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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 *Nfn6lVB  
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1、光疏射向光密 00DWXGt20o  
a2:Tu  
clear 9a.r(W[9  
O_ }ZSB8"  
close all !sF! (u7  
44s K2  
n1=1,n2=1.45; ,p(4OZz5,  
TWv${m zE  
theta=0:0.1:90; m>po+7"b  
q;I`&JK  
a=theta*pi/180; 8 I'1~d%$  
ZqI.n4:9  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); G5^gwG+  
,H{ /@|RW  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); c[=%v]j:u  
doR'E=Z4h  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); Salu[)+?  
^RN1?dXA  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); vBUl6EmWu  
wp/u*g  
figure(1) C:tA|<b|  
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subplot(1,2,1); ~;ink   
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plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) WY@x2bBi  
vFfvvRda4x  
legend('r_p','r_s','|r_p|','|r_s|') dEXHd@"H  
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xlabel('\theta_i') gbc^Lb  
?FRR";  
ylabel('Amplitude') ;qI5GQ {  
'-jKv=D+  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Df_W>QC  
 FNZB M  
axis([0 90 -1 1]) uCK!lq-  
0/.#V*KM  
grid on 0XlX7Sk+  
,5\:\e0H  
subplot(1,2,2); inBd.%Yr  
b("JgE`  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) $,k SR}  
YQR*?/?a  
legend('t_p','t_s','|t_p|','|t_s|') 5iola}6  
Q, E!Ew3  
xlabel('\theta_i') =J8)Z'Jr  
A>L(#lz#ek  
ylabel('Amplitude') :,F^{  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 4Uz:zB  
f}4c#x  
axis([0 90 0 1]) ]P0DPea  
F~d !Ub$>  
grid on Ja-D}|;  
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Rp=abs(rp).^2; K/[v>(<  
Y=G *[G#  
Rs=abs(rs).^2; cFLu+4.jsG  
SX}GKu  
Rn=(Rp+Rs)/2; |xzqYu?o  
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Tp=1-Rp; 9\)NFZ3Mz  
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Ts=1-Rs; wrG*1+r  
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Tn=(Tp+Ts)/2; 9szE^kHS9  
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figure(2) z>j%-3_1  
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subplot(1,2,1); +bm2vIh$  
y<F$@  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) MbnV5b:X  
va8:QHdU  
legend('R_p','R_s','R_n') |iM*}Ix-  
-lL*WA`  
xlabel('\theta_i') +:&(Ag  
pq5)Ug  
ylabel('Amplitude') H@IX$+;z  
n E-=7S L  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) @7lZ{jV$  
*ep!gT*4  
axis([0 90 0 1]) $ O!f*lG  
&s/aJgJhp  
grid on ZJ=C[s!wu  
RAE|eTnna  
subplot(1,2,2); 6}NvVolr  
%n}.E30 4  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) `ss]\46>  
;JL@V}L,  
legend('T_p','T_s','T_n') ^DZiz[X+|  
bf;IJ|v^  
xlabel('\theta_i') ^J% w[FE  
SgXXitg9+  
ylabel('Amplitude') M~662]Ekk  
[JAd1%$3  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 6C]!>i}U  
Wq{'ZN  
axis([0 90 0 1]) McsqMI6  
]Vwky]d  
grid on /v!H{Zw=c  
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200833 2017-11-26 22:36
2、光密射向光疏 },Z -w_H  
SbI,9<  
clear Ej34^*m9k  
JR<R8+@g_  
close all Osy5|Ts  
>8AtT=}w  
n1=1.45,n2=1; *E. 2R{  
Og*1pvN<  
theta=0:0.1:90; HdnSs0 /  
}bnkTC  
a=theta*pi/180; >y8Z{ALQ5  
6nq.~f2`  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); {W4t]Ff  
7I44BC*R~  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); =:0(&NCRq  
[cW  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); $OhL 95}7  
O0{v`|w9+  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); /6.b>|zF  
G? _,(  
figure(1) rFK *  
ut,"[+ J  
subplot(1,2,1); U92hv~\  
v4.V%tg!  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) p-6.:y  
~ dk1fh  
legend('r_p','r_s','|r_p|','|r_s|') O0l;Qi  
>WEg8'#O  
xlabel('\theta_i') $ta#] >{  
ge?ymaU$a  
ylabel('Amplitude') 5(|ud)v  
ropiyT9;  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) YOoP]0'L  
X5yhS  
axis([0 90 -1.5 1.5]) [*<&]^  
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grid on {p\KB!Y-  
t8+93,*B  
subplot(1,2,2); Smu x&e  
+~v(*s C  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) a RwBxf  
Yt'o#"R)  
legend('t_p','t_s','|t_p|','|t_s|') O:x%!-w  
-XyuA:pxx  
xlabel('\theta_i') =+L>^w#6=  
srkOa d  
ylabel('Amplitude') ]mh+4k?b  
<am7t[G."  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ?n+\T'f!  
6;*(6$;  
axis([0 90 -0.5 3]) LN^8U  
E;Hjw0M'k  
grid on z~5'p(|@f  
B;Z^.3  
Rp=abs(rp).^2; u5ygbCm  
/0uinx  
Rs=abs(rs).^2; &$Lm95  
iE`aGoA  
Rn=(Rp+Rs)/2; jayoARUB  
8IH gsW";  
Tp=1-Rp; PsnU5f)`  
2cl~Va=  
Ts=1-Rs; co80M;4  
k N+(  
Tn=(Tp+Ts)/2; ;p ('cwU%  
H%N+V r3O,  
figure(2) ' ^^K#f8  
U8KY/!XZ  
subplot(1,2,1); mK-:laIL"  
IycxRig  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) U'G`Q0n  
;gnr\C*G  
legend('R_p','R_s','R_n') z-G (!]:  
S/;Y4o  
xlabel('\theta_i') gi>_>zStv  
B vc=gW  
ylabel('Amplitude') bn35f<+  
X%CPz.G  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) B;r$( 'UZ  
~2431<YV  
axis([0 90 0 1]) UGt7iT<`8  
{eEWfMKIn  
grid on AUde_ 1hi  
NN'<-0~  
subplot(1,2,2); n #I}!x>2  
 &7&*As  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) T}[vfIJD  
%U7f9  
legend('T_p','T_s','T_n') }8: -I Nj4  
y3]"H(  
xlabel('\theta_i') e~;)-Z  
<1BK 5%?  
ylabel('Amplitude') ie5ijkxZ(  
;i :wY&  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 3+5\xRq  
:q<%wLs  
axis([0 90 0 1]) `kSCH; mwP  
q"<-  
grid on J)|K/W9  
_ n4ma  
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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 bok 74U]  
jabil 2025-03-07 09:40
Thanks
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