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[×ÊÔ´] ¡¾Matlab±à³Ì¡¿¸ß˹¹âÊø¾­Í¸¾µ¾Û½¹£¬½¹µã´¦µÄÈýά¹â³¡·Ö²¼

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1¡¢¸ß˹¹âÊøÔÚ¹âÑü´¦µÄÈýά¹âÇ¿·Ö²¼Í¼
clear all
N=200;
w0=200e-9;         

r=linspace(0,3*w0,N);
eta=linspace(0,2*pi,N);
[rho,theta]=meshgrid(r,eta);      
[x,y]=pol2cart(theta,rho);        
I=exp(-2*rho.^2./w0.^2);      
surf(x,y,I);
colormap hot;            

shading interp;
xlabel('x /m');
ylabel('y /m');
zlabel('intensity /a.u.');
axis([-3*w0 3*w0 -3*w0 3*w0 0 1])
title('½¹µã¸½½üÈýά¹â³¡·Ö²¼')
colorbar;


2¡¢¸ß˹¹âÊøÔÚ¹âÑü´¦µÄ¶þά¹âÇ¿·Ö²¼Í¼
clear all
N=200;
w0=200e-9;            %¸ß˹¹âÊøµÄ¹âÑü°ë¾¶

x=linspace(-3*w0,3*w0,N);
y=linspace(-3*w0,3*w0,N);
X=meshgrid(x,y);
Y=meshgrid(y,x);
¡­¡­
¡­¡­



3¡¢¸ß˹¹âÊøÔÚ´«²¥¹ý³ÌÖУ¬½¹µã´¦µÄÈýά¹âÇ¿·Ö²¼
clear all
w0=200e-9;            %¸ß˹¹âÊøµÄ¹âÑü°ë¾¶
wavelength=780e-9;          %¸ß˹¹âÊøµÄ¹â²¨³¤
ZR=pi*w0^2/wavelength;        %¸ß˹¹âÊøµÄÈðÀû³¤¶È
L=3*ZR;                      %¸ß˹¹âÊøµÄ´«Ê䷶Χ
¡­¡­¡­¡­
¡­¡­¡­¡­
¡­¡­¡­¡­




[ Last edited by zhaoyuan0426 on 2012-8-17 at 08:59 ]
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  • ¸½¼þ 1 : untitled.jpg
  • 2012-08-16 21:00:21, 53.66 K
  • ¸½¼þ 2 : untitled1.jpg
  • 2012-08-16 21:00:29, 49.03 K
  • ¸½¼þ 3 : untitled2.jpg
  • 2012-08-16 21:00:55, 45.37 K
  • ¸½¼þ 4 : untitled3.jpg
  • 2012-08-16 21:01:05, 85.21 K
  • ¸½¼þ 5 : untitled4.jpg
  • 2012-08-16 21:01:22, 51.63 K
  • ¸½¼þ 6 : 1.jpg
  • 2012-08-16 21:01:34, 73.73 K
  • ¸½¼þ 7 : 2.jpg
  • 2012-08-16 21:01:53, 76.05 K
  • ¸½¼þ 8 : ½¹µã¸½½üÈýά¹âÇ¿.pdf
  • 2012-08-16 21:03:34, 2.08 M
  • ¸½¼þ 9 : Graph1.pdf
  • 2012-08-16 21:06:45, 24.55 K
  • ¸½¼þ 10 : Matlab½¹µã¹âÇ¿·Ö²¼.doc
  • 2012-08-17 08:59:35, 687.5 K

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kevin123581

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kevin123581

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xiaoxing5

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