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 h^>kjMM  
scqG$~O)  
1、光疏射向光密 a-Cp"pKlVY  
.,,?[TI  
clear ;0xCrE{l"  
&tD`~  
close all 5DyN=[b  
ER5Q` H  
n1=1,n2=1.45; D{.%Dr?  
KN~E9oGs  
theta=0:0.1:90; D5T\X-+]O  
2{p`"xX  
a=theta*pi/180; GQ|kcY=  
:M|c,SQK  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); 8t}=?:B+{  
R_vZh|  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); '[Oi_gE.  
Z6>:k,-Ot  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); =oT@h 9VI  
4PD"[a="  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); +@%9pbM"z  
qR]4m]o  
figure(1) 8<!qT1  
_gC<%6#V`r  
subplot(1,2,1); 83i%3[L  
h,140pW  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) tt J,rM  
_5U Fml9  
legend('r_p','r_s','|r_p|','|r_s|') m1F<L  
Oku4EJFJ  
xlabel('\theta_i') $o]zNW;X  
FN,0&D}`  
ylabel('Amplitude') 1uV_C[:  
;\<?LTp/r  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) (= !_ 5l  
?783LBe  
axis([0 90 -1 1]) j&T/.]dX&  
3<mv9U(  
grid on @%\ANM$S  
RX2= iO"  
subplot(1,2,2); 'hya#rC&(  
%m+MEh"b5  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) p+8]H %  
(sqS(xIY  
legend('t_p','t_s','|t_p|','|t_s|') /WHhwMc!  
=l7LEkR  
xlabel('\theta_i') @bqCs^U35  
G=nFs)z  
ylabel('Amplitude') !%s7I ^f*  
29qQ3M?  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) qsk71L  
IB!Wrnj?  
axis([0 90 0 1]) 4uftx1o   
t91CxZQ^s  
grid on `=KrV#/758  
oC7#6W:@w  
Rp=abs(rp).^2; b%PVF&C9W  
wd#AA#J;*  
Rs=abs(rs).^2; <}mT[;:"  
q!ZmF1sU  
Rn=(Rp+Rs)/2; zf o.S[R@  
\clWrK  
Tp=1-Rp; +z[!]^H]4  
GzB%vsv9 5  
Ts=1-Rs; 6op\g].P  
$`=?Nb@@#  
Tn=(Tp+Ts)/2; &9ZIf#R  
 +;!w;t  
figure(2) .86..1  
d.} rn"(z  
subplot(1,2,1); RsOK5XnQn  
wlpbfO e/  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) a<o0B{7{BM  
@<6-uk3S  
legend('R_p','R_s','R_n') u?J(l)gd  
Wey\GQ`"8  
xlabel('\theta_i') A!Yqj~  
3+$O#>  
ylabel('Amplitude') z::2O/ho  
4dok/ +Ec  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) mY AFruN  
6h,'#|:d  
axis([0 90 0 1]) NkJ^ecn%)  
'9[_ w$~(  
grid on p{,fWk  
0jzA\$oD  
subplot(1,2,2); e=R} 4`  
mzw*6e2T  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) .iS]aJJ  
<'B^z0I,  
legend('T_p','T_s','T_n') 1k~jVC2VA  
<|_Ey)1 6  
xlabel('\theta_i') bc"N  
;8v5 qz  
ylabel('Amplitude') "D/ fB%h`  
fE:2MW!)*  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) x('yBf  
(j /O=$mJ  
axis([0 90 0 1]) Fi`:G}   
eo80L  
grid on W9D)QIqbvW  
51,m^veO  
[attachment=80479] Sce9R?II  
gf=*m"5  
[attachment=80478] h`Mf;'P  
200833 2017-11-26 22:36
2、光密射向光疏 A^7!+1*K+  
1%+^SR72  
clear DIRCP=5  
!v`=EF.  
close all 3YRzBf:h  
U_~~PCi  
n1=1.45,n2=1; )/JC.d#  
;1 fML,8  
theta=0:0.1:90; )'g vaT  
%'HUC>ChN  
a=theta*pi/180; 3:( `#YY  
6>Cubb>  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); }VGiT~2$  
]VME`]t`  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); m+=!Z|K  
D4|_?O3 |m  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); 'zb7:[[7%  
4l*&3Ar  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 7,zARWB!?  
5ZVTI,4K  
figure(1) 1rEP)66N  
{V8Pn2mlo  
subplot(1,2,1); ?2TH("hV$  
bq O"k t  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) SD&[K 8-i2  
[oj"Tn(  
legend('r_p','r_s','|r_p|','|r_s|') f+V':qz  
:9b RuUm  
xlabel('\theta_i') =-qsz^^a-  
LDsYr]  
ylabel('Amplitude') :dzU]pk%0  
J (h>  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) KB = z{g  
q*O KA5  
axis([0 90 -1.5 1.5]) 5o/rV.I  
Pa}vmn1$  
grid on 4_<Uk  
Eg*3**gTO  
subplot(1,2,2); o[#a}5Y  
o__q)"^~-  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) umzYJ>2t  
B/OO$=>(  
legend('t_p','t_s','|t_p|','|t_s|') ja/[PHq"  
T8-$[ 2  
xlabel('\theta_i') ~<aB-. d  
nQ\k{%Q  
ylabel('Amplitude') dK: "  
>Il`AR;D  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) cy4'q ?r  
dI-5%Um  
axis([0 90 -0.5 3]) QGd- 9UEA]  
TeJ `sJ  
grid on WFP\;(YV  
lG9ARRy(=  
Rp=abs(rp).^2; )*ckJK  
D OeKW  
Rs=abs(rs).^2; >U?Bka!  
W1 Qc1T8  
Rn=(Rp+Rs)/2; F/sBr7I  
Gq/6{eRo\  
Tp=1-Rp; T;@>O^  
Wi^rnr'S s  
Ts=1-Rs; s~ A8/YoU}  
|@.<} /  
Tn=(Tp+Ts)/2; dn_OfK  
31& .Lnq  
figure(2) VU9P\|c@<  
s2~dmZ_B|_  
subplot(1,2,1); )1Nnn  
cg0 0t+  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) p^P y,  
E]U0CwFtr  
legend('R_p','R_s','R_n') PU5mz.&0'  
CDj Dhs  
xlabel('\theta_i') fhKiG%i'l  
+ f!,K  
ylabel('Amplitude') Y,btL'[W  
{yMA7W7]  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) dM{~Ubb  
;bZ*6-\!-  
axis([0 90 0 1]) }Y`<(V5:  
2F @)nh  
grid on *Ne&SXg  
u3mT l  
subplot(1,2,2); siYRRr  
h6y4Ii  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) _`i%9Ad.4  
Fx5d@WNa>  
legend('T_p','T_s','T_n') Cfo 8gX*  
aGb. Lh9  
xlabel('\theta_i') Tw;qY  
3DC%I79  
ylabel('Amplitude') VHr7GAmU  
9zYiG3 d  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) QhQ"OVFr#  
9+ l3 $  
axis([0 90 0 1]) heZy 66  
nDB 2>J  
grid on o Xi}@  
U!?gdX  
[attachment=80481] dyiEK)$h  
s%[GQQ-N  
[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 Ni!;-,H+E  
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 © 2005-2025 光行天下 蜀ICP备06003254号-1 网站统计