2、光密射向光疏 S/#) :,YS
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clear e_fg s>o`(
'DaNR`9
close all ?7rmwy\
&6|6J1c8
n1=1.45,n2=1; T{5M1r
|[lxV&SD.
theta=0:0.1:90; yb@X*PW/z
mafAC73
a=theta*pi/180; BDv|~NHs
8eg2o$k_,#
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); n?TO!5RZK
}w|=c>'_}
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); `R4W4h'I
xEd#~`Jmr
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); v.~Nv@+kR
*@b~f&Lx6
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); @j)f(Zlu#
LH?gJ8`
figure(1) ex;Yn{4
Mt7X<?GZm
subplot(1,2,1); FvtM~[Q
~|$) 1
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) q\{;_?a
LN,$P
legend('r_p','r_s','|r_p|','|r_s|') bUipp\[aV
bKZAJLnd
xlabel('\theta_i') K4K3<Pg
+#i,87
ylabel('Amplitude') P~b%;*m}8
X:zyzEhS
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) y$;zTH_6j
YV2pERl
axis([0 90 -1.5 1.5]) qB`0^V
\k$]GK-
grid on <9MQ
I%VV4,I&pK
subplot(1,2,2); l1`c?Y
N8/Au=De_
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) R[ +]d|L
t`&s
legend('t_p','t_s','|t_p|','|t_s|') \a~;8):q=i
<try%p|f
xlabel('\theta_i') `siy!R
FHnHhB [
ylabel('Amplitude') G%W03c
e-T9HM&%P
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ,rvZW}=
U`vt/#j
1
axis([0 90 -0.5 3]) ~k:>Xo[|O
2-B8>-
grid on I{X@<o}
O+3D
5*
Rp=abs(rp).^2; 'KN!m|
z
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Rs=abs(rs).^2; u.xA}yVS
3 `C3+
Rn=(Rp+Rs)/2; z<C~DH
8)2u@sx%
Tp=1-Rp; vr]dRStr
v2dSC(hRZ
Ts=1-Rs; ?),K=E+=U
::Ve ,-0
Tn=(Tp+Ts)/2; fh5^Gd~
:[$i~V
figure(2) RAXJsF^5o
='l6&3X
subplot(1,2,1); T=)L5 Vuq<
W0C$*oe!_i
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) &`9bGO
h11bK'TIv
legend('R_p','R_s','R_n') ;-P:$zw9c
G#=b6DB
xlabel('\theta_i') :d/:Ga5v!
s 13 d*
ylabel('Amplitude') Q0oDl8~
hc~#l #
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ?\ i,JJO
;:K?7wfXn
axis([0 90 0 1]) \?Oa}&k$F8
ZpP6Q
grid on m$e@<~To
TTjjyZ@
subplot(1,2,2); N6 Cc%,
085 ^!AZ
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) ~o\]K
r'}k`A5>
legend('T_p','T_s','T_n') #p^pvdvh3
6-E4)0\
xlabel('\theta_i') 8CHf. SXh
eXtF[0f
ylabel('Amplitude') fTnyCaB
/-} p7AM
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) n ;fTx
gj(l&F *@
axis([0 90 0 1]) Ay. q)
OjL"0imN6
grid on ;@$, "
P
$2Tty 7
doUqUak
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