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双折射材料的温度修正 Birefringent Material Temperature Modification n g,&;E iNCT( N~. 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: 7:C_{\( dug^o c1
1.Retrieve the node numbers for the two materials, KDP and KDP Baseline drwD3jx0xv Ndz'^c 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline =w5]o@ ''Y'ZsQ; 3.Loop over the baseline material samples and determine the number of wavelength entries %lK/2- `GU Gy. b 4.Loop over each sampled wavelength entry in the baseline material |Cm6RH$( yM2}JsC a.Modify the ordinary and extraordinary refractive index values using (2) above 8wEUly Nsf>b 8O b.Apply the modified values to the non-baseline material xNd p]u gyz_$T@x 5.Set a description on the non-baseline material indicating the temperature change from baseline y*#YIS56I ?E}9TQ 脚本编程及GUI例程请下载链接: }' p"q) mHyT1e http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs BUs={"Pa cj\?vX\V http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd oTN:Q"oK7? k>)Uyw$! e>2KW5. QQ:2987619807 ?={S"qK(q
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