|
|
雙折射材料的溫度修正 Birefringent Material Temperature Modification !B3TLe h ^OY]Y+S`Ox 目前，FRED尚不支持“global”溫度設(shè)置，溫度敏感性評(píng)估一般用腳本編程來(lái)完成，該文檔演示雙折射材料的折射率隨溫度變化的問(wèn)題。附件案例文件包括兩個(gè)雙折射材料模，“KDP”和 “KDP Baseline”， KDP Baseline材料存儲(chǔ)在已知溫度下的折射率，KDP材料用于儲(chǔ)存在“current”溫度下的折射率值，定義為與baseline material之間的溫度差。一個(gè)嵌入的腳本名為“modifyBirefringentMaterialIndex” ，包含在FRED文件中，另外也單獨(dú)附加。其實(shí)現(xiàn)過(guò)程如下： O{X~,Em=q F]3Y, {/V 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline YqX$ a ~ sE" s!s/ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline h+g\tYWGP , Z"<-%3 3.Loop over the baseline material samples and determine the number of wavelength entries }sXTZX I$7eiW @ 4.Loop over each sampled wavelength entry in the baseline material G>V6{g2 Q {.:$F 3T a.Modify the ordinary and extraordinary refractive index values using (2) above p
u(m HB jn2=)KBa_ b.Apply the modified values to the non-baseline material *1d Ds^D#| KG'i#(u[ 5.Set a description on the non-baseline material indicating the temperature change from baseline !
|
