of wavelength entries <vLdBfw&N d/4ubf+$k 4.Loop over each sampled wavelength entry in the baseline material jQs*(=ls A`Q
>h{ a.Modify the ordinary and extraordinary refractive index values using (2) above &58 { ex=)H%_| b.Apply the modified values to the non-baseline material ;,v.(Z ic +i4P,Lp 5.Set a description on the non-baseline material indicating the temperature change from baseline mCK],TOA: {YBl:rMz 脚本编程及GUI例程请下载链接: /khnl9~+ t#{x?cF http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs -B,c B O&52o]k5l http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd oL)lyUVT
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