| 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 U9AtC.IG!
S*rc XG6Q^
clear vaZ?>94
n6*;
~h5
close all g: "Hg-s
q{.~=~
n1=1.45,n2=1; t aOsC! Bp
3lNw*M|")
theta=0:0.1:90; Os1y8ui
3*b!]^d:D
a=theta*pi/180; < YuI}d~'
Fw;Y)y=O
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); QLTE`t5w3'
c>Ljv('bj
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); SiJX5ydz
_d<\@Tkw
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); 1'* {Vm M
lc0Z fC
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); s[@@INU
P^*gk P
arp=angle(rp); o=(>#iV M
O4 Y;
ars=angle(rs); 6d/b*,4[
3!B3C(g
atp=angle(tp); 0b}lwo, |\
{EupB?
ats=angle(ts); |m7`:~ow
*'(dcy9
figure(1) LvS3c9|Aj
J h:-<x y)
subplot(1,2,1); !PrO~
% 25_
plot(theta,arp,'-',theta,ars,'--','LineWidth',2) # $%gs]
+NEP *mk
legend('arg(r_p)','arg(r_s)') `+/[0B=.
VVje|T^{Z
xlabel('\theta_i') ,@ Cru=
u]c nbm
ylabel('\phi') Cj):g,[a
f1>^kl3@P
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) V1;Qt-i
9Au+mIN
axis([0 90 -3.5 3.5]) XT_BiZ%l5O
Vt4}!b(O
grid on :<IW'
F]?$Q'U
subplot(1,2,2); Tm^zo Vi
*id|za|:k
plot(theta,atp,'-',theta,ats,'--','LineWidth',2) 0KT{K(
S8vm XlD
legend('arg(t_p)','arg(t_s)') A?|cJ"N
JT^ E `<nn
xlabel('\theta_i') e@,,;YO#4
Nd!2 @?V4
ylabel('\phi') rb \Ohv\
gkk < -j'
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) /9w}[ y*E
1I^Sv
axis([0 90 -3.5 3.5]) ,n!xzoX_
0XYO2 k
grid on r rwsj`
c8"I]Qc7
[attachment=80482]
|
|