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UID:307293
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- 注冊時(shí)間2016-06-27
- 最后登錄2016-10-11
- 在線時(shí)間5小時(shí)
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訪問TA的空間加好友用道具
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程序如下: HO;,Ya^l % By Ruibin 08-9-25 ">S.~'ds % Instruction:This program help design LED collimating lens , feedback aspheric parameters and several chief dimensions. ) 2Hl\"F If(IG]>`D clear all;clc L!kbDbqn DKqO5e\l8@ % The Frist Step: Define independent parameters j~Ubpf r=3.25; %選擇開孔半徑
_95`w9 R=4.25; %定義曲面底部半徑 6-uB[$ko d=1; %設(shè)置透鏡前方平板高度 g
[+_T{ n=1.4935; %定義材料折射率 !6d`e"\K dividing_angle=24; %定義Core與TIR的分界角 GZ/vUe min_angle=1; %設(shè)置計(jì)算精度 +)TOcxF% N=4; %設(shè)定擬合非球面系數(shù)階數(shù) k'+Mc%pg4E %R1$M318 % The Second Step:Caculate induced variable 6w^Fee`>] angles_Core=(dividing_angle:-min_angle:0);angles_TIR=(90:-min_angle:dividing_angle); .R{P%r num_Core=length(angles_Core);num_TIR=length(angles_TIR); w\ 7aAf3O for i=1:(num_Core) ~UV$(5&- a_Core(i)=(angles_Core(i)*pi/180); -AU!c^-o k1(i)=cot(a_Core(i)); STgYXA( k2(i)=(-k1(i)+(n^2*k1(i)^2+n^2)^(1/2))/(n^2*k1(i)^2-k1(i)^2+n^2); Tta+qjr end p*(]8pDC k1(num_Core)=999;k2(num_Core)=0; HCKj8-* for i=1:num_TIR
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