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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 yH<^txNF  
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1、光疏射向光密 )_bR"!Z  
i_? S#L]h  
clear 6%K,3R-d  
kT!Y~c  
close all \` |*i$  
%CxrXU  
n1=1,n2=1.45; DL^}?Ve  
L y!!+UM\  
theta=0:0.1:90; KT)A{i  
H$ !78/f  
a=theta*pi/180; ;+dB-g[  
f$lf(brQ:  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); USKa6<:{W  
^cE|o&Rm;  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 2Mc}>UI?eO  
5z8!Nmb/  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); L{hP&8$k  
"g)@jqq:>  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); +%$'( t s  
?#8s=t  
figure(1) YGBVGpE9  
D (MolsKc?  
subplot(1,2,1); :EISms  
Zhl}X!:c?\  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) ?jywW$   
7/ "g} F}Q  
legend('r_p','r_s','|r_p|','|r_s|') ,cR=W|6cQm  
MCOz-8@|Y  
xlabel('\theta_i') ZiBTe,;  
fIo7R-XP  
ylabel('Amplitude') Z7<N<  
y/>]6Pj  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) !5rja-h  
$Ik\^:-  
axis([0 90 -1 1]) 6.z8!4fpl  
wG1A]OJl1  
grid on o(,u"c/Or  
/dU-$}>ZI  
subplot(1,2,2); dMAd-q5{  
QRs!B!Fn0  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) C:77~f-+rQ  
\vBpH'hR,'  
legend('t_p','t_s','|t_p|','|t_s|') $z-zscco  
(UDR=7w)  
xlabel('\theta_i') =='~g~  
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ylabel('Amplitude') 5*=a*nD11  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) FcnSO0G%  
Sm;EWz-?  
axis([0 90 0 1]) y*,3P0*z  
%m:T?![XO  
grid on "(uEcS2<  
b?#k  
Rp=abs(rp).^2;  fL9R{=I%  
'H0b1t1S%  
Rs=abs(rs).^2; {/]Ks8`Dm  
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Rn=(Rp+Rs)/2; Y[=Gv6Fr  
S0V%JY;Gv  
Tp=1-Rp; mmrx*sr=  
a}3sG_(Y  
Ts=1-Rs; "Jw6.q+  
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Tn=(Tp+Ts)/2; qGtXReK  
2.=3:q!H<%  
figure(2) @\ip?=  
,Mf@I5?  
subplot(1,2,1); KsM2?aqwf_  
S$q:hXZ#e  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) $QQv$  
.aWEXJ  
legend('R_p','R_s','R_n') )Yvf9dl  
_@3?yv~ D  
xlabel('\theta_i') } FcWzi  
C<CE!|sfr  
ylabel('Amplitude') L^:+8g  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 8UArl3  
pEIc ?i*  
axis([0 90 0 1]) t.m65  
~8AcW?4Z  
grid on %\?2W8Qv_J  
cDMA#gp  
subplot(1,2,2); yW.s?3X  
O/M\Q  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) 2F(zHa  
S/CT;M@W  
legend('T_p','T_s','T_n') oXG,8NOdC  
*V(TNLIh;  
xlabel('\theta_i') 7MreBs(M  
iivuH2/~?[  
ylabel('Amplitude') T_CYSS|fX  
SS@F:5),  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) uGl +"/uDu  
CMa~BOt#  
axis([0 90 0 1]) ,mH2S/<}S  
t E/s|v#O  
grid on w~>V2u_-  
O#Ab1FQn  
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200833 2017-11-26 22:36
2、光密射向光疏 X_XeI!,b  
Z++JmD1J  
clear 'S<ebwRd=  
n'ft@7>%h  
close all |Euf:yWY  
@qH{;  
n1=1.45,n2=1; ;bq_Y/"  
rgheq<B:  
theta=0:0.1:90; >(EMZ5  
!=>pI/ECQ*  
a=theta*pi/180; i[)H!%RV*  
h0`@yo  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); j E_a ++  
u(\O  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); rWI6L3,i+  
bJ~]nj 3  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); 2w93 ~j  
'VCF{0{H~  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); XPE{]4 g  
'~A~gK0  
figure(1) 01q5BQ7u  
0}jB/Z_T  
subplot(1,2,1); 5=/H2T!F  
\"i2E!  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) Ak[}s|,)  
fLl~a[(5  
legend('r_p','r_s','|r_p|','|r_s|') "1_eZ`  
!Q =H)\3  
xlabel('\theta_i') A?'Tigi  
%gDMz7$~  
ylabel('Amplitude') ~=i9]%g ?  
5 rkIK  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ?)k;.<6  
LDHuf<`  
axis([0 90 -1.5 1.5]) wN8-M e  
jD9 ^DzFx  
grid on fQq'_q5  
jV`xRjh  
subplot(1,2,2); Lh0Pvq0C  
*j RNpB{)z  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) $5T3JOFz  
uG@Nubdwuy  
legend('t_p','t_s','|t_p|','|t_s|') _] veTAV  
sI/Jhw)  
xlabel('\theta_i') $NzD&b$7  
,-#8/9ts  
ylabel('Amplitude') -kT *gIJ}  
yZ=wT,Y  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) >p Y0f }  
@13vn x  
axis([0 90 -0.5 3]) Nw'i;}0v7r  
DYkNP: +  
grid on IGEs1  
vK z/-9im  
Rp=abs(rp).^2; ,cD(s(6+  
E$dPu  
Rs=abs(rs).^2; 4JSf t t  
>QV=q`I  
Rn=(Rp+Rs)/2;  +T02AS  
#x! h BS!  
Tp=1-Rp; { [ QCuR  
ys|a ^VnN  
Ts=1-Rs; y}dop1zp  
1>bG]l1//  
Tn=(Tp+Ts)/2; !=M[u+-  
&OD)e@Tc  
figure(2) vfPL;__{Y]  
uuW._$.A>  
subplot(1,2,1); ^%tmHDNL.  
fOs}5J  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) f]N2(eM  
o_hk!s^4m  
legend('R_p','R_s','R_n') -@f5d  
d[(KgX9  
xlabel('\theta_i') 9`eu&n@Z  
&y"e|aE  
ylabel('Amplitude') R@Ch3l@  
-E_lwK  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) <hazrKUn  
W Z`u"t^2V  
axis([0 90 0 1]) ew8f7S[  
z)N8#Y~vn  
grid on <Uf?7  
nw|ls2   
subplot(1,2,2); p\T.l <p  
R@_i$Df|  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) 6'+;5M!  
D0NSzCHx  
legend('T_p','T_s','T_n') _GSl}\  
x%HX0= (  
xlabel('\theta_i') >.^/Z/[.L  
`{BY {  
ylabel('Amplitude') kpFt  
d 2f   
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) jinDKJ,n;  
{z:aZ]QhKc  
axis([0 90 0 1]) Kppi N+||  
n@IpO i$Q  
grid on _)AX/%^%  
@}sxA9 a  
[attachment=80481] ^]_[dqd  
e%_2n=p~)%  
[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 ,0j7qn@tm  
jabil 2025-03-07 09:40
Thanks
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