| 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 CuNHDYQ&3
'C<= b UM
clear 1S:H!h3
V-3]h
ba,
close all dX=^>9hN/
W+X
zU"l
n1=1.45,n2=1; ^*OA%wg3=h
ZxW V ,s&p
theta=0:0.1:90; }I]q$3 .
=@>&kU%$&
a=theta*pi/180; i1C'
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rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); #Uu"olX7
ZlzFmNe60
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ]\U'_G2]
{w++)N2sh
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); O{ V"'o
(x@"Dp=MZW
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); Zj;!7ZuT1
y6oDbwke
arp=angle(rp); XEI]T~
{ex ]_V>
ars=angle(rs); nDvWOt
T5h[{J^
atp=angle(tp); b+>godTi_
3'w BX
ats=angle(ts); cg5DyQ(
"oQ@.]-#
figure(1) mq L+W
%y q}4[S+o
subplot(1,2,1); g nGw 7V
:>k\ uW
plot(theta,arp,'-',theta,ars,'--','LineWidth',2) *bx cq
.uP$ M(?j
legend('arg(r_p)','arg(r_s)') q,G L#L
>+ r2I%
xlabel('\theta_i') tj3p71%
y~fy 0P:T
ylabel('\phi') M<nn+vy`
vuf|2!kh/
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) z,tax`O
RjT[y: !
axis([0 90 -3.5 3.5]) 2-4%h!
bQ%^l#H_n'
grid on -vyC,A
uD"Voh|]=
subplot(1,2,2); *uIHa"
.JqIAC~
plot(theta,atp,'-',theta,ats,'--','LineWidth',2) Jj!T7f*-GX
<bH>\@p7}
legend('arg(t_p)','arg(t_s)') -l", !sV
|B id(`t.
xlabel('\theta_i') cmTZ ))m
?2M15Q
ylabel('\phi') qv:WC
TAn
.jCdJ
=z
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) l},%g%}iMU
ll#PCgIm
axis([0 90 -3.5 3.5]) Wg[`H=)Q
M I/1uw
grid on i<
ih :
Umqm5*P(
[attachment=80482]
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