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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 mb\"qD5  
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1、光疏射向光密 {P {h|+;  
TSKT6_IJw  
clear $-i(xnU/nl  
%&iodo,EP'  
close all saa3BuV 6  
jk\z-hd  
n1=1,n2=1.45; ` n#Db  
"@^^niSFl  
theta=0:0.1:90; I/B*iW^  
cM_!_8o  
a=theta*pi/180; #3knKBH  
2MU$OI0|  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); jct|}U  
?/}N  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); }vX iqT  
H~NK:qRzK  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); @ogj -ol&  
mHyT1e  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); e>T;'7HSS"  
<kCOg8<y :  
figure(1) A\w"!tNM|  
k>)Uyw$!  
subplot(1,2,1); yz<$?Gblz  
/O}lSXo6E  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) C=Tq/L w  
";U#aK1p  
legend('r_p','r_s','|r_p|','|r_s|') 5Q/jI$^h0Z  
Ya `$.D  
xlabel('\theta_i') lyD=n  
_iF*BnmN  
ylabel('Amplitude') ~s{ V!)0  
2Krh&  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) xj[v$HP  
LzQOzl@z  
axis([0 90 -1 1]) UOpSH{N  
,m Nd#  
grid on JT! Cb$!  
I {%Y0S  
subplot(1,2,2); 6DG%pF,  
A<y]D.Z"  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) ,4j^ lgJ  
/ K(l[M  
legend('t_p','t_s','|t_p|','|t_s|') MCAWn H  
USg,=YM  
xlabel('\theta_i') &`IJ55Z-)  
&u!MI  
ylabel('Amplitude') #p<(2wN  
xpJ=yxO  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) V-(*{/^"  
R; ui 4wg6  
axis([0 90 0 1]) '=`af>Nc  
%O$=%"D6  
grid on :*ZijN*{)$  
P(.XB`  
Rp=abs(rp).^2; h0 Xc=nj  
Q?bCQZ{-Lh  
Rs=abs(rs).^2; lA` qB1x  
?_B'#,tI  
Rn=(Rp+Rs)/2; mT/^F{c  
o)GesgxFa5  
Tp=1-Rp; C/4r3A/u  
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Ts=1-Rs; &Oc `|r*  
z(u,$vZ _  
Tn=(Tp+Ts)/2; qu\U^F  
q"5\bh1"  
figure(2) Z*b$&nM  
&;bey4_J  
subplot(1,2,1); ;9Qxq]  
!>N+a3   
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) ;Y,zlq2  
::_bEmk  
legend('R_p','R_s','R_n') 5IA3\G}+  
1gnLKfc  
xlabel('\theta_i') kRr/x-"  
=te4p@  
ylabel('Amplitude') OnH3Ss$  
&7,:: $cu  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) *&tTiv{^  
3mHP=)  
axis([0 90 0 1]) DS9-i2  
 6HPuCP  
grid on GO.7IL{ {  
oJ tmd}  
subplot(1,2,2); :*/g~y(fE  
9f/l"  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) 3kT?Y7<fv  
]a`"O  
legend('T_p','T_s','T_n') LqXVi80  
iUFG!,+d  
xlabel('\theta_i') Fn0 |v66  
\mTi@T!&  
ylabel('Amplitude') N{}8Zh4op  
4 aE{}jp1  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) W56VA>ia  
4\ |/S@.  
axis([0 90 0 1]) .<E7Ey#  
E,dUO;  
grid on t>OEzUd9  
{>PEl; ,-  
[attachment=80479] N ]14~r=  
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[attachment=80478] R )4,f~@"  
200833 2017-11-26 22:36
2、光密射向光疏 ^(Z%,j3O  
mfF `K2R  
clear .beqfcj"  
8GRB6-.h  
close all h6IO;:P)  
u\M xQIo'u  
n1=1.45,n2=1; HO_(it \  
{2QP6XsJ  
theta=0:0.1:90; V2xvuDHI  
@4Zkkjc4b  
a=theta*pi/180; _mk@1ft  
>y,. `ECn  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); hrO9_B|#  
p] N/]2rR  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 4"3.7.<Q`  
'/9q7?[E!  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); KX3A|  
MslgQmlM  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); rC]k'p2x  
>)u{%@Rcy{  
figure(1) $pKegK;'z  
-/0aGqY  
subplot(1,2,1); fP6.  
|H]0pbC)w  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) \{!,a  
z;?j+ZsdH  
legend('r_p','r_s','|r_p|','|r_s|') [clwmx  
G,c2?^#n  
xlabel('\theta_i') 49<t2^1q  
: 2$*'{mM  
ylabel('Amplitude') /u_9uJ"-K(  
4*9t:D|}  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) =F Y2O`%a  
B[6k [Vs  
axis([0 90 -1.5 1.5]) #D%6b  
U* c'xoP  
grid on Wv9L }@J  
.p*?g;  
subplot(1,2,2); [)dIt@Y&j  
Lz p}<B  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) qX; F+~  
_ WPt zL  
legend('t_p','t_s','|t_p|','|t_s|') v`jHd*&6)  
$o;c:Kh$$  
xlabel('\theta_i') g oyQ',+  
lhnGk'@d  
ylabel('Amplitude') zUNUH^Il  
#B6f{D[pI  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) u??ti OK{  
~(yW#'G  
axis([0 90 -0.5 3]) 6O.kKhk  
q,%Fvcmx+e  
grid on ;Zj(**#H  
>Yk|(!v  
Rp=abs(rp).^2; L;y BZLM  
_Y/*e<bU  
Rs=abs(rs).^2; 2K o]Q_,~  
6Z' K1  
Rn=(Rp+Rs)/2; ~K;hXf  
L<3+D  
Tp=1-Rp; ~:U`^wtQ  
CY{!BV'  
Ts=1-Rs; \=[j9'N>  
Xdl dUK[  
Tn=(Tp+Ts)/2; z$}9f*W}B  
'6e4rn{  
figure(2) %.]#3tW  
tPN CdA  
subplot(1,2,1); u*W! !(P/  
,EVPnH[F~  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) 5 r_Z3/%  
}{=}^c"t'  
legend('R_p','R_s','R_n') 0s H~yvM5  
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xlabel('\theta_i') )ZBNw{nh  
:) -`  
ylabel('Amplitude') K|$ c#X  
OI"g-+~  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) G!=(^G@J;  
 ;Ss!OFK  
axis([0 90 0 1]) QRrAyRf[  
^Go,HiB  
grid on @9n|5.i  
T0"nzukd  
subplot(1,2,2); v_pe=LC{-e  
O"EL3$9V  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) }$L1A   
!L q'o ?  
legend('T_p','T_s','T_n') IGVq`Mxj  
MMC$c=4"  
xlabel('\theta_i') Lk@+iHf  
:t9![y[=|  
ylabel('Amplitude') `w`N5 !  
+!px+*)bW  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) TOKt{`2}  
U<=d@knH  
axis([0 90 0 1]) X=Ar"Dx}}s  
DNqV]N_W  
grid on Q&w_kz.  
DEhR\Z!  
[attachment=80481] XOQ0(e6  
77sG;8HE  
[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 WjR2:kT  
jabil 2025-03-07 09:40
Thanks
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