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双折射材料的温度修正 Birefringent Material Temperature Modification z`((l#( xn1 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: +:?-Xd:p pj&vnX6O^ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline LYNd^} KZzOs9 s 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline :j9{n ,F 8s pGDg\g 3.Loop over the baseline material samples and determine the number of wavelength entries !!4_x $n& alcU 4.Loop over each sampled wavelength entry in the baseline material
]p:x,%nm br+{23&1R# a.Modify the ordinary and extraordinary refractive index values using (2) above 2]5dSXD d*Dq=.F( b.Apply the modified values to the non-baseline material 7kO5hlKeo .2/(G{}U 5.Set a description on the non-baseline material indicating the temperature change from baseline X0J@c "%0 Q^/66"Z:Z 脚本编程及GUI例程请下载链接: 7g_:Gv~v 0e9W>J9 http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs JLm0[1Lzd H7?C>+ay http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd 1HL}tG?+# #sdW3m_% _aL:XKM QQ:2987619807 F=yrqRS=
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