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双折射材料的温度修正 Birefringent Material Temperature Modification fjd)/Gg ;I/ A8<C 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: FTQNS8 M-8`zA2 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline <5 } 3OB=D{$V 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline zMXQfR $3=S\jyfK 3.Loop over the baseline material samples and determine the number of wavelength entries eev-";c h5Ee*De 4.Loop over each sampled wavelength entry in the baseline material NXCvS0/h bP Q=88* a.Modify the ordinary and extraordinary refractive index values using (2) above ]SmN}Iq1 gkmV;0 b.Apply the modified values to the non-baseline material +^DDWVp f.Y [2b 5.Set a description on the non-baseline material indicating the temperature change from baseline ~Z~V:~ ntntB{t 脚本编程及GUI例程请下载链接: )~ 0TGy| z*UgRLKZD http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs RKPX*(i~ "WzKJwFr http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd aH?+^f"D UDT\Xc a D+4uGN QQ:2987619807 Yi j^hs@eV
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