首页 -> 登录 -> 注册 -> 回复主题 -> 发表主题
光行天下 -> MATLAB,SCILAB,Octave,Spyder -> 利用MATLAB光学仿真（1） [点此返回论坛查看本帖完整版本] [打印本页]

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 xv 9 G%  
Q4B(NYEu(  
1、光疏射向光密 6SP!J*F  
C%q]o  
clear `^'0__<M  
uXm}THI  
close all B]wfDUG  
L',7@W  
n1=1,n2=1.45; @M=\u-jJ.  
5D<"kT  
theta=0:0.1:90; "VI2--%v3  
?, oE_H  
a=theta*pi/180; <qjolMO`  
o)sX?IiC  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); VdE$ig@  
<hB~|a<#  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ]>oI3&6s  
mt]50}eK  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); $&KiN82,  
PmlQW!gfBi  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 6T-iBJT  
F ,h}HlU  
figure(1) J  7]LMw7  
3&5AbIZ  
subplot(1,2,1); Igb%bO_  
G&@vTcF  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) ^)S<Ha  
}ZkGH}K_}  
legend('r_p','r_s','|r_p|','|r_s|') @i>o+>V  
jFG Y`9Zw0  
xlabel('\theta_i') m?]= =9  
szas(7kDS  
ylabel('Amplitude') KDu~,P]  
4ad-'  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 1pZ[r M'}  
j38>5DM6L  
axis([0 90 -1 1]) u=& $Z  
?X3uPj9if  
grid on gbu@&   
Mk|*=#e;  
subplot(1,2,2); cW?~]E'<  
t[%ELHV  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) ]tc Cr;  
,N@N4<C]  
legend('t_p','t_s','|t_p|','|t_s|') &U{"dJr  
k?`Q\  
xlabel('\theta_i') jOU1F1  
d;E (^l  
ylabel('Amplitude') ;;<[_gp,E  
=`MMB|{6  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) _2rxDd1#.  
e*hCf5=-  
axis([0 90 0 1]) l4Qv$  
$X]Z-RCK3  
grid on {^6<Ohe4j  
m}GEx)Y D  
Rp=abs(rp).^2; PLs(+>H  
BTa#}LBZ+  
Rs=abs(rs).^2; -A)/CFIZ  
#b+>O+vx8  
Rn=(Rp+Rs)/2; dY'>'1>P 9  
_NB8>v  
Tp=1-Rp; oxJ#NGD  
c*Q6k<SKR  
Ts=1-Rs; &8@ a"  
.MI 5?]_  
Tn=(Tp+Ts)/2; m"tke'a  
u%rB]a$/  
figure(2) 0;:AT|U/d  
g33Y]\  
subplot(1,2,1); Qm2(Z8Gh  
xT;j_'9U;  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) _VI3b$  
06fs,!Q@  
legend('R_p','R_s','R_n') HFTDea+#  
x(bM   
xlabel('\theta_i') X2to](\% X  
*D;VZs0O  
ylabel('Amplitude') vC_O! 2E  
 cvO;xR  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) SCKpW#2dP{  
`]m/za%7  
axis([0 90 0 1]) QliP9-im3  
o!}/& '(  
grid on ]-tAgNzl%  
rK r2 K'  
subplot(1,2,2); 2~q(?wY  
hv 8j$2m  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) f f_| 3G  
\'Ewn8Qv8  
legend('T_p','T_s','T_n') &$hT27A>k  
b%M|R%)]  
xlabel('\theta_i') 8!VF b+  
}*3#*y "  
ylabel('Amplitude') ~#V1Gunq  
z{dn   
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ~AG."<}  
TCS^nBEE  
axis([0 90 0 1]) 70{fl 4J5  
E?3$ *t  
grid on {GM8}M~D&  
}Q%fY&#(bp  
[attachment=80479] <|_b:  
Ax"I$6n>  
[attachment=80478] 8et.A  
200833 2017-11-26 22:36
2、光密射向光疏 PmT,*C`/X  
,Jh('r7  
clear 6mbHfL>cO  
(VA:`pstP  
close all SK_i 3?  
