| 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.#R r/+)
A ' ![*O
clear .+Q 1h61$T
>=rniHs=?7
close all u`B/ 9-K)y
1xtS$^APcd
n1=1.45,n2=1; Y ,mo}X<>
(=rDt93J
theta=0:0.1:90; )( YJ6l
U1 3Lsky%
a=theta*pi/180; K
HNU=k
orWF>o=1
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); V@L By1z
P{s1NorKDh
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); (j:[<U
\{rhHb\|h
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); Ts, U T L
>yenuqIKQv
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 'M?pg$ta_V
UC`sq-n
arp=angle(rp); 9J M f
T]
mGwJ>'+d
ars=angle(rs); K\RMX?YsP
U1yspHiZ
atp=angle(tp); i5WO )9Us
U/HF6=Wot
ats=angle(ts); _MQh<,Z8
=%}(Dvjv
figure(1) >)[W7h
0|hOoO]?q&
subplot(1,2,1); 2
=>3B
Vw. 4;Zy(
plot(theta,arp,'-',theta,ars,'--','LineWidth',2) !t)uRJ
KI\
9 )
legend('arg(r_p)','arg(r_s)') djdSD
j9%vw.3b
xlabel('\theta_i') C3<_ 0eI
`]&'yt
ylabel('\phi') ldKLTO*&
rd(-2,$4
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) xy)W_~Mk
JV;VR9-l
axis([0 90 -3.5 3.5]) p8CaD4bE
xn Z
grid on Ko0T[TNkh
naY#`xig
subplot(1,2,2); 2Y}A9Veb
`1
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plot(theta,atp,'-',theta,ats,'--','LineWidth',2) Nc(A5*
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legend('arg(t_p)','arg(t_s)') &9n=!S'Md
2ZxZ2?.uJ
xlabel('\theta_i') U`4t4CHA
${U H!n{
ylabel('\phi') cPl$N5/5
4d-"kx3X
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) zL+M-2hV
M[Jy?b)
axis([0 90 -3.5 3.5]) <
$rXQ
)5U7 w
grid on p#dYNed]'
O FlY"O S[
[attachment=80482]
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