| 200833 |
2017-11-26 22:37 |
利用MATLAB光学仿真（2）
计算光波由光密入射到光疏介质时相位变化 !
o^Ic`FhS
R H=$h! 5
clear 9>{t }I d
b8cV nP
close all +@>:%yX
N<"`ShCNM
n1=1.45,n2=1; l% |cB93
3"vRK5Bf
theta=0:0.1:90; ^5>du~d
/p}{#DLB
a=theta*pi/180; &<=e_0zT
+',^((o
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ?C~X@sq
nF j- <!
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); mo* '"/
}\4p3RQrz
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); /B=l,:TnJ
5&G
5eA
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); >3+F Z@.iT
QxA0I+i
arp=angle(rp); N Z)b:~a
Me<du&
T
ars=angle(rs); u/#&0_
P
9H[/T j-;
atp=angle(tp); +:!ScG*
s~)L_ p
ats=angle(ts); E+I m~=m$
%GS\1 Q%
figure(1) XW^8A 77H
S{ey@ X(
subplot(1,2,1); qf)C%3gXI
%awVVt{aG
plot(theta,arp,'-',theta,ars,'--','LineWidth',2)
363cuRP
s1Okoxh/!V
legend('arg(r_p)','arg(r_s)') H):-! ?:
Gj5>Y!9
xlabel('\theta_i') o|+E+l9\
2@4x"F]U;
ylabel('\phi') %P( ;8sS
PlF!cr7:4
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) '1]+8E
`Z
fMyE&#}z
axis([0 90 -3.5 3.5]) \ U Ax(;
N:OD0m%`)
grid on Et)9 20
'xsbm^n6a&
subplot(1,2,2); tnN'V
D7M0NEY
plot(theta,atp,'-',theta,ats,'--','LineWidth',2) ,;7`{Nab
)>?! xx_`
legend('arg(t_p)','arg(t_s)') M q76]I%
Ew>~a8! Fq
xlabel('\theta_i') >H)^6sJ;%b
([[ )Ub$U
ylabel('\phi')
!8we8)7
xcw%RUC-
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ZU )BJ!L,s
>6XDX=JVI
axis([0 90 -3.5 3.5]) 9jqO/_7R+
W0C{~|e
grid on Xm%iPrl D
B'<!k7Ew y
[attachment=80482]
|
|