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双折射材料的温度修正 Birefringent Material Temperature Modification dljE.peL )GD7rsC`< 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: @N=vmtLP HK;NR.D 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline FY1iY/\Cn st-{xC#N# 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline kp m;ohd ZT0\V
]!B 3.Loop over the baseline material samples and determine the number of wavelength entries EL 5+pt bZqTT~'T 4.Loop over each sampled wavelength entry in the baseline material USg"wJY ,;k+n) a.Modify the ordinary and extraordinary refractive index values using (2) above Abc{<4 z0? Q]ersA8 V> b.Apply the modified values to the non-baseline material E/;t6&6 Hfcpqa 5.Set a description on the non-baseline material indicating the temperature change from baseline c_J9CKqc |xO*!NR 脚本编程及GUI例程请下载链接: vsY?q8+P R~vGaxZ$ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs Iy<>-e"| D6"=2XR4n http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd JJ: ku&Mb
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