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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 Un^3%=;  
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1、光疏射向光密 CA]u3bf~  
u=f}t=3  
clear n?}7vz;  
G' 0JK+=o  
close all eiJ~1H X)  
m ^ '!  
n1=1,n2=1.45; g\Akf  
I'e`?H t  
theta=0:0.1:90; ,}a'h4C  
gH:+$FA  
a=theta*pi/180;  kAnK1W>  
B'8T+qvA  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); e=sV>z>  
v]c+|nRs  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ?G<.W[3  
+V9<ug6 T  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); :)DvZxHE@  
5\.w\  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); /y[zOT6  
=cWg 39$(I  
figure(1) xM2UwTpW  
k<QZ_*x}G  
subplot(1,2,1); -h%1rw  
MwTouEGGgA  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) g[ O6WZ!F_  
; fxrOfb  
legend('r_p','r_s','|r_p|','|r_s|') DsCbMs=Y  
C8AR ^F W  
xlabel('\theta_i') 80"oT'ZFh  
bEB9J- Q  
ylabel('Amplitude') RW|Xh8.O  
;uN&yj<}a  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ]/{iIS_  
K:54`UJ  
axis([0 90 -1 1]) J!d=aGY0-  
|u_fVQj  
grid on EnP>  
f[Xsri  
subplot(1,2,2); K8{ef  
9=.7[-6i9  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) =?[:Nj636  
>oL| nwn  
legend('t_p','t_s','|t_p|','|t_s|') oq[r+E-]$@  
VYnB&3 %DF  
xlabel('\theta_i') vf?Xt  
N fND@m{/  
ylabel('Amplitude') q+{yv  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Mw|lEctN0  
6 jU ?~  
axis([0 90 0 1]) j9f[){m`  
g5lK&-yu]  
grid on ?D['>Rzu  
hq?F8 1  
Rp=abs(rp).^2; {=6CL'_  
FZtT2Z4&i  
Rs=abs(rs).^2; @`XbM7D 5  
5#mHWBGd7  
Rn=(Rp+Rs)/2; OlX#1W]  
~T!D:2G  
Tp=1-Rp; ;jh.\a_\  
G6pR?K+  
Ts=1-Rs; ufo\p=pGG  
\d-9Ndp nf  
Tn=(Tp+Ts)/2; J~)JsAXAI  
j+[oZfH  
figure(2) &(h@]F!  
xtK}XEhG!  
subplot(1,2,1); {Zo*FZcaX  
%lGT |XrY  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) L'O=;C"f  
MUUhg  
legend('R_p','R_s','R_n') A`1-c   
;i!$rL  
xlabel('\theta_i') y=zs6HaS  
+>Pq]{Uf1j  
ylabel('Amplitude') _mTNK^gB  
7>f)pfLM  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) #g~]2x  
JPpNCC.b  
axis([0 90 0 1]) /4$ c-k  
et<@3wyd]  
grid on \6!s";=hQ  
~?B\+6<V  
subplot(1,2,2); oI"gQFGu`u  
5")BCA  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) wsgT`M'J[  
Up*6K=Tny  
legend('T_p','T_s','T_n') dTqL[?wH?  
O@>{%u  
xlabel('\theta_i') c3*9{Il^  
-Fc 9mv(H  
ylabel('Amplitude') R)Dh;XA  
F6" QsFG  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) JqtOoR  
EUS^Gtc  
axis([0 90 0 1]) mxICQ>s b  
~zDFL15w  
grid on u?KG%  
Vk%W4P"l  
[attachment=80479] j6Au<P  
J7k=5Fqej;  
[attachment=80478] eNrwkV^  
200833 2017-11-26 22:36
2、光密射向光疏 4g?qKoc i  
yn04[PN2  
clear =6B I[_0  
d4o_/[  
close all e)oi3d.wJf  
JB HnJm  
n1=1.45,n2=1; [yVcH3GcjI  
.&/A!3pW  
theta=0:0.1:90; u HXb=U  
Co`:D  
a=theta*pi/180; H}lbF0`  
sVP2$?  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); #J%Fi).^)  
o+?Ko=vYw  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ,62BZyT,T,  
h|ja67VG  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); !&o>zU.  
N}q*(r!q<  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); hYh~[Kr^@^  
)`zfDio-1V  
figure(1) sJ|IW0Mr  
2hT H  
subplot(1,2,1); "H}ae7@  
#b{;)C fL  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) 6/Z 8/PL  
y |Tv;v1L  
legend('r_p','r_s','|r_p|','|r_s|') ;T WYO  
=4 W jb  
xlabel('\theta_i') rE\.[mFI  
@m"P_1`*  
ylabel('Amplitude') .,SWa;[iB  
LU@+O12  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) m`/!7wQs  
)> a^%V9  
axis([0 90 -1.5 1.5]) sg,9{R ^  
9_pOV%Qs  
grid on 6Q9S~YYq  
ZAMS;e+e  
subplot(1,2,2); ~kPZh1n`  
Y--Uo|H  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) vjD||!g'  
r$-]NYPi  
legend('t_p','t_s','|t_p|','|t_s|') c(0Ez@  
wGnFDkCNz  
xlabel('\theta_i') "_e /O&-cH  
z=VL|Du1OT  
ylabel('Amplitude') !,>9?(  
<US!XMrCg  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ;]SP~kG  
W>`#`u  
axis([0 90 -0.5 3]) `oo(\O7t=  
=k22f`8ew  
grid on I;Bcim;  
XRR`GBI  
Rp=abs(rp).^2; < 5#}EiT5  
D[}qhDlX  
Rs=abs(rs).^2; `?:X-dh_  
/|{~GD +A&  
Rn=(Rp+Rs)/2; BA|*V[HBE  
"WHt9 yZ  
Tp=1-Rp; Md,KW#  
3L(vZ2&  
Ts=1-Rs; XvspE}~y  
fQOh%i9n5  
Tn=(Tp+Ts)/2; -dsE9)&8DX  
ZtqN8$[6n  
figure(2) >pn5nn1a  
6)~J5Fb  
subplot(1,2,1); 9q !./)  
h ?%]uFJC  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) . 'rC'FT  
96 !e:TU  
legend('R_p','R_s','R_n') 3F6=/  
A&6qt  
xlabel('\theta_i') Vtr5<:eEx  
}H<87zH  
ylabel('Amplitude') \@HsMV2+zN  
5Mq7l$]h$  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) #q%V|Ajq  
42mZ.,<  
axis([0 90 0 1]) 1 ojy_  
N61\]BN<  
grid on 1ti4 ZM  
VaRP+J}UA.  
subplot(1,2,2); ESAFsJ$r;  
9n#Em  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) jVtRn.qh  
I,xV&j+<  
legend('T_p','T_s','T_n') m@){@i2.  
!3'&_vmG$  
xlabel('\theta_i') +kK6G#c  
%VD>S  
ylabel('Amplitude') 0'9z XJ"  
;,yjkD[mWE  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) L'?0*t  
q|+`ihut  
axis([0 90 0 1]) &_N$S2  
ZNEWUt{+;^  
grid on u`2[V4=L  
.\X;VWTI  
[attachment=80481] fmhqm"  
PV_q=70%T  
[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 QD6in>+B@  
jabil 2025-03-07 09:40
Thanks
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