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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 @pQv}%  
$ 1H?k  
1、光疏射向光密 [T"oqO4%]  
Z%Y=Lx  
clear F) {f{-@)  
b;]'Bo0K  
close all CWE jX-  
}E]`ly<Z  
n1=1,n2=1.45; reM%GU  
|O\(<n S  
theta=0:0.1:90; &_,^OE}K_:  
-yg9ug  
a=theta*pi/180; 4S  2I]d  
.Y_RI&B!L  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); y 97QqQ^  
yZxgUF&`  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); |?s%8c'w=  
a: iIfdd4'  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); 3Aaj+=]W  
*Zt)J8C  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ]j*o&6cQf  
o80pmy7@  
figure(1) pTGq4v@6x  
j!mI9*hP  
subplot(1,2,1); < t>N(e  
hz Vpv,|G  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) 5Ag]1k{  
(z2)<_bXJ  
legend('r_p','r_s','|r_p|','|r_s|') cIl^5eE^Pq  
dT/Cn v=  
xlabel('\theta_i') }O2hhh_  
wa<@bub  
ylabel('Amplitude') @WhcY*R2  
7*'_&0   
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) gD=s~DgN)  
"uGJ\  
axis([0 90 -1 1]) TnM}|~V  
?j8CkqX!  
grid on }-zx4<4BH  
w#Nn(!VR  
subplot(1,2,2); ~rpYZLH/:0  
v&H&+:<  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) p]!,Bo ZL  
i`2Q;Az_P6  
legend('t_p','t_s','|t_p|','|t_s|') 70 HEu@-  
b ";#qVv C  
xlabel('\theta_i') umrRlF4M;  
8Y5* 1E*  
ylabel('Amplitude') (4M#(I~cE  
,"h$!k"$g  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) `~@BU  
Bq R;d  
axis([0 90 0 1]) !G\1$"T$  
r}f -.Fo  
grid on J4`08,  
>/e#Z h  
Rp=abs(rp).^2; 2Q9s?C   
EHzU`('?[  
Rs=abs(rs).^2; E'MMhl o  
H@G7oK  
Rn=(Rp+Rs)/2; $|(roC(  
.]r[0U  
Tp=1-Rp; ^o,@9GT s  
C,tlp  
Ts=1-Rs; cB -XmX/  
Qx.E+n\  
Tn=(Tp+Ts)/2; #\`6ZHW  
Yv"uIj+']  
figure(2) +"' h?7'C  
<LBMth  
subplot(1,2,1); '?3Hy|}  
/&kZ)XOi  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) ).v;~yE   
4`Fbl]Q   
legend('R_p','R_s','R_n') j:<E=[Kl  
F>^k<E?,C  
xlabel('\theta_i') *:YW@Gbm  
K<s\:$VVh  
ylabel('Amplitude') 5n(p 1OM2q  
r\Man'h$  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) >{m>&u;Cc  
`uzRHbJ`  
axis([0 90 0 1]) R?l>Vr  
G4g },p!  
grid on 6 _73  
E(u[?  
subplot(1,2,2); nH[@EL  
YjHGdacs  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) .Ta$@sPh}  
jRgv 8n  
legend('T_p','T_s','T_n') |$1j;#h  
P_b00",S  
xlabel('\theta_i') {`J7>K  
bz}T}nj  
ylabel('Amplitude') T \0e8"iZ  
4<lZ;M"  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) =3 -G  
A`OU} 'v?L  
axis([0 90 0 1]) 4[Oy3.-c  
B'~.>, fg  
grid on N|7._AR2  
hTg%T#m  
[attachment=80479] c&'T By  
.5ingB3%  
[attachment=80478] qPzgGbmD9  
200833 2017-11-26 22:36
2、光密射向光疏 66z1_ lA  
T[<9Ty'^  
clear t%8*$"~X  
yq;gBIiZ  
close all ZYL]|/"J9  
YpNTq_S1,  
n1=1.45,n2=1; m _:ib}  
W6wgX0H  
theta=0:0.1:90; @$~%C) %u  
F;MFw2G  
a=theta*pi/180; >nTGvLOq  
?rr%uXQjH  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); *!.'1J:YJ(  
Pb[wysy  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); nwV\ [E  
N^`F_R1Z  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); L4Kkbt<x  
>i`'e~%  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); A:;KU  
%} \@Wk~  
figure(1) T.&^1qWWA  
v}[7)oj|  
subplot(1,2,1); f+gyJ#R`  
>B~p[wh0  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) U24?+/5D]  
PW.W.<CL  
legend('r_p','r_s','|r_p|','|r_s|') r%TgZ5~u  
BBy/b c!  
xlabel('\theta_i') V-I_SvWv\  
r$.ek\D5  
ylabel('Amplitude') oOJN?97!k  
SD JAk&Z}R  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) BU])@~$  
{mueP6Gz@J  
axis([0 90 -1.5 1.5]) t;E-9`N  
Pm;"Y!S<  
grid on =">O;L.xj  
@gs Kb* ,  
subplot(1,2,2); zf2]|]*xz  
(MbI8B>  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) <PJwBA%{  
&a-:ZA@  
legend('t_p','t_s','|t_p|','|t_s|') Y_f6y 9?ZE  
1 3  
xlabel('\theta_i') A!@D }n  
=;c? 6{<1  
ylabel('Amplitude') }4ta#T Ea  
{$Fg+~   
title(['n_1=',num2str(n1),',n_2=',num2str(n2)])  aA0aW=R  
_RjM .  
axis([0 90 -0.5 3]) K3 "co1]u  
cH"M8gP#  
grid on 2<Ub[R  
uKtrG,/ p  
Rp=abs(rp).^2; .F}ZP0THnZ  
]y!|x_5c3  
Rs=abs(rs).^2; j1<@ *W&b  
.$S`J2Y  
Rn=(Rp+Rs)/2; ^=Up U B  
hC5ivJ  
Tp=1-Rp; {f)",#  
DA[-( s  
Ts=1-Rs; hwkol W  
sa*]q~ a  
Tn=(Tp+Ts)/2; %,>> <8  
CWt,cwFW  
figure(2) bxEb2D  
Px'%5TKN  
subplot(1,2,1); g8}/Ln*W'  
~])\xC  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) Jp_{PR:&  
_<kE32Bb  
legend('R_p','R_s','R_n') jw#'f%*  
AUxLch+"5K  
xlabel('\theta_i') Alh%Z\  
w.J2pvyB  
ylabel('Amplitude') ?$F:S%eH  
S1%{/w  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) I=Ws /+  
-4Y}Y5 9\  
axis([0 90 0 1]) \w O)w@"  
)N`ia%p_]  
grid on -Qqb/y  
#.a4}ya19  
subplot(1,2,2); 3"!2C,3c#  
tSE6m-  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) \L6U}ZQ2V  
%^gT.DsX-  
legend('T_p','T_s','T_n') E{ Y0TZ+  
$fuFx8`2W  
xlabel('\theta_i') |5$9l#e  
`Z]a6@w~  
ylabel('Amplitude') K'N\"Y?>  
k`2 K?9\  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) BeaX 0#\  
Mz+|~'R  
axis([0 90 0 1]) BalOph4M[  
Rm)vY}v  
grid on hG&RGN_<6+  
m-> chOu~|  
[attachment=80481] F)5QpDmqb  
bo\|mvB~  
[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 pb_mW;JVu  
jabil 2025-03-07 09:40
Thanks
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