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双折射材料的温度修正 Birefringent Material Temperature Modification b c4x"]! 6C0_. =7# 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: PHK#b.B>a8 ?xo,)`` 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline Fa!)$eb7 mce`1Tjw 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline 55cldo YJ^ lM\/< 3.Loop over the baseline material samples and determine the number of wavelength entries OT&E)eR G}-.xj] 4.Loop over each sampled wavelength entry in the baseline material #rpqt{ml 9v
F2aLPk a.Modify the ordinary and extraordinary refractive index values using (2) above L@4zuzmlb Q Bw
ZfX b.Apply the modified values to the non-baseline material {e%abr_B 3uw7 J5x 5.Set a description on the non-baseline material indicating the temperature change from baseline @NNLzqqY 7
h1"8#X 脚本编程及GUI例程请下载链接: xI:
'Hk1 4ufLP DH http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs /8MQqZ C w&"w" http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ;F""}wzn
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