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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 `L5~mb;7*  
R%H$%cnj  
1、光疏射向光密 xwZ8D<e-,  
$hVYTy~}  
clear ]:$ O{y  
Tv]<SI<B[  
close all q *AQq=  
HXVBb%pP  
n1=1,n2=1.45; LsGiu9~S  
FNQX7O52  
theta=0:0.1:90; .LRxP#B  
-g/hAxb5  
a=theta*pi/180; s;YKeE!8  
x/MZ(A%D  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ;C/bJEgdd  
& &<9p;E  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); )g@S%Yu  
5;TuVU.8Q  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ^Ori| 4}'  
1fL<&G  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); q 'a  
y8bM<e2 U  
figure(1) a)! g7u  
0ZPV' `KGp  
subplot(1,2,1); kF V7l  
t.hm9}UQ  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) rt+..t\  
kDYN>``biP  
legend('r_p','r_s','|r_p|','|r_s|') MuEy>dl  
QldzQ%4c\  
xlabel('\theta_i') npu6E;'l*  
%YlTF\-  
ylabel('Amplitude') ? {F{;r  
i!dv0|_  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) z&3]%t `C  
l t]B#, '  
axis([0 90 -1 1]) k6?cP0I)5  
[{<dbW\ 9  
grid on #S+Z$DQD  
Cw,D{  
subplot(1,2,2); M`,XyIn  
P8gX CX!>U  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) vV`|!5x  
nyT[^n  
legend('t_p','t_s','|t_p|','|t_s|') xQlT%X;'  
r<L#q)]  
xlabel('\theta_i') SLk2X;c]o  
*R`MMm  
ylabel('Amplitude') Yi rC*  
; a/cty0Ch  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 'CS.p!Z\  
kJ: 2;t=  
axis([0 90 0 1]) .1*DR]^`  
m<3v)R[>  
grid on Ew^ @Aq  
7-9;PkGG.A  
Rp=abs(rp).^2; H=zN[MU  
}Pg' vJW  
Rs=abs(rs).^2; h <[+HsI  
h[ 6hM^n  
Rn=(Rp+Rs)/2; bEr.nF  
iTNqWU-o  
Tp=1-Rp; LnMwx#^*  
i@<~"~>]7  
Ts=1-Rs; udTxNl!  
! VRI_c  
Tn=(Tp+Ts)/2; %7`d/dgR  
5FuK\y  
figure(2) + >sci  
5urE  
subplot(1,2,1);  ~B@ }R  
>7>7/7=O  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2)  "jU  
12r` )  
legend('R_p','R_s','R_n') Jc~E"x  
&R\XUxI  
xlabel('\theta_i') ":&|[9/  
z(d4)z 8'6  
ylabel('Amplitude') 8SD}nFQ  
f Lk"tW  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) TSyzdnMvz  
V}`M<A6:  
axis([0 90 0 1]) pa] TeH  
mvf _@2^  
grid on jCWu\Oe  
c=t*I0-OVS  
subplot(1,2,2); @bQ!zCI  
.D@/y uV  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) ~&[u]u[  
l Z~+u  
legend('T_p','T_s','T_n') px&=((Z7>  
gLCz]D.'  
xlabel('\theta_i') *7vue"I*Z  
Pw #2<>  
ylabel('Amplitude') #6FaIq92V  
3GWrn ,f  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ag/u8  
chwh0J;  
axis([0 90 0 1]) 'o8\`\'H!  
u-/3(dKt  
grid on er\:U0fr#@  
`]yKM0 Z  
[attachment=80479] 2 TCRS#z  
#8qyg<F  
[attachment=80478] y84XoDQ  
200833 2017-11-26 22:36
2、光密射向光疏 &@oq~j_7  
/kb$p8!C".  
clear K#U{<pUP  
=[8d@d\  
close all r2)pAiTM*  
D1~^\)*  
n1=1.45,n2=1; i-Ljff  
<wqRk<  
theta=0:0.1:90; "x.88,T6  
,9$>d}N  
a=theta*pi/180; ;W4:#/~14  
`i{4cT8:  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); dTgM"k  
4jD\]Q="1  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); v @_?iC"`  
u p7 x)w:  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); nR#a)et  
[@s=J)H  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); J4&XPr9  
8s&2gn1  
figure(1) 7vdHR\#;$  
n+S&!PB  
subplot(1,2,1); EXH!glR[$  
aliQ6_  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) > fhSaeN  
-<12~HKK::  
legend('r_p','r_s','|r_p|','|r_s|') K-ju,4A  
rGAFp,}-f  
xlabel('\theta_i') "Vq@bNtu+  
|4LQ\'N&  
ylabel('Amplitude') ?RqTbT@~  
!4!S{#<q  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) lP-kZA!  
QDl)92z  
axis([0 90 -1.5 1.5]) >dcqPNDg1^  
xg4T` ])  
grid on "&s9cO.H  
<(ubZ  
subplot(1,2,2); .Lp Nm'=R  
U5 -zB)V  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) SIJ# ?0,  
L)j]~^P$-  
legend('t_p','t_s','|t_p|','|t_s|') 23,%=U  
k^~@9F5k  
xlabel('\theta_i') wZ}n3R,   
X~`.}  
ylabel('Amplitude') 1'gKZB)TG7  
20S9/9ll  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) W'm!f  
QGu7D #%|  
axis([0 90 -0.5 3]) c4S>_qH  
R'jUS7]Y  
grid on hG< a  
{A !;W  
Rp=abs(rp).^2; k,yc>3P;U  
ZA) SJWwD  
Rs=abs(rs).^2; ]wJ}-#Kx  
*tIdp`xT/T  
Rn=(Rp+Rs)/2; []sB^UT  
~t1O]aO(  
Tp=1-Rp; 0m)-7@  
w50.gr7  
Ts=1-Rs; &zaW"uy3T  
K*J4&5?/  
Tn=(Tp+Ts)/2; qBf wN1  
.eZPp~[lAN  
figure(2) p =#'B*'w  
-PIA;#Gs  
subplot(1,2,1); IF,i^,  
^\Ue7,H-  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) )M&I)In'  
z_)OWWdN  
legend('R_p','R_s','R_n') FkB6*dm-  
mgJ]@s}9  
xlabel('\theta_i') %N?W]vbra  
dM>j<JC=  
ylabel('Amplitude') Dohl,d  
1( QWt  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) -&f]X u  
/*mFP.en  
axis([0 90 0 1]) zyQ,unu  
{+9^PC_hm;  
grid on o|Yn(xu-  
UpE1PLZlB  
subplot(1,2,2); v#T?YK  
Wme1Uid  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) Q0[CH~  
~{3o(gzl  
legend('T_p','T_s','T_n') 6qmo ZAg  
`W.vW8 !#  
xlabel('\theta_i') 9~Y)wz  
f0N)N}y  
ylabel('Amplitude') [1Qk cR  
f6dE\  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 0& SrKn  
tXb7~aO  
axis([0 90 0 1]) Rd;~'gbG  
;c \zgs~"T  
grid on Occ8Hk/l.  
Hz;jJ&S  
[attachment=80481] 4P-'(4I)  
af`f*{Co3  
[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 FoelOq6  
jabil 2025-03-07 09:40
Thanks
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