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200833 2017-11-26 22:33

利用MATLAB光学仿真（1）

利用菲涅尔公式计算光波在两种介质表面折反射率及折反射能流密度 }T4"#'`  
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1、光疏射向光密 Yz\z Qj  
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clear q ( H^H  
HrEZ]iQ@O0  
close all 2vu"PeU9  
|W`1#sP>  
n1=1,n2=1.45; 6hAeLlU1  
(9fqUbG  
theta=0:0.1:90; iV(B0z  
a}0\kDe  
a=theta*pi/180; [[oX$0Fp\!  
)Xl/|YD  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); }bAd@a9>3  
-O^b  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); @C~TD)K  
\,ir]e,1  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); zp,f}  
3yZtyXRPn  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ;BejFcb  
ofj7$se  
figure(1) CZxQz  
U$ _?T-x  
subplot(1,2,1); O]4!U#A  
UVxE~801Y  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) m/cbRuPWgP  
{KdC5 1"Nv  
legend('r_p','r_s','|r_p|','|r_s|') =_D82`p  
eP(%+[g  
xlabel('\theta_i') /^P^K  
#HJF==  
ylabel('Amplitude') v}+axu/?  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) w`c9_V  
Yw\} '7  
axis([0 90 -1 1]) c zL[W2l   
A\i /@x5#  
grid on ryW1OV6?_0  
`(_cR@\  
subplot(1,2,2); #CW]70H`  
9hmCvQgtf  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) n&r-  
cx_[Y  
legend('t_p','t_s','|t_p|','|t_s|') v"F.<Q  
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xlabel('\theta_i') pyT+ba#  
o~NeS|a  
ylabel('Amplitude') -,TBUWg  
_-o*3gmbQ  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) @1*lmFq'kV  
#h6(DuViKw  
axis([0 90 0 1]) 7. G   
T 2x~fiM  
grid on <^~Xnstl  
q[M7)-  
Rp=abs(rp).^2; ;wL *  
umcbIi('  
Rs=abs(rs).^2;  ,H1J$=X'  
wju~5  
Rn=(Rp+Rs)/2; B 0 K2Uw  
@!0j)5%  
Tp=1-Rp; %b\xRt[0v7  
xXA$16kd  
Ts=1-Rs; J:?t.c~$o  
Jgtv ia  
Tn=(Tp+Ts)/2; F#X\}MvEU  
uqTOEHH7  
figure(2) Pk8L- [&v  
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subplot(1,2,1); j"94hWb  
qgI Jg6x/}  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) T2Y`q'  
&=$8 v"&^  
legend('R_p','R_s','R_n') /rv XCA)j  
M#<x2ojW  
xlabel('\theta_i') }s}9@kl;&  
+S;8=lzuV  
ylabel('Amplitude') +QldZba  
;Jx ^  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 6O tv[8^}  
sv0kksj  
axis([0 90 0 1]) X\1D[n:  
A8Jbl^7E+  
grid on A]H+rxg  
8$G$Rdn  
subplot(1,2,2); SCGQo.~,  
cq[}>5*k  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) $<ZX};/D  
KJ9~"v  
legend('T_p','T_s','T_n') *Gu=O|Mm  
xFpJ#S&  
xlabel('\theta_i') =A!I-@]q<  
!. 0W?6yo  
ylabel('Amplitude') {|rwIRe  
?C $_?Qi  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) pn =S%Qf]  
)%MB o.NL  
axis([0 90 0 1]) 7gJy xQ  
w^ DAu1  
grid on DD~8:\QD  
DH 9?~|  
[attachment=80479] `mWg$e,  
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[attachment=80478] 4Yn*q~f  
200833 2017-11-26 22:36
2、光密射向光疏 FJ2^0s/"  
HZP`u >.  