)./.rtP|4  
n1=1.45,n2=1; (8/Qt\3jv  
HOY9{>E}z  
theta=0:0.1:90; =D6H?K-k!  
g&6O*vx  
a=theta*pi/180; j2"Y{6c  
yNu%D$6u7  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); \qh -fW; #  
mQ]wLPP{1  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); x#s=eeP1  
; (;J  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); J((.zLvz  
,"!P{c  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); HJ,sZ4*]]  
m+/-SG  
figure(1) 1*Ui=M4  
!^*I?9P  
subplot(1,2,1); @43o4,  
Bz#K_S  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) ,Cckp! 6  
bs_"Nn?  
legend('r_p','r_s','|r_p|','|r_s|') 2o5v{W  
h.W;Dmf6]  
xlabel('\theta_i') JV#)?/a$z  
g)Byd\DS  
ylabel('Amplitude') ,3{z_Rax-  
(SlrV8;  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) De*Z UN|<  
(mJqI)m8  
axis([0 90 -1.5 1.5]) tT;=l[7%  
Q`]E l<$  
grid on G;%Pf9 o26  
l&d 6G0  
subplot(1,2,2); >cPB:kD'  
&)p/cOiV  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) s2@}01QPo  
>Rbgg1^]5  
legend('t_p','t_s','|t_p|','|t_s|') <k^P>Irb3t  
T$'GFA  
xlabel('\theta_i') fr0iEO_  
Zbp ByRyN  
ylabel('Amplitude') 3 9Ql|l$  
MKdBqnM(F  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) [z:bnS~yiD  
Lw]:/x  
axis([0 90 -0.5 3]) QJ ueU%|  
q(Y<cJ?X  
grid on !j)H !|R  
"b!QE2bRO  
Rp=abs(rp).^2; OKp(A  
r'p;Nj.  
Rs=abs(rs).^2; WRJ+l_81  
 S< <xlW  
Rn=(Rp+Rs)/2; gnoV>ON0  
pQxaT$  
Tp=1-Rp; HB4Hz0Fa  
B(mxW8y  
Ts=1-Rs; G^F4c{3c~  
8Us5Oi  
Tn=(Tp+Ts)/2; N1KYV&'o  
cK>5!2b  
figure(2) @\_ tS H  
'!!w|k d  
subplot(1,2,1); TD-d5P^Kek  
8kih81tx"U  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) ? kew[oZ  
:rb<mg[  
legend('R_p','R_s','R_n') -uiZp !  
aI|<t^X  
xlabel('\theta_i') }(-R`.e;  
xyx.1o e!  
ylabel('Amplitude') +b] g;  
' %OQd?MhL  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) {W }.z  
x!q$`zF\\  
axis([0 90 0 1]) >#R<*?*D}  
;0}$zy1EZ  
grid on $.(>Sj1  
>.PLD} zE_  
subplot(1,2,2); g!7/iKj:  
pCA(>(  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) IR>^U  
{so"xoA^c  
legend('T_p','T_s','T_n') SPL72+S`,  
MyuFZ7Q4$  
xlabel('\theta_i') K 3?7Hndf2  
-) $$4<L  
ylabel('Amplitude') tCK%vd%  
#HB]qa  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) jh`&c{#*)M  
$dci?7q  
axis([0 90 0 1]) IQdiVj  
L1.<LB^4'  
grid on /g'F+{v  
Te2XQU2,F  
[attachment=80481] VbK| VON[  
^o|igyS9  
[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 g,7`emOX  
jabil 2025-03-07 09:40
Thanks
查看本帖完整版本: [-- 利用MATLAB光学仿真（1） --] [-- top --]

Copyright © 2005-2026 光行天下 蜀ICP备06003254号-1 网站统计