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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 Lcy>!3q3~  
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1、光疏射向光密 RaY=~g  
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clear -xc'P,`  
/ S)&dN`  
close all j=TG&#e  
K6z-brvw "  
n1=1,n2=1.45; b:(*C  
qVmG"et'J  
theta=0:0.1:90; [:C!g#o  
t&Z:G<;  
a=theta*pi/180; 8sxH)"S  
vCtag]H2@  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); Y([vma>U]  
h5R5FzY0&  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ppo\cy;  
B=J/HiwV)  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); IDr$Vu4LCW  
|&a[@(N:zf  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); _gi?GQj  
ZVmgQ7m  
figure(1) (_O_zu8_  
LuIs4&[EW  
subplot(1,2,1); IOi6' 1l  
>QM$ NIf@  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) v_Y'o _  
#y%?A;  
legend('r_p','r_s','|r_p|','|r_s|') dsJHhsu6  
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xlabel('\theta_i') :ift{XR'  
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ylabel('Amplitude') obhq2sK  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) +A,t9 3:k  
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axis([0 90 -1 1]) )51H\o  
v J.sa&\H  
grid on l+1GA0'JP  
N/fH%AtM  
subplot(1,2,2); u2xb^vu  
,:QDl  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) wFJ?u?b0Q  
ij=}3;L_!  
legend('t_p','t_s','|t_p|','|t_s|') i%)Nn^a;T  
v/yt C/WH"  
xlabel('\theta_i') "m:4e`_dz  
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ylabel('Amplitude') X6dv+&=?  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) vc_ 5!K%[  
@n##.th  
axis([0 90 0 1]) r%/*,lLO  
L4'FL?~I  
grid on " '/$ZpY  
^#4?v^QNh  
Rp=abs(rp).^2; %CP:rAd`M.  
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Rs=abs(rs).^2; !~&vcz0>)9  
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Rn=(Rp+Rs)/2; ^^I3%6UY  
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Tp=1-Rp; 0#rv.rJ{  
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Ts=1-Rs; &&;ol}W  
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Tn=(Tp+Ts)/2; r%g?.4o*b  
-PSI^%TR#  
figure(2) bt,^-gt@  
x_oL~~@  
subplot(1,2,1); Sh=Px9'i  
})R8VJ&C/  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) e:Zc-  
0UmKS\P  
legend('R_p','R_s','R_n') I9`R L Sn  
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xlabel('\theta_i') =;/4j'1}9  
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ylabel('Amplitude') @JWoF^U  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) L$GhM!c  
;u'mSJI'  
axis([0 90 0 1])  l+.E'   
IwIk;pB O  
grid on {Tp0#fi  
,Z;z}{.hq  
subplot(1,2,2); bN$!G9I!,  
6ZBg/_m  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) d]OoJK9&&  
pHFh7-vj  
legend('T_p','T_s','T_n') eiJO;%fl>l  
3:i4DBp,i  
xlabel('\theta_i') 4-4lh TE(  
nBd!296  
ylabel('Amplitude') 9lA@ K[  
mN^92@eebC  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ?gb"S,  
2roPZj  
axis([0 90 0 1]) nu] k<^I5|  
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grid on `~hAXnQK=  
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[attachment=80479] ~(tZW  
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[attachment=80478] `)F lb|da  
200833 2017-11-26 22:36
2、光密射向光疏 ~F*pV*  
$jb0/  
clear n37C"qJ/i  
~1pJQ)!zlq  
close all jMUE&/k  
&J_|P43  
n1=1.45,n2=1;  O+1 e  
y6'Fi(2yw  
theta=0:0.1:90; EH"iK2n\9  
Dn _D6H  
a=theta*pi/180; h)q:nlKUW  
5j`"@C5;O  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); bCk_ZA  
C8cB Lsa[J  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); rd\mFz-SB  
_> .TB\  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); t'4hWNR'  
!&TbE@Xk  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); yw5MlZ4P=  
N10'./c K  
figure(1) N{`-&8q;K  
0\wMlV`F  
subplot(1,2,1); /`0*!sN*5  
RMDs~  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) V;?_l?_  
Z;XR%n8  
legend('r_p','r_s','|r_p|','|r_s|') C^Tc9  
*#Hi W)  
xlabel('\theta_i') SY["(vP%#  
%,MCnu&Z  
ylabel('Amplitude') %p"x|e  
8iD_md_[  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Q<zL;AJ  
ExI?UGT  
axis([0 90 -1.5 1.5]) GC H= X  
b]~X U  
grid on a9"x_IVU  
nTY`1w.;  
subplot(1,2,2); 8 +xLi4Pw  
Jd&Qi)1  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) }f^r@3Cb3  
.%3bXK+F  
legend('t_p','t_s','|t_p|','|t_s|')  :q;vZ6Xd  
Y:G6Nd VFM  
xlabel('\theta_i') d7^:z%Eb|  
G-Z_pGer^  
ylabel('Amplitude') %B3E9<9>U  
s>~!r.GC  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) b.h~QyI/W  
H0 km*5Sn  
axis([0 90 -0.5 3]) q+dY&4&u  
6YrkS;_HS  
grid on u7fae$:&  
C>N)~Ut  
Rp=abs(rp).^2; WDY,?  
t3 *2Z u  
Rs=abs(rs).^2; i5|A\Wv"  
"f~S3?^!2  
Rn=(Rp+Rs)/2; +uKlg#wqc  
h -+vM9j  
Tp=1-Rp; R7e`Wn  
k  5xzC&  
Ts=1-Rs; c _O| ?1  
'%V ;oJ"  
Tn=(Tp+Ts)/2; kE,~NG9P  
0+;.T1?  
figure(2) <'-}6f3  
vC$[Zm  
subplot(1,2,1); KKa"Ba$g  
Q)C#)|S  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) "Hg.pDNZ  
<QugV3e  
legend('R_p','R_s','R_n') ~{*FjZ`h  
}a"T7y23  
xlabel('\theta_i') WHvN6  
&y mfA{s  
ylabel('Amplitude') 4kT|/ bp  
j?+FS`a!  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) \5k[ "8~  
wP6~HiC  
axis([0 90 0 1]) E4HG`_cWb  
PsEm(.z  
grid on b@Ik c<  
I^[R]Js  
subplot(1,2,2); TW Qf2  
lK9us  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) ]b.@i&M  
C "<l}  
legend('T_p','T_s','T_n') SBAq,F'  
,@khV  
xlabel('\theta_i') `w@fxv   
L<J';#BD  
ylabel('Amplitude') x{Gb4=?l  
=KmjCz:  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ;f^.7|  
)j4]Y dJ  
axis([0 90 0 1]) a_L&*%;  
'vhgR2/  
grid on s)_7*DY  
n9050&_S  
[attachment=80481] E&#AX:  
pTST\0?  
[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 ctTg-J2.  
jabil 2025-03-07 09:40
Thanks
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