2、光密射向光疏
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clear "c+j2f'f
#\P\(+0K
close all j<*
hq[:U?!Tt
n1=1.45,n2=1; @%FLT6MY
,Wbr;
zb
theta=0:0.1:90; {pWb*~!k
0\B31=N(
a=theta*pi/180; iY~.U`b`
|qOoL*z
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); h)NZG6R
_ ^2\/@
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); {fd/:B 7T
P0mY/bBU
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); J2_~iC&;s
rd
)_*{
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); d O})#50f
5YV3pFz$)
figure(1) AhyV
YK{E=<:
subplot(1,2,1); `d,v
Wx8oTN
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) 4uX|2nJ2!;
B2kKEMdGg
legend('r_p','r_s','|r_p|','|r_s|') w'r?)WW$
R(^2+mV?
xlabel('\theta_i') On`T
pz/
.="/n8B
ylabel('Amplitude') B=<Z@u
)0 1,3J>#
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ZFxa2J~ ;
t@#l0lu$
axis([0 90 -1.5 1.5]) 78MQoG<
mVs<XnA47
grid on ,N1I\f
!
^ DQX=1
subplot(1,2,2); xHpB/P ~
ahUc;S:v#
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) <i$ud&D
qlU"v)Mx
legend('t_p','t_s','|t_p|','|t_s|') ]ZI ?U<0
xb (Cd
xlabel('\theta_i') w=Yc(Y:h
qib4DT$v-6
ylabel('Amplitude') c $fYK
xX:N-
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) HZl//Uq
2mt
S\bAF
axis([0 90 -0.5 3]) dRGgiQO
oro^'#ki
grid on *dpKo&y
-tH ^Deo
Rp=abs(rp).^2; `Ei:Z%@7C
L5RBe
Rs=abs(rs).^2; "q]r{0
;%<R>gDWv
Rn=(Rp+Rs)/2; .kqH}{hf
9`FPV`/
Tp=1-Rp; j&|>Aa${
Q~-M B]'
Ts=1-Rs; mzbMX
<
x!`~+f.6
Tn=(Tp+Ts)/2; #\T5r*W
zf.&E3Sn
figure(2) YcdT/
hhr!FQ.+/
subplot(1,2,1); iebnQf
]b&O#D9
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) B(ZK\]
cKe{ ]a
legend('R_p','R_s','R_n') gw_]Y^U
=8W'4MC
xlabel('\theta_i') W&s@2y?rF
pRc<U^Z.h
ylabel('Amplitude') zy\R>4i'#Q
,b'QL6>`
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ]1dnp]r
,@Ae o9}
axis([0 90 0 1]) LEJn
1
nJr:U2d
grid on V6a+VfH
;0JK>c
]#
subplot(1,2,2); %^ LwLyoVM
+AkMU|6
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) ^b&U0k$R
>!BZ>G2
legend('T_p','T_s','T_n') v[!ZRwk4w3
A[8vD</}_
xlabel('\theta_i') TYu(;~
SadffAvSA{
ylabel('Amplitude') .?dYY;P
Kq&JvY^
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) %"=qdBuk
<d]
t{M62W
axis([0 90 0 1]) .]y"04@]
R.)w
l
grid on i"OY=iw-N
mNdEn<W
,k+F8{Q.
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