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 .u A O.<  
@{IX do  
1、光疏射向光密 cUug}/!I  
@>z.chM;  
clear .Yk}iHcW.  
>(2;(TbQm0  
close all CZzt=9  
'@24<T]  
n1=1,n2=1.45; :tV"uWZFU  
]4O!q}@Cd  
theta=0:0.1:90; !"hlG^*9  
"I=Lbh-`  
a=theta*pi/180; 0Y0z7A:  
_Q #[IH9  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); (Tq)!h35B  
rv{Wti[  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); |$tF{\  
9uxoMjR-  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); =>S[Dh  
l%V+] skS  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); |3k r*#  
ZW))Mx#K=T  
figure(1) ~e|E5[-i  
}G(#jOYk  
subplot(1,2,1); k Jz^\Re  
[?6+ r  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) FpB3SJ6 B  
.&u @-Vm  
legend('r_p','r_s','|r_p|','|r_s|') m!INbIh  
aAcQmq TT  
xlabel('\theta_i') &xr(Kb  
A/zAB3  
ylabel('Amplitude') hAgrs[OFj  
:"Vmy.xq  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) D{7sfkcJ  
W<#Kam:8e  
axis([0 90 -1 1]) mb'{@  
.mnkV -m  
grid on `MT.<5H  
D!,'}G #  
subplot(1,2,2); Y;\@ 5TgQ,  
u$qasII  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) S!-t{Q+j^  
mJ8EiRSE  
legend('t_p','t_s','|t_p|','|t_s|') 9AWP` ~l`  
G_WFg$7G%  
xlabel('\theta_i') 4tkb7D q  
}w=|"a|,  
ylabel('Amplitude') ]'<}kJtN.  
iQ;lvOja  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) s4Jy96<  
HH3Z?g  
axis([0 90 0 1]) iOAn/[^xk  
h5vetci/  
grid on "6~+ -_:  
F.Bij8\  
Rp=abs(rp).^2; =q[+ e(,3  
tPk> hzW  
Rs=abs(rs).^2; O*F= xG  
TPj,4&|  
Rn=(Rp+Rs)/2; Zirp_[KZ%  
D7IhNWrgj  
Tp=1-Rp; ^]/V-!j  
\+ Ese-la  
Ts=1-Rs; cI6Td*vM  
-lfbn =3  
Tn=(Tp+Ts)/2; nh+h3"-d  
A)#Fyde  
figure(2) OSJL,F,  
u3cl7~- yW  
subplot(1,2,1); ;iN [du  
ubKp P%Z  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2)  u7&5t  
P#:nXc$  
legend('R_p','R_s','R_n') nWd;XR6|  
(76tYt~I=  
xlabel('\theta_i') 5o^\jTEl^  
*mw *z|-^V  
ylabel('Amplitude') 8NWuhRRrw  
@E> rqI;`  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ^C2SLLgeJ  
M>*xbBl  
axis([0 90 0 1]) =QwT)KRB%  
WQ{^+C9g'1  
grid on msq2/sS~  
Lu71Qdu09  
subplot(1,2,2); b. :2x4  
I!Fd~g9I4  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) Gfep m$*%  
U*BI/wZ  
legend('T_p','T_s','T_n') UD&pL'{s  
0,cU^HMA  
xlabel('\theta_i') S""F58 H n  
w,1*dn  
ylabel('Amplitude') =+4om*  
y+' ,jM  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) _Q*,~ z~  
) '/xNR  
axis([0 90 0 1]) ,H/BW`rL]#  
,y)V5 c1  
grid on .07k G]  
OFZo"XtF  
[attachment=80479] DU@SXb  
%y+v0.aWH+  
[attachment=80478] =|V#~p*  
200833 2017-11-26 22:36
2、光密射向光疏 G,b*Qn5#  
k4J Tc2b  
clear h\|T(597.  
2t3)$\ylQp  
close all Dyj>dh-  
<,t6A?YoMP  
n1=1.45,n2=1; ,/eAns`ZU  
DLoH.Fd  
theta=0:0.1:90; i&L!?6 5-f  
M?qvI  
a=theta*pi/180; LKM;T-  
L}t P_ *  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); EuKkIr/(  
_"#n%@  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); :f0#4'f  
76cT}l&.h8  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); nz/cs n  
]&"01M~+K  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); >UXNR`?  
Sj<]~*y"  
figure(1) Aot9^@4])  
Pu,2a+0N  
subplot(1,2,1); cJ'OqV F  
{Ok]$0L  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) _rW75n=3b7  
ey`E E/WV  
legend('r_p','r_s','|r_p|','|r_s|') T@ zV   
a6"-,Kg  
xlabel('\theta_i') p<\7" SB=  
+EH"A  
ylabel('Amplitude') .i3_D??  
,-SWrp`f  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) sc y_  
3yLJWHO%W  
axis([0 90 -1.5 1.5]) -o@L"C>   
SL`nt  
grid on 5p~hUP]tT  
R|]n;*y  
subplot(1,2,2); se29IhS!e  
2~%^ y6lR  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) yVyh\u\  
a" L9jrVrw  
legend('t_p','t_s','|t_p|','|t_s|') uP^u:'VjbH  
[=^Wj`;  
xlabel('\theta_i') pL2{zW`FDh  
BR:Mcc  
ylabel('Amplitude') U,Fyi6{~  
=OFx4#6a  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) )D&xyC}  
6>z,7 [  
axis([0 90 -0.5 3]) ur[^/lxx0  
_[/#t|I}  
grid on %RzCJxT  
;KT5qiqYH  
Rp=abs(rp).^2; ~re~Ys  
$t0JfDd6Ky  
Rs=abs(rs).^2; k&17 (Tv$  
`7R-2 w<b?  
Rn=(Rp+Rs)/2; xcH&B %;f  
[gj>ey8T  
Tp=1-Rp; $ByP 9=|  
}ldpudU  
Ts=1-Rs; D THWL  
/ |isRh|  
Tn=(Tp+Ts)/2; M[(pLYq:  
S:1g(f*85  
figure(2) #@F.wV0  
0B: v0 R  
subplot(1,2,1); - B?c F9  
:TkMS8  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) -,2CMS#N  
z, n[}Q#u  
legend('R_p','R_s','R_n') ^,aI2vC  
)W&{OMr  
xlabel('\theta_i') "<LWz&e^^  
ri6KD  
ylabel('Amplitude') K|I<kA~!H  
*D.Ajd.G  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) a4pewg'  
M~~)tJYsu  
axis([0 90 0 1]) L$,yEMCe  
[v`kqL~  
grid on l z-I[*bA  
zE~Xx p  
subplot(1,2,2); QQv%>=_`  
Udq!YXE0  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) mi[8O$^iJ  
/Q_ Dd  
legend('T_p','T_s','T_n') -gUp/ #l1  
?:G 3U\M  
xlabel('\theta_i') $tej~xZK  
4]6-)RHFB  
ylabel('Amplitude') Je}0KW3G9L  
 {8h[Bd  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) [bRE=Zr$Ry  
?'_6M4UKa  
axis([0 90 0 1]) uqLP$At  
7*"Jx}eM  
grid on 3#Bb4\_v  
n>w<vM  
[attachment=80481] Gr#3GvL  
w 5?D]u  
[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 q\]X1N  
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