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双折射材料的温度修正 Birefringent Material Temperature Modification Uk|9@Auav d~,n_E$q; 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: 5 Af?Yxv klo^K9! 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline W7T"d4 (Y>U6 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline 0*{@E%9 X)y*#U 3.Loop over the baseline material samples and determine the number of wavelength entries >["Kd.ye xNx`J@xt$ 4.Loop over each sampled wavelength entry in the baseline material E~qK&7+ [@zkv)D6 a.Modify the ordinary and extraordinary refractive index values using (2) above Hj1k-Bs&'w ~(M*6b b.Apply the modified values to the non-baseline material 78gob&p? -/1d& 5.Set a description on the non-baseline material indicating the temperature change from baseline )biX8yqhR P0Aas)! 脚本编程及GUI例程请下载链接: '2j~WUEmg Zq9>VqGe http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs )y5iH){! J (=4 http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd m/cx|b3hqv
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