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infotek 2020-09-27 11:29

双折射材料的温度修正

双折射材料的温度修正 Birefringent Material Temperature Modification IS C.~q2  
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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: ~iw&^p|=K  
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1.Retrieve the node numbers for the two materials, KDP and KDP Baseline \}-4(Xdaq  
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2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline wI#8|,]"z  
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3.Loop over the baseline material samples and determine the number of wavelength entries ;%|im?  
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4.Loop over each sampled wavelength entry in the baseline material _8K+iqMZG  
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a.Modify the ordinary and extraordinary refractive index values using (2) above Gk;YAI  
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b.Apply the modified values to the non-baseline material PN}+LOD<t  
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5.Set a description on the non-baseline material indicating the temperature change from baseline ;!yK~OBxt  
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脚本编程及GUI例程请下载链接: P -m_],  
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http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs N_t,n^i9>*  
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http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd Xj?Wvt  
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