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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 LW39YMw<  
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1、光疏射向光密 Zj-BuE&@f  
c6b0*!D"}  
clear 4R+P  
o@d y:AR  
close all H_X?dj15  
h)E|?b_  
n1=1,n2=1.45; MB* u-N0v  
Isovwd  
theta=0:0.1:90; 2z98 3^  
[F|+(}  
a=theta*pi/180; viuiqs5[Bi  
DzPs!(5[I  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); Y&,rTa  
3#Y3Dz`  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); y3yvZD  
lEfBe)7+  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); DuF7HTN[K  
?mOg@) wx  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); Yg6I&#f7&  
#'>?:k  
figure(1) m1e b8yX  
f[qPG&  
subplot(1,2,1); EDN(eh(_  
d,R6` i  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) [A_r1g&_  
Ky&KF0  
legend('r_p','r_s','|r_p|','|r_s|') 9bEM#Hj  
,QS'$n  
xlabel('\theta_i') lcig7%  
O3ZM:,.  
ylabel('Amplitude') l#6&WWmr  
Wg(bD,  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) baIbf@t/  
d~<QAh#rG  
axis([0 90 -1 1]) @*_ZoO7{  
M@O2 WB1ws  
grid on NV#')+Ba  
rB evVc![  
subplot(1,2,2); E!@/NE\-  
MW]8;`|jC  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) +=, u jO:  
jvO3_Zt9  
legend('t_p','t_s','|t_p|','|t_s|') cDO:'-  
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xlabel('\theta_i') 0IFlEe[>#  
l7Y8b`  
ylabel('Amplitude') t{=i=K 3  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)])  i_y:4  
=43d%N  
axis([0 90 0 1]) ~BQV]BJ7  
!a4cjc(  
grid on leIy|K>\m  
{~nvs4X  
Rp=abs(rp).^2; !3HsI| $<G  
q\U4n[Zk  
Rs=abs(rs).^2; hpjUkGm5  
G)~MbesJ  
Rn=(Rp+Rs)/2; .ujj:>  
NGj"ByVjx  
Tp=1-Rp; 7&px+155  
4 iKR{P6  
Ts=1-Rs; GY7s  
=Pj@g/25u  
Tn=(Tp+Ts)/2; 0T1ko,C!,e  
0`Gai2\1@  
figure(2) \2Xx%SX  
I)rGOda{  
subplot(1,2,1); \KN dZC?V2  
Uf^RLdoDn  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) Lxz  
wH#-mu#Yl<  
legend('R_p','R_s','R_n') " SLvUzO>q  
'5V^}/  
xlabel('\theta_i') eB7>t@ED  
Wk,6) jS=}  
ylabel('Amplitude') )ZN(2z  
U81;7L8  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) vi<X3G6Xh  
CvP`2S\  
axis([0 90 0 1]) OFIMi^@  
d>;2,srUf  
grid on \.kTe<.:_  
pY, O_ t$  
subplot(1,2,2); -$OD}5ku#  
,b:n1  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) 2k+= kt  
R|$[U  
legend('T_p','T_s','T_n') [h^f%  
}}s8D>;G~  
xlabel('\theta_i') 3y/1!A3  
U|9U(il  
ylabel('Amplitude') "NJ ,0A  
z^gi[ mi  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) v&e-`.xR  
L)1C'8 ).  
axis([0 90 0 1]) U%h7h`=F?  
\m%J`{Mt  
grid on P&,hiGTDi  
yB=C5-\F  
[attachment=80479] jT{f<P0  
tK*%8I\s  
[attachment=80478] jk K#e$7  
200833 2017-11-26 22:36
2、光密射向光疏 2rF?Q?$,B  
&K+  
clear ~."!l'a  
k{?!O\yY  
close all n}=rj7  
N&?T0Ge;  
n1=1.45,n2=1; 4=~ 9v  
E!dz/.  
theta=0:0.1:90; aMBL1d7  
Q@7l"8#[t  
a=theta*pi/180; ht2 f-EKf{  
Qk+=znJ  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); j.<:00<  
$Z,i|K;  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ||yXp2  
A<mj8qz  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); U)u\1AV5  
;R/k2^uF  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); +ylxezc  
1RCXc>}/  
figure(1) a3Z :C!|O'  
mfu*o0   
subplot(1,2,1); @>M8Pe  
zhuy ePn  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) s.VUd R"  
D LNa6  
legend('r_p','r_s','|r_p|','|r_s|') <\E"clZI  
g&{gD^9)4  
xlabel('\theta_i') #.<*; rB  
wy,Jw3  
ylabel('Amplitude') K~`n}_:  
JX2mTQ  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) \R6;Fef  
_Wm(/ +G_|  
axis([0 90 -1.5 1.5]) _=o1?R  
"Q3PC!7X:5  
grid on x1.3W j  
=''mpIg(  
subplot(1,2,2); 3DxZ#/!  
n^* >a  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) f@wsS m  
j5PaSk&o=  
legend('t_p','t_s','|t_p|','|t_s|') %T`4!:vy  
,:v.L}+Z  
xlabel('\theta_i') 0 $n8b/%.  
cYZwWMzp  
ylabel('Amplitude') 70'} f  
(:_%kmu  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) jHs<s`#h  
B.]qrS|  
axis([0 90 -0.5 3]) 08zi/g2 3  
C_;HaQiu  
grid on S1D9AcK  
di-O*ug  
Rp=abs(rp).^2; b}ySZlmy  
w^ixMn~nLF  
Rs=abs(rs).^2; ArNur~  
iifc;62  
Rn=(Rp+Rs)/2; X)`(nj  
|HaU3E*R  
Tp=1-Rp; 4 ?9soc  
1$:{{%  
Ts=1-Rs; 2"pE&QNd  
gGtep*k  
Tn=(Tp+Ts)/2; z5x ,fQw6O  
`U {o:  
figure(2) p<Zs*  @  
B'G*y2UnG  
subplot(1,2,1); 91-P)%?  
3v9gb,)y\  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) (t]lP/  
uvu**s  
legend('R_p','R_s','R_n') ](B& l{V  
o7_MMeQ4  
xlabel('\theta_i') ?RgU6/2  
+zFV~]b  
ylabel('Amplitude') A2g"=x[1@K  
O ,Pl7x%tK  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) "| .  +L  
s`8M%ZLu  
axis([0 90 0 1]) 7&;[an^w  
 At`1)  
grid on TEaD-mY3  
HI"!n$p  
subplot(1,2,2); "TBQNWZ  
l }2%?d  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) Ft%TnEp  
}S~ysQwT  
legend('T_p','T_s','T_n') p|bc=`TD  
'k-u9  
xlabel('\theta_i') !wLH&X$XT  
mV:RmA  
ylabel('Amplitude') <?q&PCAn^  
R,d70w (_  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) LyJTK1]#  
9A/Kn]s(jj  
axis([0 90 0 1]) M `9orq<  
Z]7;u>2  
grid on 0j a  
d I#8CO  
[attachment=80481] GvZac  
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[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 8)-t91hkL  
jabil 2025-03-07 09:40
Thanks
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