| 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 @ ju-cv+
fJ\Ys;l[j
clear !+fHdB
tbOe,-U-@
close all Yq5}r?N
/9GqEQsfM
n1=1.45,n2=1; 8,kbGlSD
w_|WberU
theta=0:0.1:90; (G$m}ng
SAo"+%
a=theta*pi/180; a o7|8[
\
2".Kb@ =
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); F7"I hb^l
}^LcKV
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); A Su9c 2s
lfI[r|
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); 0s< o5`v
eMh:T@S N
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); Yn I
K5 w22L^=+
arp=angle(rp); $X\BO&
@H{$,\\
ars=angle(rs); Nw|Lrn*h!
{z.}u5N
atp=angle(tp); ,][+: fvS
;W+.]_$6)T
ats=angle(ts); ]pB~&0jg
MGmtA(
figure(1) yY&(?6\{<<
y>~Ke UC
subplot(1,2,1); }.T$bj1B;V
hc[GpZcw,
plot(theta,arp,'-',theta,ars,'--','LineWidth',2) CZ&TUE|:DA
1e b1Lvn
legend('arg(r_p)','arg(r_s)') S2<(n,"
h_CeGl!M}
xlabel('\theta_i') |f zo$Bq
;
9'*w=V
ylabel('\phi') [C r_2
Y<0f1N
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) jN* A"m
Tzk8y 7$[
axis([0 90 -3.5 3.5]) n *O/ X
2%@ j<yS
grid on !P:hf/l[B
F^ Q
subplot(1,2,2); XhIg zaGVu
pH"LZ7)DI0
plot(theta,atp,'-',theta,ats,'--','LineWidth',2) q 2 hZ1o
ipbVQ7
legend('arg(t_p)','arg(t_s)') %b!p{p
A: @=?(lI3
xlabel('\theta_i') WQK#&r*
?>A hC{
ylabel('\phi') I&(cdKY
z
!'[sV^ ds
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ]1Q\wsB
B 2,!
0Re
axis([0 90 -3.5 3.5]) 8KAyif@1::
+h9CcBd
grid on ]X-ZRmB`
-}N{'S,Bp
[attachment=80482]
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