2、光密射向光疏 ._^}M<o L
D3cJIVM
clear 5afD;0D5TI
/1MmOB
close all ^#d\HI
9T;4aP>6j#
n1=1.45,n2=1; :a6LfPEAX
V_:`K$
theta=0:0.1:90; l3sF/zkH
!{g<RS(c
a=theta*pi/180; Ww,\s5Uw
Hl,{4%]
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); 4~,Z ' k
I)rO|
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 4T31<wk
r|EN 5
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); qtExd~E
1ZI1+TDH
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); . :Skc
+b(};(wL
figure(1) 7pm'b,J<
!HvA5'|:}
subplot(1,2,1); @khFk.LBD
d.FU))lmD
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) rW)h?, b
,B[j{sE
legend('r_p','r_s','|r_p|','|r_s|') /~Y\KOH|
WeM38&dWY
xlabel('\theta_i') T&lgWOls
5p (zhfuG
ylabel('Amplitude') s0/O/G?
;cXw;$&D
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) cD0rU8x
:j]1wp+
axis([0 90 -1.5 1.5]) 8@t8P5(vL
vkIIuNdDlx
grid on 2#>;cn\
'OsZD?W{
subplot(1,2,2); WO_Uc_R
hq
3n&/
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) @@AL@.*
}|.<EkA
legend('t_p','t_s','|t_p|','|t_s|') Wef%f]u
J!2Z9<q5
xlabel('\theta_i') $fmTa02q>
e$Ksn_wEq
ylabel('Amplitude') 4j#y?^s
vqSpF6F
q
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) h3o'T=`Sm
d=D-s
axis([0 90 -0.5 3]) $*ff]>#
jr=9.=jI8k
grid on hzo> :U
x4WCAqi/2
Rp=abs(rp).^2; ubwM*P
aV\i3\da
Rs=abs(rs).^2; $Zu?Gd?
F\m^slsu7=
Rn=(Rp+Rs)/2; .d<K` .O;
[Fl_R[o
Tp=1-Rp; .nPOjwEx&Y
j'D%eQI,V
Ts=1-Rs;
?9`j1[0
w:5?ofC
Tn=(Tp+Ts)/2; ON,[!pc
'Aq^z%|
figure(2) `D4Wg<,9
YnEyL2SuU
subplot(1,2,1); #`VAw ) eV
]SQ+r*a
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) K!6T8^JH
h.edb6
legend('R_p','R_s','R_n') @IL04' \
(VeK7cU
xlabel('\theta_i') L/i'6(="
zjmoIE
ylabel('Amplitude') \u,CixV=
#_DpiiS,.Q
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Fi i(dmn
riIubX#
axis([0 90 0 1]) ~<[+!&<U
}j/\OY _&
grid on #Zdh<.
GHsDZ(d3.
subplot(1,2,2); cXq9k!I%
90vWqL!
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) %Psg53N
C~ &E7w