2、光密射向光疏 L/cbq*L
2,%ne (
clear lu.2ZQE
xhMdn3~U
close all ]7"mt2Q=3
Nb{oH +$b
n1=1.45,n2=1; WqU$cQD"
8|Y^z_C
theta=0:0.1:90; ma*9O |v^
{k~$\J?.
a=theta*pi/180; u09OnP\
qOa-@MN
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); `^N;%[c`z
CnA*o 8w
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 7y`~T+
r*3XM{bZ/@
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); !8s:3]
/3Gv51'
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); IweQB} d
qC|re!K
figure(1) %F/tbXy{
wy&*6>.
subplot(1,2,1); ;[zx'e?!
B'0Il"g'
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) CC87<>V
}&naP
legend('r_p','r_s','|r_p|','|r_s|') cE]kI,Fw,M
3i$AR
xlabel('\theta_i') p9sxA|O=y
mg;AcAS.o,
ylabel('Amplitude') Tp6ysjao
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4 L
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) p_(hM&>C
?^+|V,<
axis([0 90 -1.5 1.5]) BPOWo8TqD^
=gqZ^v&5U
grid on \%^3Izsc
q.X-2jjpx:
subplot(1,2,2); ";. 3+z
C]XDDr
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) 5LK>n-
~5#7i_%@E}
legend('t_p','t_s','|t_p|','|t_s|') V)Xcn'h
.lnD]Q
xlabel('\theta_i') Te13Af~
d16PY_
ylabel('Amplitude') Te/)[I'Tn
%qv7;E2C
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ZqGq%8\.s
`'QPe42
axis([0 90 -0.5 3])
t|DYz#]
={oO9.9
grid on MG@19R2s
S {H8}m|MW
Rp=abs(rp).^2; }bTMeCgI
_8>"&1n
Rs=abs(rs).^2; h 2zCX
] ge-b\
Rn=(Rp+Rs)/2; lb('r"*.
M@3H]t?
Tp=1-Rp; U|QDV16f
5*r6#[S\
Ts=1-Rs; 1XKk~G"D
]=3O,\
Tn=(Tp+Ts)/2; A.FI] K@
+A3H#'
figure(2) .,,73"
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subplot(1,2,1); y()( 8L
V_kE"W)
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) !Z ZA I_N
yiq#p"Hs
legend('R_p','R_s','R_n') .%A2
Fqv5WoYVf
xlabel('\theta_i') /~[R
u
>R<fm
ylabel('Amplitude') K&h6#[^\d
YovY0nO
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) K/-D 5U
s$_#T
axis([0 90 0 1]) G;;~xfE'
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grid on v2'JL(=
gib]#n1!p
subplot(1,2,2); M=A9ax
[}p.*U_nw
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) V]}b3Y!(
bRK9Qt#3
legend('T_p','T_s','T_n') Izu.I_$4
~aG-^BAS
xlabel('\theta_i') O|~'-^
$EIkk= z
ylabel('Amplitude') wrU[#g,uvr
vp@+wh]#
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) gOM`I+CwT
@\?f77Of6
axis([0 90 0 1]) ,GIqRT4K
&?6w2[}
grid on t,,^^ll
mtHz6+
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