| 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 Q!(qL[o
C+< z ;9`
clear Yv7`5b{N.
$P7G,0-
close all ]>'yt #]
h 1 `yW#%
n1=1.45,n2=1; BdYl
sYp
v>]^wH>/"
theta=0:0.1:90; +E-f
>x 6$F*:W}
a=theta*pi/180; (g
9G!I
7iM;X2=7}
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); Z+J; nl
U<Z\jT[
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); Da WzQe=
ja|XFs~
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); y+D"LeCAad
u, Rhm -`
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); RI 2Or9.
t
9Dr%#
arp=angle(rp); /naGn@m5u
W;9J ah.
ars=angle(rs); J&jNONu?
!YJ^BI
atp=angle(tp); g bc])`aJ>
TR ( [u
ats=angle(ts); i < %
!s:v UY58
figure(1) a vI
^68BxYUoD\
subplot(1,2,1); %M_5C4&6
Q8sCI An{
plot(theta,arp,'-',theta,ars,'--','LineWidth',2) NA`EG, 2
d PfD Pb
legend('arg(r_p)','arg(r_s)') [
queXDn"m
9v2(cpZ
xlabel('\theta_i') e2xqK G
mlmXFEC
ylabel('\phi') !Ho=(6V
/Vy8%
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) v8L&F9
o
al3[Ph5G
axis([0 90 -3.5 3.5]) Pv(icf
l|
Nu% JI6&R
grid on <Gr775"
}M I9?\"q
subplot(1,2,2); ?8LRd5LH
yv!,iK9
plot(theta,atp,'-',theta,ats,'--','LineWidth',2) U.@j !UrZ
G2x5% `
legend('arg(t_p)','arg(t_s)') UkY
`&&ic
}Pj3O~z
xlabel('\theta_i') ]GS@ ub
X[cSmkp7
ylabel('\phi') vG<JOx P
GAl AFsB
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Yjr6/&ML
\q 8D7/q
axis([0 90 -3.5 3.5]) B !hrr
t7%!~s=,M
grid on L|3wG Y9E
8 '2lc
[attachment=80482]
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