clear M@gm.)d  
Y)!5Z.K  
close all : 0%V:B  
n\P{Mc  
n1=1.45,n2=1; )fC^h=Qp  
+ 1cK (Si  
theta=0:0.1:90; M<)HJ lr  
my*/MC^O  
a=theta*pi/180; >Vg<J~[g  
ci*Z9&eS+  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); un..UU4  
0_%u(?  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); Jj([O2Eq$  
ffSecoX  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); $_<,bC1[  
)WBTqML[  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); Mb+cXdZb  
*%Q!22?6F  
figure(1) <S5Am%vo  
vu1F  
subplot(1,2,1); :~g=n&x  
!R4`ihi1  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) k+%6 :r,r&  
Oi=kL{DG:s  
legend('r_p','r_s','|r_p|','|r_s|') }}K4 4<]u  
n Hy|  
xlabel('\theta_i') *qGxQ?/  
@R>J\>  
ylabel('Amplitude') p)Z$q2L  
:X/j%m*  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) e=TB/W_  
gHA"O@HgDI  
axis([0 90 -1.5 1.5]) fY$M**/,  
X> =`{JS1  
grid on (*BQd1Z  
0Ocy$  
subplot(1,2,2); jBarYg  
.[ NB"\<q  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) F3i+t+Jt  
>2,x#RQs  
legend('t_p','t_s','|t_p|','|t_s|') 'eZ UNX  
DHd9yP9-  
xlabel('\theta_i') 2 D>WIOX  
8:|F'{<<b  
ylabel('Amplitude') $&I##od  
aI{Ehbf=  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) v&;q4b4  
nK)U.SZ  
axis([0 90 -0.5 3]) #ih(I7prH  
q okgu$2  
grid on ` <cB 6  
xlZ"F  
Rp=abs(rp).^2; uckag/tv  
QX1QYwcmG  
Rs=abs(rs).^2; N0,wT6.  
n*D-01v YP  
Rn=(Rp+Rs)/2; 4Z12Z@A#7  
GsA/pXx  
Tp=1-Rp; }(4U7Ac  
Ri=>evx  
Ts=1-Rs; OX d617  
$T.we+u  
Tn=(Tp+Ts)/2; D~E1hr&Vd>  
$hZb<Xz  
figure(2) CZe0kH^:{  
aw&:$twbM  
subplot(1,2,1); \x P$m|Y3  
,:Qy%k}f  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) %xF j;U?  
ofH=h  
legend('R_p','R_s','R_n') _H@Y%"ZHJ6  
a+sHW<QeS  
xlabel('\theta_i') J6J[\  
D;VQoO  
ylabel('Amplitude') qKNX^n;  
$8zsqd 4?  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) d*Q:[RUf,  
q_S`@2Dzz,  
axis([0 90 0 1]) /J!C2  
f'P}]_3(  
grid on o>*vG  
x dDR/KS  
subplot(1,2,2); l}odW  
64xq@_+  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) 5(e?,B }  
&* GwA  
legend('T_p','T_s','T_n') .I\)1kjX  
$Gt1T[:QUX  
xlabel('\theta_i') R-nC+)^  
vQf'lEFk  
ylabel('Amplitude') w20E]4"  
`s74g0h  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 18JhC*in  
rx`G* k{X  
axis([0 90 0 1]) /?X1>A:*  
q@ !p  
grid on hCRW0 I  
{MX_t/o=f  
[attachment=80481] N,v4SIC@  
G"!YV#"~  
[attachment=80480]
大博归来 2017-11-27 08:03
感谢楼主分享
hit2011 2017-12-02 14:58
这个在《MATLAB在光学中的应用》这本书里都有
direwolf100 2017-12-05 22:34
谢谢了楼主分享
jabil 2022-03-07 13:54
thanks
cici2015 2022-08-03 07:32
谢谢了楼主分享
13428299720 2023-07-21 20:02
学习学习
lalallaal 2025-02-28 10:13
学习学习 EN.yU!N.4  
jabil 2025-03-07 09:40
Thanks
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