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双折射材料的温度修正 Birefringent Material Temperature Modification bTiw?i+6Dv -"cN9RF 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: zu^ AkMc :w];N|48s 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline sRMzU ,h>w % 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline 3%P?1s ALwuw^+ 3.Loop over the baseline material samples and determine the number of wavelength entries )`Fr*H3{ Olno9_' 4.Loop over each sampled wavelength entry in the baseline material l,X;<&-[ =.o-R=:d a.Modify the ordinary and extraordinary refractive index values using (2) above q@\_q! p/:5bvA b.Apply the modified values to the non-baseline material |.S;z"v![ ex|kD*= 5.Set a description on the non-baseline material indicating the temperature change from baseline }UO,R~q~ /F4:1
} 脚本编程及GUI例程请下载链接: eyE&<:F#J */\.-L{h http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs 7d<v\=J} ]u,~/Gy http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd O<E0L&4-& oby*.61?5l ]SPB c QQ:2987619807 Wp]EaYt2D
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