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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 ->|eMV'd  
tDAX pi(  
1、光疏射向光密 o<b  
KUW )F  
clear f$ /C.E  
$I`,nN  
close all o ^w^dgJ  
K{y`Sb~k  
n1=1,n2=1.45; ^p4`o>  
1 =?pL$+G  
theta=0:0.1:90; "=?JIQ  
rDaiA x&  
a=theta*pi/180; W*H%\Y:N  
937<:zo:  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); jhG6,;1zMI  
 t":^:i'M  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); d}E6d||A  
3Mh_ &%!O  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); D{]w +  
= r=/L  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ]I~BgE;C9  
O,@QGUoA  
figure(1) e,vgD kI;  
ke*&*mx"L  
subplot(1,2,1); 9Lt3^MKa"  
@zR_[s  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) On4Vqbks  
<y-2ovw*  
legend('r_p','r_s','|r_p|','|r_s|') cCtd\/ \  
Wbmqf s  
xlabel('\theta_i') N*w{NB7L  
4>=Y@z  
ylabel('Amplitude') n-9X<t|*?a  
}LBrk0]  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) -J!k|GK#MX  
#z}IW(u<  
axis([0 90 -1 1]) ({rescQB  
{flxZ}  
grid on ;f3))x  
>48)@sS  
subplot(1,2,2); p'SY 2xq-,  
+Y~,1ai 5^  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) 9&c *%mm  
imS&N.*3m  
legend('t_p','t_s','|t_p|','|t_s|') [0NH#88ym<  
5o~AUo{  
xlabel('\theta_i') ">I50#bT  
G_p13{"IM  
ylabel('Amplitude') ]s_BOt  
5#? HL  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) IW|1)8d  
N'5!4JUI  
axis([0 90 0 1]) 47/YD y%  
FCr>$  
grid on 9%Ftln6  
W{'tS{  
Rp=abs(rp).^2; v/Ei0}e6~  
== i?lbj  
Rs=abs(rs).^2; l3/?,xn  
/?8rj3  
Rn=(Rp+Rs)/2; ~_L_un.R  
;lb@o,R :  
Tp=1-Rp; ?< $DQ%bf  
zw X 1&rN  
Ts=1-Rs; *$ 7c||J7  
I%G6V a@  
Tn=(Tp+Ts)/2; UG9 Ha  
<N;HB&mr  
figure(2) {Uu|NA87Cd  
g TP0:  
subplot(1,2,1); RnkrI~x  
kO\aNtK  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) AUAJMS!m  
~lLIq!!\  
legend('R_p','R_s','R_n') HTCn=MZm ?  
wN!5[N"  
xlabel('\theta_i') 6ax|EMw  
9a9{OJa6M  
ylabel('Amplitude') )b AcU  
F4Gv=q)Z  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Ey;uaqt  
jz;"]k  
axis([0 90 0 1]) rt\4We,7  
',p`B-dw  
grid on A|d(5{:N  
ON=6w_  
subplot(1,2,2); VS\~t  
!N1DJd  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) 7].FdjT.  
$/Q*@4t  
legend('T_p','T_s','T_n') %<8lLRl  
3Ga! )  
xlabel('\theta_i') TM|ycS'  
%A dE5HI-  
ylabel('Amplitude') hIPU%  
i7w>Nvj]  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Z;QbqMj  
3X&}{M:Qo  
axis([0 90 0 1]) &pD6Qq{  
n15F4DnP  
grid on ZLJfSnB  
PI#xRKt  
[attachment=80479] y-93 >Y  
bi bjFg   
[attachment=80478] t .&YD x  
200833 2017-11-26 22:36
2、光密射向光疏 V\"x#uB  
Ii /#cdgF  
clear S& % G B  
DUxj^,mf,  
close all &C+pen) Z  
LuB-9[^<  
n1=1.45,n2=1; 7 p(^I*|  
mpBSd+ ;Z  
theta=0:0.1:90; <3iL5}  
V&E)4KBOs  
a=theta*pi/180; 0S0 ?\r  
%+U.zd$  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ?A /+DRQ(  
((TiBCF4  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 3eqnc),Z  
:;S]jNy}j)  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); YT6<1-E#  
pzP~,cdf  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); #N?EPV$  
@JS O=8  
figure(1) lz?F ,].  
J)iy6{0"  
subplot(1,2,1); C#`VVtei  
{1.t ZCMT  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) E-_FxBw  
b/='M`D}#G  
legend('r_p','r_s','|r_p|','|r_s|') JB~79Lsdz  
AXhV#nZt0  
xlabel('\theta_i') .V9/0  
%Uj7 g>  
ylabel('Amplitude') Y#EM]x5!=  
-(4)lw>U  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) p=vu<xXtD  
qh!2dj  
axis([0 90 -1.5 1.5]) 2XubM+6  
IP K.  
grid on c8I : jDk:  
| -l)$i@  
subplot(1,2,2); %]Gm  
."<mL}Fi(  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) vq|o}6Et  
$bRakF1'S  
legend('t_p','t_s','|t_p|','|t_s|') 5_@ u Be~  
*Y'@|xf*  
xlabel('\theta_i') I6d4<#Q@L  
#E%0 o  
ylabel('Amplitude') A` x_M!m  
fX=o,=-f  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) C~IsYdln  
Zb<IZ)i#1  
axis([0 90 -0.5 3]) C=& 7V  
E Z95)pk  
grid on j^ VAA\  
:uE:mY%R  
Rp=abs(rp).^2; &L[7jA'[J  
s*<\ mwB  
Rs=abs(rs).^2; 5|>FM&  
(he cvJ  
Rn=(Rp+Rs)/2; ;Ll/rJ:*  
Nf(Np1?;c  
Tp=1-Rp; dGf:0xE"  
#?/&H;n_8S  
Ts=1-Rs; fG2hCP+  
t .*z)N  
Tn=(Tp+Ts)/2; Ff xf!zS  
Gzxq] Mg  
figure(2) }!=}g|z#|  
rxZ%vzVQ>  
subplot(1,2,1); $\BRX\6(-  
,f ..46G  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) k*)O]M<,  
tW4|\-E"s4  
legend('R_p','R_s','R_n') "L yMw){  
}TjiYA.  
xlabel('\theta_i') 7#K%Bo2pG  
nX,2jT;@L  
ylabel('Amplitude') $89hkUuTu^  
i7g+8 zd8d  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 3n{'}SYyz  
R%)ZhG*  
axis([0 90 0 1]) X=O}k&  
 d~B ]s  
grid on ?;1^8 c0  
zrD];DP  
subplot(1,2,2); r[>4b}4s  
)NG{iD{_]  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) (#6E{@eq  
x8H%88!j*  
legend('T_p','T_s','T_n') WVaIC$Y  
Q2[@yRY/z  
xlabel('\theta_i') t[Dg)adc  
-:92<G\D  
ylabel('Amplitude') +3B^e%`NPm  
V\k?$}  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) {=]1]IWt  
8SmtEV[b3  
axis([0 90 0 1]) =/xTUI4  
P} =eR  
grid on 0@;kD]Z  
-oGJPl{r  
[attachment=80481] 2p3ep,  
Gt{'` P,&9  
[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 Nkfu k  
jabil 2025-03-07 09:40
Thanks
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