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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 hr6f}2  
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1、光疏射向光密 pM VeUK?  
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clear ]Dx?HBM"DC  
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close all u%*;gu"2  
/[EI0 ~P  
n1=1,n2=1.45; M6?Qw=  
 m?B@VDZ  
theta=0:0.1:90; o_G.J4 V  
0W=IuPDU  
a=theta*pi/180; i, RK0q?>  
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rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ]Uxx_1$,  
2EE#60  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); .2Rh_ful  
#),QWTl3  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); EKoCm)}d  
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ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); PiH#9X B  
3rR(>}:[V  
figure(1) *4(.=k  
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subplot(1,2,1); T_gW't>   
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plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) n7{c0;)$  
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legend('r_p','r_s','|r_p|','|r_s|') mfx 'Yw*{  
$W0lz#s:  
xlabel('\theta_i') +p43d:[  
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ylabel('Amplitude') Pel3e ~?t  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) oEi +S)_  
]q?<fEG2<  
axis([0 90 -1 1]) +F0M?,  
&2) mpY8xQ  
grid on +w}5-8mH&>  
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subplot(1,2,2); PqP)<d '/  
1P[!B[;c  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) 4`*jF'N[  
* |,V$  
legend('t_p','t_s','|t_p|','|t_s|') wPG3Ap8L  
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xlabel('\theta_i') x&?35B i  
b9\=NdyCY  
ylabel('Amplitude') (oTx*GP>Y  
u|w[ b9^r  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) "dkvk7zCP  
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axis([0 90 0 1]) #FeM.k6  
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grid on ;xj^*b  
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Rp=abs(rp).^2; X#Hs{J~@p  
g4~{#P^i  
Rs=abs(rs).^2; &Wn!W  
U :IQWlC  
Rn=(Rp+Rs)/2; +i K.+B  
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Tp=1-Rp; UHxXa*HyI  
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Ts=1-Rs;  /h   
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Tn=(Tp+Ts)/2; W}T$Z  
#&$4tTl  
figure(2) XLOk+Fn  
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subplot(1,2,1); -o=qYkyLK  
:@n e29,}  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) T@f$w/15  
iXXgPapz  
legend('R_p','R_s','R_n') gI T"nG=a4  
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xlabel('\theta_i') eP;lH~!.0  
7<X_\,I  
ylabel('Amplitude') 38JvJR yK}  
  5)mn  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Plt~l3_  
sdrE4-zd  
axis([0 90 0 1]) ?_ p3^kl  
CbwQ'c$}  
grid on edbzg #wy  
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subplot(1,2,2); \GBv@  
B(E+2;!QF  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) *n}{ )Ef  
tX6n~NJ$  
legend('T_p','T_s','T_n') 7eZ,; x  
WG1x:,-  
xlabel('\theta_i') %}2 s74D*Z  
w 8T#~Dc  
ylabel('Amplitude') 'Kc;~a  
^|OxlfS  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) (i&:=Bfn)  
@#;~_?$?C  
axis([0 90 0 1]) Y+lZT4w  
JrS|Ib)6  
grid on 8*6U4R  
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[attachment=80479] yA =#Ji  
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[attachment=80478] /_>S0  
200833 2017-11-26 22:36
2、光密射向光疏 <D!"<&N  
}-!0d*I  
clear f D2. Zh  
tVFl`Xr   
close all g \&Z_  
sYYNT*  
n1=1.45,n2=1; <Y9e n!3\  
42~tdD  
theta=0:0.1:90; xrf z-"n4  
6||zfH  
a=theta*pi/180; <D%.'=%pZ  
4ba[*R2  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); 0EKi?vP@y7  
#8i DM5:EQ  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2));  l|j  
}&F|u0@b  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); GO2mccIB  
xG/B$DLn  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); +<a-;e{  
Y;-$w|&P>  
figure(1) [+ K jun_  
.J"QW~g^  
subplot(1,2,1); |6v $!wBi  
<Z5-?wgf9  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) l|9' M'a  
<A^sg?s<'  
legend('r_p','r_s','|r_p|','|r_s|') 3K!(/,`  
O`K2mt\%  
xlabel('\theta_i') 2RG6m=Y8y  
J2adG+=  
ylabel('Amplitude') 3:C)1q  
k<Qhw)M8  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 1o`zAJ8|2  
' Dcj\=8  
axis([0 90 -1.5 1.5]) x{4{.s%+:  
:y'EIf  
grid on )0+6^[Tqq  
^F,sV*  
subplot(1,2,2); _t&` T  
/o OZ>B%1s  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) ORuC("  
}@x!r=O)I  
legend('t_p','t_s','|t_p|','|t_s|') u}3D'h  
4Hy/K^Ci  
xlabel('\theta_i') :^7>kJ5?  
hh8Grl;  
ylabel('Amplitude') xP4}LL9)  
;NU-\<Q{  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) @,Z0u2WLl6  
.DNPL5[v  
axis([0 90 -0.5 3]) 7UIf   
V6Mt;e)C  
grid on 5`Q j<   
Jvc:)I1NE7  
Rp=abs(rp).^2; Z<^;Ybw{`Z  
e,N}z  
Rs=abs(rs).^2;  J3`0i@  
!iO2yp  
Rn=(Rp+Rs)/2; DA1?M'N  
sYjhQN=Y*  
Tp=1-Rp; d~1uK-L]*  
2ah%,o  
Ts=1-Rs; nv0\On7wd  
F~q(@.b  
Tn=(Tp+Ts)/2; Ve2{;`t  
KL9k9|!p  
figure(2) j$K*R."  
 />Q}0H g  
subplot(1,2,1); z/u^  
,AmwsXN"F  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) SE'!j]6jI  
`^52I kM)  
legend('R_p','R_s','R_n') f WZ(  
R&9FdM3K`:  
xlabel('\theta_i') Q F)\\ D[  
<+k"3r{y"  
ylabel('Amplitude') m>%b4M  
h);^4cU  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) s3HVX'   
T]ls&cW5  
axis([0 90 0 1]) Dn6U8s&  
d2V X\  
grid on sxsb)a  
#~!"`B?#*  
subplot(1,2,2); =e4 r=I  
];Z6=9n  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) ;h\T7pwwb  
=hkYQq`Q  
legend('T_p','T_s','T_n') $c9-Q+pZ  
"|h%Uy?XY  
xlabel('\theta_i') MfP)Pk5  
ZUHRATT-  
ylabel('Amplitude') G@.MP| 2  
T1]?E]m{  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 6Q^~O*cw  
Lm TFvZ  
axis([0 90 0 1]) * :O"R  
gxN>q4z  
grid on f<NR6],}  
9<6q(]U  
[attachment=80481] HwFX,?  
3''S x8p  
[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 O G`8::S  
jabil 2025-03-07 09:40
Thanks
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