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双折射材料的温度修正 Birefringent Material Temperature Modification /A+5q\8G 3a&HW
JBSx 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: pgs<Mo$\%B hu>wcOt 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline P$]K 9Wg;M#c2Y| 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline $1FnjL5u [dXa, 3.Loop over the baseline material samples and determine the number of wavelength entries 4|4 *rhwp ^M\X/uq$E 4.Loop over each sampled wavelength entry in the baseline material 3.9/mztS ,J=l Hj a.Modify the ordinary and extraordinary refractive index values using (2) above qDqy9u:g %<r}V<OeR b.Apply the modified values to the non-baseline material noLr185 I
Bko"|e@ 5.Set a description on the non-baseline material indicating the temperature change from baseline 5A^8?,F@ i/Nc)kKL 脚本编程及GUI例程请下载链接: I2-ue 63 ? Mf !S'\ http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs 'V8o["P KdD~;Ap$ http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd B%`|W@v
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