[分享]利用MATLAB光学仿真（1） [复制链接]

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 /YU8L  
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1、光疏射向光密
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v*.iNA;&i  
clear BhbfPQ  
|M t2  
close all MZcvr9y  
ydY 7 :D  
n1=1,n2=1.45; PNo:vRtsq  
[q_62[-X  
theta=0:0.1:90; G|-RscPe  
c9Cc%EK  
a=theta*pi/180; =ud~  
YO?o$Hv16  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); iycceZ  
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rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); u>agVB4\F  
+ug/%Iay{k  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ?1Vx)j>|  
Lp@Al#X55  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ~UQ<8`@a  
V51kX{S  
figure(1) -b8SaLak  
}U5$~,*p  
subplot(1,2,1); qTwl\dcncC  
@(E6P;+{  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) qvGmJN0  
9,\AAISi  
legend('r_p','r_s','|r_p|','|r_s|') "iX\U'`  
a MFUj+^  
xlabel('\theta_i') /YJBRU2  
;pOV; q3j  
ylabel('Amplitude') 5=p<"*zJ  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) BI*0JKQu  
B^zg#x#8  
axis([0 90 -1 1]) QkD]9#Id&  
#r?[@aJ  
grid on xw_$1 S  
v''J@F7  
subplot(1,2,2); |]?W`KN0  
dBovcc  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) dV'^K%#  
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legend('t_p','t_s','|t_p|','|t_s|') EL z5P}L6  
f2SJ4"X
  
xlabel('\theta_i') Y+vIU*O  
i`];xNR'  
ylabel('Amplitude') ~Jsu"kr  
'o0o.&/=  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) t>*(v#WeZ  
60A!Gob  
axis([0 90 0 1]) 8<C@I/  
Z0y~%[1X  
grid on l.
 l)w  
NYG!\u\Rm  
Rp=abs(rp).^2; 5P\A++22Y  
kv+^U^WoU  
Rs=abs(rs).^2; F  Qk  
/z`tI  
Rn=(Rp+Rs)/2; L;{{P7  
di9OQ*6a7  
Tp=1-Rp; eK*oV}U-k  
0_+ & [g}  
Ts=1-Rs; %VR{<
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O#O"]A  
Tn=(Tp+Ts)/2; Vmh$c*TE  
7w8UnPuM  
figure(2) _G.!^+)kEm  
5M5vxJ)Lh  
subplot(1,2,1); YTY(Et1i  
!hS)W7!ik  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) 0a<h,s0"2  
a'Zw^g  
legend('R_p','R_s','R_n') +s;Vfc$b]H  
}oSgx  
xlabel('\theta_i') {^uiu^RAc  
Q{'4,J-w  
ylabel('Amplitude') 2*#i/SE_  
+c C. ZOS  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) BtKor6ba  
:2 :VMIa  
axis([0 90 0 1]) GXQ%lQ  
Fo;:GX,b  
grid on k\j_hu  
_~C1M&b(X3  
subplot(1,2,2); g.%} +5  
T{`VUS/  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) e"bzZ!c&~V  
x{K"z4xbI  
legend('T_p','T_s','T_n')  (#O"  
|s(Ih_Zn  
xlabel('\theta_i') N3MPW  
Qy[S~D_  
ylabel('Amplitude') ;bg]H >$U7  
mXS]SE  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) p9u'nDi  
7[mfI?*m  
axis([0 90 0 1]) f>4|>kS  
Qo^(r$BD  
grid on Wq5}LO)  
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2、光密射向光疏 \f(zMP  
1jop;{,^  
clear [XDV-6KCE.  
OPjNmdeS  
close all YaC[S^p  
'xG J;pY  
n1=1.45,n2=1; D|m3.si  
%,HUn`  
theta=0:0.1:90; _xm<zy{`S  
x0ipk}  
a=theta*pi/180; _ A#lyp  
6S_mfWsi  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); Sa[lYMuB  
y {Bajil  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); "JLE  
n^l*oEl  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); 8OV=;aM?{  
jIrfJ*z  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); bfZt<-  
uYg Q?*Z  
figure(1) /!?Tv8TPp  
]cS(2hP7  
subplot(1,2,1); ,tg]Gt  
fmQif]J;;  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) \7*|u  
fKr_u<|  
legend('r_p','r_s','|r_p|','|r_s|') \mJR^t  
`5wiXsNjLY  
xlabel('\theta_i') (}>)X]  
<\Y(+?+uZ  
ylabel('Amplitude')  1hi,&h  
d-e/0F!  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Shy.:XI  
[f lK  
axis([0 90 -1.5 1.5]) G/},lUzLg  
F {L#  
grid on Q(yg bT  
F*Hovxez  
subplot(1,2,2); IZLCwaW  
pKj:)6t"  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) Te?PYV-  
F02TM#Zi  
legend('t_p','t_s','|t_p|','|t_s|') >#;;g2UV  
c!wRq4  
xlabel('\theta_i') ~J+ qIZge  
G;u~H<  
ylabel('Amplitude') C6a
-  
*!BQ1] G  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) =FIZh}JD  
+$(y2F7|u-  
axis([0 90 -0.5 3]) kJOZ;X=9/  
!A% vR\  
grid on >.od(Fh{l|  
|IzL4>m:;  
Rp=abs(rp).^2; ~p n$'1Q  
0]' 2i  
Rs=abs(rs).^2; -UzWLVB^  
Nb_Glf  
Rn=(Rp+Rs)/2; -#/DK   
nFGX2|d  
Tp=1-Rp; R_GA`U\ {  
K,|3?CjS  
Ts=1-Rs; P{`fav  
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Tn=(Tp+Ts)/2; <kwF<J  
6]<yR> '  
figure(2) vShB26b  
Bd=K40Z:  
subplot(1,2,1); h;r^9g  
VZ`YbY  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) mr#.uhd.z  
5MCgmF*Y2  
legend('R_p','R_s','R_n') uTrzC+\aU  
q8/k$5E  
xlabel('\theta_i') <im}R9eJ1  
'" &*7)+g*  
ylabel('Amplitude') PlA#xnq#  
ZTfW_0   
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) [] "bn9 +  
Wrp+B[{r\  
axis([0 90 0 1]) T>#~.4A0  
rZ-< Ryg  
grid on N!dBF t"  
4K`b?{){+a  
subplot(1,2,2); 0~WXA=XG  
[U^Cz{G  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) zlQBBm;fE  
z+wegF  
legend('T_p','T_s','T_n') lAC"7 Z?F  
#X$s5H  
xlabel('\theta_i') p^ROt'eQ<  
?^7X2 u$nm  
ylabel('Amplitude') jHatUez4O  
]q
q2VO<b  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Tl-%;X<X  
@t$yg$Q?[  
axis([0 90 0 1]) zYdieE\-  
!e |Bi{  
grid on ,g"JgX  
3bo [34  
awQGu,<N  
})(robBkA  

感谢楼主分享

这个在《MATLAB在光学中的应用》这本书里都有

谢谢了楼主分享

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谢谢了楼主分享

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学习学习 N#t`ZC&m'  

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