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双折射材料的温度修正 Birefringent Material Temperature Modification E;fYL]j/oZ qH: `
O%, 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: fILINW{Yk) A|,\}9)4X[ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline xa[<k>r3 hc4<`W{ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline Z2_eTC
u /JaH 3.Loop over the baseline material samples and determine the number of wavelength entries F42r]k |"8Az0[! 4.Loop over each sampled wavelength entry in the baseline material WZ"NG| gYn1-/Z>I a.Modify the ordinary and extraordinary refractive index values using (2) above UeIu
-[R KJo[!|. b.Apply the modified values to the non-baseline material 9x0B9& @NWjYHM[` 5.Set a description on the non-baseline material indicating the temperature change from baseline AyB-+oTf( YAv-5 脚本编程及GUI例程请下载链接: R]VY
PNns 16 _HO%v-> http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs (YVl5}V .h~M&d! http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd A,ttn5Sh?
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