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程序如下: AY]rQ:I % By Ruibin 08-9-25 9S?b &] % Instruction:This program help design LED collimating lens , feedback aspheric parameters and several chief dimensions. C@MJn)$4 0Rn`63# clear all;clc BO 3z$c1yU +p-S36K~,7 % The Frist Step: Define independent parameters 9x14I2 r=3.25; %選擇開孔半徑 "9RW<+ R=4.25; %定義曲面底部半徑 @iVEnb.' d=1; %設(shè)置透鏡前方平板高度 ]Gl5Qf:+z n=1.4935; %定義材料折射率 i;67<f}- dividing_angle=24; %定義Core與TIR的分界角 o6X<FE#8 min_angle=1; %設(shè)置計算精度 NV^n}]ci N=4; %設(shè)定擬合非球面系數(shù)階數(shù) S3dcE"hg OQ<NB7'n0A % The Second Step:Caculate induced variable ?o(Y\YJf angles_Core=(dividing_angle:-min_angle:0);angles_TIR=(90:-min_angle:dividing_angle); <*opVy^ num_Core=length(angles_Core);num_TIR=length(angles_TIR); ([
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