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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 >taC_f06  
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1、光疏射向光密 >k6RmN  
^<0azza/(  
clear Z;^UY\&X  
K% ) K$/A  
close all p&nIUx"  
J~0_  
n1=1,n2=1.45; 'g8~uP  
 xZ*.@Pkr  
theta=0:0.1:90; [jD.l;jF  
/ M(A kNy  
a=theta*pi/180; 2d,q?VH$  
AwhXCq|k  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); D Hkmn  
hhTM-D1Ehs  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); zCdQI  
~aK@M4  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); n\Z& sc  
&ACM:&Ob  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); TSQ/{=r  
HWFI6N  
figure(1) By|y:  
OY'490  
subplot(1,2,1); IK%fX/tDyc  
:%M[|Fj  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) &;~x{q]3  
|22~.9S  
legend('r_p','r_s','|r_p|','|r_s|') w l.#{@J]<  
?fB}9(6  
xlabel('\theta_i') i-(^t1c  
8Y.25$  
ylabel('Amplitude') #C+""qm  
6Q&R,"!$p  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 2TN+ (B#Z!  
2k,!P6fgl  
axis([0 90 -1 1]) fmDU  
Sri,sZv  
grid on :NL.#!>/  
6~Y-bn"%D5  
subplot(1,2,2); 9kcp(  
zG_e=   
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) t_@xzt10y  
>gAq/'.Q  
legend('t_p','t_s','|t_p|','|t_s|') WH F>J  
$:I~y| !1  
xlabel('\theta_i') .6Swc?  
|k~\E|^  
ylabel('Amplitude') $gsn@P>"  
GdFTKOq  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) &j}\ZD  
R v6 1*F4  
axis([0 90 0 1]) Hcw@24ic  
$O*rxQ}  
grid on F&}>2QiL  
Z~}=q  
Rp=abs(rp).^2; c?i=6C dD'  
J]8nbl  
Rs=abs(rs).^2; -(FVTWi0  
Ds|/\cI$%a  
Rn=(Rp+Rs)/2; HFD5* Z~M  
A~ugx~S0  
Tp=1-Rp; _5I" %E;S  
.d:sQ\k~=  
Ts=1-Rs; OM!CP'u#{  
Sr)rKc  
Tn=(Tp+Ts)/2; y0vo-)E]-]  
>#z*gCO5,  
figure(2) wy5vn?T@  
0Zkb}F2-  
subplot(1,2,1); uX*H2"A  
zR2'xE*  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) 5?),6o);  
riqvv1Nce  
legend('R_p','R_s','R_n') mjbr}9  
nA%H`/O{  
xlabel('\theta_i') Ilvz @=  
0eY$K7 U  
ylabel('Amplitude') +OkR7bl  
J2 _DP  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) :. B};;N  
wXf_2qB9  
axis([0 90 0 1]) K1O0/2O  
d_BO&k<+I  
grid on E 5PefD\m  
6dO )]  
subplot(1,2,2); GuMsw*{>  
_|.q?;C]$  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) (v*$ExF  
xe[Cuy$P  
legend('T_p','T_s','T_n') \k;)m-0bj{  
WZaOw w  
xlabel('\theta_i') %7q,[g8  
)`]w\s #  
ylabel('Amplitude') 8Z%C7 "4O  
CN0&uyu#4  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) C,:3z  
"YD<pRVB  
axis([0 90 0 1]) 4`uI)N(}*  
5!,`LM9  
grid on :|xV}  
'Syq!=,  
[attachment=80479] 5% C-eB  
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[attachment=80478] {zhN>n_  
200833 2017-11-26 22:36
2、光密射向光疏 jI0gQ [  
bJ~]nj 3  
clear 2w93 ~j  
g&;:[&% T]  
close all XPE{]4 g  
'~A~gK0  
n1=1.45,n2=1; NK'awv),pM  
y)?Sn  
theta=0:0.1:90; K:/%7A_{  
G^J|_!.a  
a=theta*pi/180; !Y/$I?13Z  
!u@e^J{Ao  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); e>1z1Q;_uv  
X2!vC!4P?L  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); }; !S2+  
MDa 4U@Q  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); .0;Z:x_3  
'"Q;54S**  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); S !cc%  
;_)&#X,?(  
figure(1) ]Ow A>fb  
n%? bMDS  
subplot(1,2,1); %g}ri8  
J< BBM.^]  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) uqPagt<  
Jw?J(ig^  
legend('r_p','r_s','|r_p|','|r_s|') }7E2,A9_"  
9/TF #  
xlabel('\theta_i') PX}YDC zP$  
0dA'f0Uy\X  
ylabel('Amplitude') 8W Mhe=[  
rI)op1K  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) }6MHIr=o  
LC)-aw>-  
axis([0 90 -1.5 1.5]) Fu:VRul=5$  
eS9uKb5n(  
grid on ZAVjq;bq  
H->J.5~,K  
subplot(1,2,2); Zoh[tO   
<eK F  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) JlJy3L8L  
+G*2f V>  
legend('t_p','t_s','|t_p|','|t_s|') {(#Dou  
E c[-@5x  
xlabel('\theta_i') 4% )I[-sH  
h-<2N)>!  
ylabel('Amplitude') oA`'~~!  
$TS4YaJ%  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) < TJzp  
6Pc3;X~  
axis([0 90 -0.5 3]) $-'p6^5  
oHH-joYnn  
grid on :clMO|  
E4~k)4R  
Rp=abs(rp).^2; j4>1a   
n!e4"|4~z  
Rs=abs(rs).^2; "HSAwe`5jU  
3(l^{YC+[7  
Rn=(Rp+Rs)/2; ~YO99PP  
J P'|v"  
Tp=1-Rp; F @ lJk|*_  
[h20y  
Ts=1-Rs; 1 i # .h$  
H7!j5^  
Tn=(Tp+Ts)/2; ~Qjf-|  
x TEDC,B  
figure(2) N9 yL(2  
4sOo>.<x  
subplot(1,2,1); 0w[#`  
r kOLTi[$  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) YD1 :m3l!  
W,'30:#Fr7  
legend('R_p','R_s','R_n') ea!_/Y  
w4w[qxV>  
xlabel('\theta_i') cC@B\Q  
CPGiKE  
ylabel('Amplitude') I[u%k ir  
j t9fcw  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) vqDd][n  
CYD&#+o  
axis([0 90 0 1]) ha_&U@w  
ZdQt!  
grid on CtiTXDc_  
hJ[Z~PC\T0  
subplot(1,2,2); 6S*L[zBnA\  
;#a^M*e  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) zi M~V'  
Hxe!68{aR  
legend('T_p','T_s','T_n') Bg.~#H  
<49Gsm&0  
xlabel('\theta_i') .URCuB\{  
_Ec9g^I10  
ylabel('Amplitude') |Et8FR3[m  
RJ+i~;-  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) }',/~T6  
M:&g5y&  
axis([0 90 0 1]) i> }P V  
`a *_b9  
grid on J${'?!N  
zF'LbQz0[  
[attachment=80481] t2V|moG  
w<}kY|A"=-  
[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 'r/+z a:2  
jabil 2025-03-07 09:40
Thanks
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