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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 *~p~IX{  
b0\'JZ  
1、光疏射向光密 ]>utLi5dX  
H<$.AC\zn  
clear p(2j7W-/  
O5"o/Y~m  
close all j s(E-d/  
R=D\VIu,Z  
n1=1,n2=1.45; OL+!,Y  
6{O#!o*g  
theta=0:0.1:90; jgiP2k[Xom  
S6sSdo'  
a=theta*pi/180; " mKMym2  
FV[6">;g  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); j/zD`yd j  
Kuh! b`9  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 47Y| 1  
q.(p.uD  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); <`dF~   
r#{r]q_E*  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); -t9oL3J  
D3^[OHi~a  
figure(1) _ Ko0  
?Y"bt^4j  
subplot(1,2,1); &`rV{%N"  
C9-9cdW H  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) 5H6GZ:hp  
>Kl78w:  
legend('r_p','r_s','|r_p|','|r_s|') Ow\9vf6H  
F"a^`E&  
xlabel('\theta_i') 0w >DU^+  
oH+UuP2a-J  
ylabel('Amplitude') <$liWAGX\  
6'C!Au  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ]\nG1+ta  
dE5DH~ldV  
axis([0 90 -1 1]) !2x"'o  
#SY8Zv  
grid on M3Kpp _d_!  
v)JQb-<  
subplot(1,2,2); K*J8(/WkD  
,8uu,,c  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) FH8?W| G  
RCt)qh+  
legend('t_p','t_s','|t_p|','|t_s|') 1at$_\{.(  
[Hdk=p  
xlabel('\theta_i') Xi5kE'_  
Pyi PhOJe  
ylabel('Amplitude') 4qda!%  
|PN-,f{-  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) KGUpXMd^Z  
yh_s(>sh  
axis([0 90 0 1]) 5q]u:  
#},]`"n\  
grid on "!)8bTW  
89l_%To  
Rp=abs(rp).^2; F dv&kK!  
~E^EF{h   
Rs=abs(rs).^2; p!'wOThO`  
se_zCS4Y  
Rn=(Rp+Rs)/2; +bm2vIh$  
y<F$@  
Tp=1-Rp; MbnV5b:X  
va8:QHdU  
Ts=1-Rs; gb(\c:yg1R  
mC~W/KReA  
Tn=(Tp+Ts)/2; F__>`Do l  
Cu;X{F'H  
figure(2) ! # tRl  
n2#uH  
subplot(1,2,1); tzpGKhrk6  
jZv8X 5i  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) Tf@t.4\  
@YwaOc_%  
legend('R_p','R_s','R_n') ?5mVC]W?]  
=|3 L'cDC  
xlabel('\theta_i') QHs=Zh;"  
FA{I S0  
ylabel('Amplitude') d+T]EpQJ*  
1rPeh{SZ  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) LO"HwN43h  
iI&SI#; _  
axis([0 90 0 1]) 66L*6O4  
>Dtw^1i  
grid on p'w[5'  
l"*>>/U k  
subplot(1,2,2); OD1ns  
6l_8Q w*5I  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) R&xD|w8UjM  
hChM hc  
legend('T_p','T_s','T_n') 6AQ;P  
g"Ii'JZ?  
xlabel('\theta_i') *R~oA`  
CKBi-q FH  
ylabel('Amplitude') oub4/0tN,~  
G~esSL^G/  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) coLn};W2  
Gj)Qw 6  
axis([0 90 0 1]) },Z -w_H  
5Rec}H  
grid on ]hf4= gm  
S'@"a%EV  
[attachment=80479] 0N T3  
t#pY2!/T3  
[attachment=80478] 3:;%@4f  
200833 2017-11-26 22:36
2、光密射向光疏 S i>TG  
i{e<kKh  
clear rRt<kTk!U  
W@S9}+wl*  
close all kXjpCtCu  
$\K(EBi#G  
n1=1.45,n2=1; ^y6CV4T+  
r=[}7N  
theta=0:0.1:90; Fh/C{cX9g  
<1LuYEDq  
a=theta*pi/180; :YI>AaYWDO  
sO6t8)$b  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); z`2d(KE?  
=lmh^**4  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); T a[74;VO  
Lul?@>T  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); )I$Mh@F  
=~S   
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); {vH8X(m  
"nefRz%j+  
figure(1) )/pPY  
}wb;ulN)  
subplot(1,2,1); Arv8P P^'  
mT9\%5d3  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) 0z xeA +U  
1&As:kv5I  
legend('r_p','r_s','|r_p|','|r_s|') >k jJq]A2  
{p\KB!Y-  
xlabel('\theta_i') t8+93,*B  
UmuFzw^  
ylabel('Amplitude') ,5?MRqCM  
'[E_7$d  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) syfR5wc  
~S6N'$^  
axis([0 90 -1.5 1.5]) PWU#`>4  
sP |i '  
grid on R{B~Now3  
Og npzN  
subplot(1,2,2); KAzRFX),  
ZSSgc0u^?  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) TK>}$.c%+  
~e8n yB  
legend('t_p','t_s','|t_p|','|t_s|') pk4&-iu9  
sJlKN  
xlabel('\theta_i') ~k(Ez pn#  
mx4*zj  
ylabel('Amplitude') /0uinx  
463dLEd  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ZIl<y{  
AVWrD[ wD2  
axis([0 90 -0.5 3]) \nWpV7TSN  
"lZ<bG  
grid on 2Qj)@&zKe#  
ZB%~>  
Rp=abs(rp).^2; g < o;\\  
~] 2R+  
Rs=abs(rs).^2; J|IDnCK  
B$Z!E%a;  
Rn=(Rp+Rs)/2; y|se^dn  
' ^^K#f8  
Tp=1-Rp; -`UlntEdZ:  
mK-:laIL"  
Ts=1-Rs; IycxRig  
U'G`Q0n  
Tn=(Tp+Ts)/2; ]IV; >94[  
;gnr\C*G  
figure(2) LH;G :  
(^9M9+L[i  
subplot(1,2,1); Qg!*=<b  
aO%FQ)BT  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) %5gJ6>@6Z  
M(uB ;Te  
legend('R_p','R_s','R_n') sD +G+  
9(WC#-,  
xlabel('\theta_i') |Ze}bM=N  
BaAb4{  
ylabel('Amplitude') 1_C6KS  
j.}V~Sp*  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Q8oo5vqQ#C  
O$/ swwB!  
axis([0 90 0 1]) f:5/y^M&  
CF"3<*%x  
grid on ooSd6;'  
AHY)#|/)  
subplot(1,2,2); 2*YXm>|1  
VH6|(=8  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) 8v 1%H8  
pH%c7X/[3L  
legend('T_p','T_s','T_n') qu+2..3  
-%l, Zd9  
xlabel('\theta_i') p9WskYpm  
`kSCH; mwP  
ylabel('Amplitude') q"<-  
J)|K/W9  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ueBoSZRWX  
x{V>(d'p  
axis([0 90 0 1]) wR4u}gb#q  
'LLx$y.Ei[  
grid on KB*=a   
L.[uMuUa  
[attachment=80481] r.^X>?  
[#'_@zZz  
[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 -hFyqIJW  
jabil 2025-03-07 09:40
Thanks
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