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双折射材料的温度修正 Birefringent Material Temperature Modification -@L7!,j =1sGT;> 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: VzD LG LH ])OrSsV} 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline v=5H,4UMA Z*/{^ zsE 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline XuS3#L/3p 2^ uP[ 3.Loop over the baseline material samples and determine the number of wavelength entries qW+'#Jh@TV 4PK/8^@7)> 4.Loop over each sampled wavelength entry in the baseline material Cm@rXA/ _|+}4 ap a.Modify the ordinary and extraordinary refractive index values using (2) above k;/K']4y "o_s=^U b.Apply the modified values to the non-baseline material E{s p zUq ^ 5.Set a description on the non-baseline material indicating the temperature change from baseline [l44,!Z& gxnIur) 脚本编程及GUI例程请下载链接: X1*f#3cm# t2x2_;a http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs q)j b9e d~#B,+ http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd _D+pJ{@W
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