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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 #mRFUA  
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1、光疏射向光密 c.8((h/  
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clear 9o`7Kc/g  
uh5Pn#da^  
close all .A*VLF*m  
X<Th{kM2  
n1=1,n2=1.45; ckf<N9  
KZrMf77=  
theta=0:0.1:90; $W/+nmb)@K  
i[2bmd!H  
a=theta*pi/180; k'@7ZH  
0;FqX*  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); < g3du~  
-3G 4vRIo  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 5 PGlR!^  
8R\>FNk;  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); tM^;?HL]  
Hbjb7Y?[  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); =sE2}/g  
QY~<~<d+G  
figure(1) v@fe-T&0  
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subplot(1,2,1); MegE--h  
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plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) .:{h{@a  
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legend('r_p','r_s','|r_p|','|r_s|') j\`EUC  
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xlabel('\theta_i') 29Gwv  
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ylabel('Amplitude') PPoI>J  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) c=A(o  
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axis([0 90 -1 1]) >~I xyQp  
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grid on h4CTTe)  
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subplot(1,2,2); m~)Fr8Wh6  
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plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) ;wij}y-6  
E?30J3S  
legend('t_p','t_s','|t_p|','|t_s|') m:)Z6  
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xlabel('\theta_i') cGgM8  
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ylabel('Amplitude') _:35d1[  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) <y@,3DD3A9  
j5L)N  
axis([0 90 0 1]) N\9}\Rk@  
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grid on <eB<^ &nd  
Ts|--,  
Rp=abs(rp).^2; t)-*.qZh  
WnD^F>  
Rs=abs(rs).^2; ecr886  
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Rn=(Rp+Rs)/2; ^"3\iA:  
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Tp=1-Rp; Ho 3dsh)  
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Ts=1-Rs; lj .nCV_  
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Tn=(Tp+Ts)/2; Ne3R.g9;Z  
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figure(2) uxWFM $  
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subplot(1,2,1); tbtI1"$  
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plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) p6`Pp"J_tr  
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legend('R_p','R_s','R_n') {jvOHu  
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xlabel('\theta_i') *yJ[zXXjJ  
y8G&Wg aCi  
ylabel('Amplitude') z"tjDP  
Y[2Wt%2\6  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) bF*NWm$Lf  
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axis([0 90 0 1]) ,Du@2w3Cq  
{J (R  
grid on / /'Tck  
{9L5Q  
subplot(1,2,2); *myG"@P4hW  
j`O7=-  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) c! @F  
gw"~RV0  
legend('T_p','T_s','T_n') _5mc('  
eqq`TT#Z  
xlabel('\theta_i') 'l~6ErBSg  
r!7Y'|  
ylabel('Amplitude') cB#nsu>  
qz9tr  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)])  ?>af'o:  
x[QZ@rGIW  
axis([0 90 0 1]) s2FngAM;f  
6R`Oh uN.>  
grid on j Fma|y  
d6`OXTD  
[attachment=80479] {Hl[C]25X  
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200833 2017-11-26 22:36
2、光密射向光疏 BYi)j6"  
V >Hf9sZ  
clear q_ %cbAcD  
[|[>}z:  
close all RW_q~bA9  
pQMtj0(y  
n1=1.45,n2=1; vfcb:x  
Tr& }$kird  
theta=0:0.1:90; N L'R\R  
M"{uX  
a=theta*pi/180; oE?QnH3R  
Z)pz,  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ymWgf 6r<  
e}0:"R%E  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); )4R:)-"f  
vMla'5|l  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); Ue*C>F   
 )zq.4  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); K=?VDN  
Z{R[Wx  
figure(1) ]3B%8  
Vw#{C>  
subplot(1,2,1); w~Ff%p@9  
|E@djosyC  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) AW,OH SXh6  
DNkWOY#{  
legend('r_p','r_s','|r_p|','|r_s|') ?":'O#E  
U7iuY~L  
xlabel('\theta_i') ]XA4;7  
ceT&Y{T  
ylabel('Amplitude') s '?GH  
^YvB9XN  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) X"q!Y#)  
[zkikZy  
axis([0 90 -1.5 1.5]) ~D[?$`x:  
]3Dl)[R  
grid on G{9X)|d  
xSK~s  
subplot(1,2,2); 28andfl  
tMp=-"  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2)  {@Y  
AeuX Qt  
legend('t_p','t_s','|t_p|','|t_s|') WO</Mw  
bEV<iZDq%  
xlabel('\theta_i') aqU' T  
zsXoBD\h  
ylabel('Amplitude') <spZ! #o  
Yw; D:Y(  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) "xRBE\B  
F^k.is  
axis([0 90 -0.5 3]) sJ z@7.  
x]|+\1  
grid on ]aryV?!6  
o>/O++7Ra  
Rp=abs(rp).^2; }MbH3ufC  
fV:4#j  
Rs=abs(rs).^2; *Vw\'%p*  
X+k}2HvNG  
Rn=(Rp+Rs)/2; 'R<&d}@P*#  
efP&xk  
Tp=1-Rp; +;}#B~:  
fq[;%cr4  
Ts=1-Rs; SJt<+kg  
J?UQJ&!@O  
Tn=(Tp+Ts)/2; U$dh1;  
dsx]/49<  
figure(2) 6[E|  
G rmzkNlN  
subplot(1,2,1); xVL5'y1g B  
!2UOC P  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) Nc Pgq?3p  
8X|r4otn4  
legend('R_p','R_s','R_n') ^u}L;`L  
PQKaqv}N  
xlabel('\theta_i') jOpcV|2  
VQ5nq'{v  
ylabel('Amplitude') W|:lVAP.|}  
me6OPc;:!  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) UO*Ymj 1  
p[lNy{u~M  
axis([0 90 0 1]) +ISz?~8  
Io4(f  
grid on ~_IHaw$hg  
v:Tzv^  
subplot(1,2,2); e!Y0-=?nf#  
%CUGm$nH  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) zA+~7;7E  
g,o?q:FL  
legend('T_p','T_s','T_n') AcI,N~~  
/xGmg`g<#  
xlabel('\theta_i') =[\s8XH,  
m-^ 8W[r+_  
ylabel('Amplitude') K{b(J Nd  
:ISMPe3'  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) dVB~Smsr  
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axis([0 90 0 1]) x8\A<(G_M=  
-C(b,F%%  
grid on M?b6'd9f  
p~noM/*2r  
[attachment=80481] 63`{.yZ*z  
OO?]qZa1  
[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 Duc#$YfGm  
jabil 2025-03-07 09:40
Thanks
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