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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 QFS5PZ  
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1、光疏射向光密 ?=\&O=_ln  
2l#c?]TA  
clear Cj6+zJ  
3w -0IP]<  
close all l#;DO9  
}KZt7)  
n1=1,n2=1.45; ,4&?`Q  
v==b. 2=  
theta=0:0.1:90; !8 V  
h/a|-V}m&  
a=theta*pi/180; --}5%6  
s.p4+K J  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); +=Q/'g   
O ^+H:Y|  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 1"4Pan  
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tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ipThw p9  
E9"P~ nz  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); Q*J8`J:#^R  
;`f14Fb  
figure(1) e2 X\ll  
nbECEQ:|B  
subplot(1,2,1); OrJuE[R.  
@*VfG CQ(  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) yDil  
~7$4w# of0  
legend('r_p','r_s','|r_p|','|r_s|') ip`oL_c  
9 Y-y?Y  
xlabel('\theta_i') BsJ d*-:X  
.a0]1IkatV  
ylabel('Amplitude') Fzc8)*w  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 1ab_^P  
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axis([0 90 -1 1]) , Y\`n7Ww  
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grid on a At<36{?  
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subplot(1,2,2); iiw\  
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plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) 0,z3A>C  
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legend('t_p','t_s','|t_p|','|t_s|') Biva{'[m  
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xlabel('\theta_i') <Pm!#)-g9  
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ylabel('Amplitude') R_7[7 /a  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) RnaxRnXVR  
F+m%PVW:  
axis([0 90 0 1]) j TyR+#Wn  
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grid on p|gzU$FWbk  
Xv&&U@7  
Rp=abs(rp).^2; ^vHh*Ub  
T) Zef  
Rs=abs(rs).^2; u{'|/g&  
3 i;sB  
Rn=(Rp+Rs)/2; $1E'0M`  
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Tp=1-Rp; ..K@'*u  
zJ $&`=  
Ts=1-Rs; 4x)etH^o  
vH?rln  
Tn=(Tp+Ts)/2; }mYxI^n  
F<+!28&h  
figure(2) ]J(BaX4  
4F`&W*x  
subplot(1,2,1); 0Xw$l3@N^  
?]AF? 0/  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) EEn8]qJC  
 ;H4s[#K  
legend('R_p','R_s','R_n') $ o }  
chE}TK  
xlabel('\theta_i') H,3WdSL`K  
,6 IKkyD  
ylabel('Amplitude') \:m1{+l  
{6tj$&\)  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ogvB{R  
qI%X/'  
axis([0 90 0 1]) A`:a T{j  
I !J'  
grid on KSAE!+  
S aH':UN  
subplot(1,2,2); W8_$]}G8E  
4o<rj4G>  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) @g5qcjD'[  
.nzN5FB U  
legend('T_p','T_s','T_n') %#<MCiaK  
$3 =S\jyfK  
xlabel('\theta_i') TYKs2+S6  
o* ~aB_  
ylabel('Amplitude') N XCvS0/h  
3oOr*N3R  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) lv>^P>S(O  
Lb,wn{  
axis([0 90 0 1]) f.Y [2b  
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grid on 2}n7f7[/b  
P?ms^   
[attachment=80479] Rc vp@  
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[attachment=80478] IG Ax+3V  
200833 2017-11-26 22:36
2、光密射向光疏 s1]m^,  
,M9e *  
clear :,ucJ|  
suS[P?4  
close all M@z_tR'3\  
j5[Y0)pV\  
n1=1.45,n2=1; O 6ph_$nt.  
GC~nr-O  
theta=0:0.1:90; edo+ o{^  
aaP6zJXi  
a=theta*pi/180; xnf J ruT  
H:)_;k  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); as(/ >p  
y 2)W"PuG  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); Z9.0#Jnu  
S=gb y  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); &1Cs'  
84!Hd.H  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); @qpj0i+>*  
 fDloL  
figure(1) \,fa"^8  
7 =D,D+f  
subplot(1,2,1); j9rxu$N+  
*4e?y  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) 5DDSo0E  
kno[!A7_6  
legend('r_p','r_s','|r_p|','|r_s|') ,kf.'N  
ZS%W/.?  
xlabel('\theta_i') @mJ~?d95v  
3FtL<7B '.  
ylabel('Amplitude') t.dr<  
'$c9S[  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ! Sw=ns7  
M!kSt1  
axis([0 90 -1.5 1.5]) DJ DQH\&  
tXqX[Td`0g  
grid on m8;w7S7,j~  
LP=y$B  
subplot(1,2,2); *`rfD*  
c6lCF &  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) aU~?&]  
5|=J\Lp2I  
legend('t_p','t_s','|t_p|','|t_s|') @gfW*PNjlP  
d!UxFY@  
xlabel('\theta_i') -|Zzs4bx  
lm 96:S  
ylabel('Amplitude') %S"85#R5E  
,<* I5:  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) YrJUs]A  
3LT~- SvL  
axis([0 90 -0.5 3]) cFt&Efj  
hHhDs>tB  
grid on pY@QR?F\  
?].MnwYo  
Rp=abs(rp).^2; A[8m3L#k  
& W od  
Rs=abs(rs).^2; D*Zj oU  
bY2R/FNL=  
Rn=(Rp+Rs)/2; }%8ZN :  
GdcXU:J /  
Tp=1-Rp; q~b# ml2QS  
&hO-6(^I  
Ts=1-Rs; DtFHh/X  
#|ts1lD#ah  
Tn=(Tp+Ts)/2; aZ4?! JW.  
= V2Rq(jH  
figure(2) K<wFr-z  
mmbe.$73  
subplot(1,2,1); ~t~[@2?WG  
C@6:uiT$  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) @b,H'WvhfS  
N.vWZ7l8  
legend('R_p','R_s','R_n') J?w_DQa  
Ig t*8px  
xlabel('\theta_i') s`_EkFw>Gl  
Q $}#&  
ylabel('Amplitude') aWIkp5BFj  
.s9E +1  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) @T~XwJ~  
V!+iq*Z|=  
axis([0 90 0 1]) wKLYyetM!  
j*<J&/luYZ  
grid on hHN[K  
pE&G]ZC  
subplot(1,2,2); \Q|-Npw  
3e&+[j  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) ?"mZb#%  
J)>DsQ+Cj  
legend('T_p','T_s','T_n') B=TUZ)  
KU,SAcfR7  
xlabel('\theta_i') a]u.Uqyx2w  
B18BwY  
ylabel('Amplitude') SG)Fk *1  
P}}G9^  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 7P+1W \  
S-S%IdL  
axis([0 90 0 1]) Eo6N'h>h  
iz#R)EB/g  
grid on q*UHzE:LI  
%xlpOR4  
[attachment=80481] X$>F78e*  
Gk*u^J(  
[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 1CB&z@  
jabil 2025-03-07 09:40
Thanks
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