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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 ":Tm6Nj  
H"l4b4)N\  
1、光疏射向光密 7:u+cv  
%|(c?`2|  
clear ~SQ xFAto  
F,p0OL.  
close all f(m, !  
2r!ltG3}  
n1=1,n2=1.45; UrvUt$WO  
@Uez2?  
theta=0:0.1:90; Yn }Gj'  
m g'q-G`\<  
a=theta*pi/180; tr,W)5O@L  
gfg,V.:  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); B]"`}jn  
R}Lk$#S#  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); #%p44%W  
V[nPTYO4  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); f*X CWr  
w_56y8Pd4  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); QE(.w dHP  
:'Qiwf&  
figure(1) A ]A{HEX  
W%g*sc*+  
subplot(1,2,1); ls 5iE  
13!@L bC  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) QPx5`{nN  
!RmVb}m  
legend('r_p','r_s','|r_p|','|r_s|') /IUu-/ D  
qLDj\%~(  
xlabel('\theta_i') /YvXyi>^"%  
~:z.Xu5m  
ylabel('Amplitude') !,[#,oy;  
QF"7.~~2  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) sW]^YT>?  
>S +}  
axis([0 90 -1 1]) e,p"=/!aY  
u< BU4c/p  
grid on a+^` +p/5  
8 c8`"i  
subplot(1,2,2); j?.F-ar  
tUv>1) [  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) K&|h%4O  
Kq")\Ha,f  
legend('t_p','t_s','|t_p|','|t_s|') 8v"rM >[  
*DF3juf~  
xlabel('\theta_i') 2a$. S " ?  
K&L!O3#(  
ylabel('Amplitude') X8|H5Y:  
bBjr hi  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) !/is+ xp  
b' o]Y  
axis([0 90 0 1]) cfLF@LW!])  
buGBqx[  
grid on ;>J!$B?,  
Xul`>8y|  
Rp=abs(rp).^2; 0WUBj:@g  
n1f8jS+'}  
Rs=abs(rs).^2; *4cuWkQ,  
TrjyU  
Rn=(Rp+Rs)/2; }T?X6LA$I8  
G$<(>"Yr~$  
Tp=1-Rp; >f]/VaMH{  
;p(h!4E  
Ts=1-Rs; B5lwQp]  
TjW!-s?S  
Tn=(Tp+Ts)/2; :;k?/KU7  
\<LCp;- K  
figure(2) }%< ?]  
boo361L  
subplot(1,2,1); iiPVqU%  
9z7_D_yN2  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) iGW|j>N  
0]DOiA  
legend('R_p','R_s','R_n') Ebnb-Lze,  
xVx s~p1  
xlabel('\theta_i') n2U &}O  
e=sc$1|4=  
ylabel('Amplitude') 6V;Dcfvi  
3<xE_ \DR  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ]*2),H1 c  
O<m46mwM  
axis([0 90 0 1]) 1W USp;JMl  
jB LTEb  
grid on L AQ@y-K3  
/Ew()>Y  
subplot(1,2,2); Fy=GU<&AI  
F @PPhzZ  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) NQdwj>_a  
m06'T2I  
legend('T_p','T_s','T_n') "#d$$ 8  
>^Nnhnr  
xlabel('\theta_i') LRJX>+@  
`Skvqo(5:  
ylabel('Amplitude') pzF_g- B  
AiqKf=  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)])  ?8>a;0  
1-kuK<KR  
axis([0 90 0 1]) 529; _|  
{wS i?;[Gq  
grid on e{)giJY9  
W|PAI [N  
[attachment=80479] o@Ye_aM~?Y  
\8{SQ%  
[attachment=80478] ndSu-8?L  
200833 2017-11-26 22:36
2、光密射向光疏 1 iH@vd  
!yNU-/K  
clear a"(Ws]K  
1g;2e##)  
close all <J8c dB!e  
%NLd"SV  
n1=1.45,n2=1;  hb[ThQ  
e~vO   
theta=0:0.1:90; g@H<Q('fJ  
jFQy[k-B  
a=theta*pi/180; %Wtf24'o;v  
Q& [!+s:2J  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ]OpGD5jZ  
HNZ$CaJh  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); W{NWF[l8O?  
Ar%*NxX  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); a~KtH;7<  
+w0Wg.4V  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); U6JD^G=qR,  
> ?+Rtg|${  
figure(1) o[;P@F  
XfcYcN  
subplot(1,2,1); ~}OaX+!  
'iMzp]V;  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) <Sot{_"li  
c!@|y E,  
legend('r_p','r_s','|r_p|','|r_s|') qO@vXuul,  
UP#@gxF  
xlabel('\theta_i') Zbo4{.#  
%DuPM6 6r  
ylabel('Amplitude') T"\d,ug5[  
<EnmH/C.  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ]ZLF=  
sI\NX$M  
axis([0 90 -1.5 1.5]) jdG'sITv  
CH7a4qL`  
grid on u^Cl s!C  
gwB,*.z  
subplot(1,2,2); \d:Q%S  
xxGm T.&  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) O+!4KNN.-  
05F/&+V  
legend('t_p','t_s','|t_p|','|t_s|') $mxG-'x%K  
>V.?XZ nt  
xlabel('\theta_i') 0d[O/Q`  
LR&MhG7  
ylabel('Amplitude') :r{-:   
L#`X ]E  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) &pK0>2  
+.djC3^:  
axis([0 90 -0.5 3]) x)80:A}  
A8ViJ  
grid on P)VQAM  
Ee5YW/9]  
Rp=abs(rp).^2; Z +/3rd  
M8lw; (  
Rs=abs(rs).^2; `U0XvWPr[  
7 \xCNOKh  
Rn=(Rp+Rs)/2; Q'U!  
[( xPX  
Tp=1-Rp; sssw(F  
}^I36$\  
Ts=1-Rs; rFcz 0  
t tr`  
Tn=(Tp+Ts)/2; 6[t(FcS  
P}'B~ ~9W  
figure(2) RAa1^Qb  
7OLHYt9  
subplot(1,2,1); L%[>z'Zp  
Na`> pH  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) ]9_tto!/  
)fo0YpE^|  
legend('R_p','R_s','R_n') .Z]hS7t  
YuuTLX%3  
xlabel('\theta_i') #^9bBF/  
RaLV@>jPm  
ylabel('Amplitude') )Q9Qo)D T  
#n&/v'!\  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) {'alA  
RKrNmD*rk*  
axis([0 90 0 1]) I>rTqOK  
_zbIS&4  
grid on U=%(kOx  
@?s>oSyV  
subplot(1,2,2); x+~!M:fAc9  
~jJ.E_i  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) X<_HQ  
{1=|H$wKg  
legend('T_p','T_s','T_n') oFp1QrI3k8  
X}G$ON  
xlabel('\theta_i') 3AENY@*  
).HA #!SE  
ylabel('Amplitude') |[r7B*fw  
W.s8!KH:  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) YXTV$A+lW  
iN[6}V6Sm  
axis([0 90 0 1]) 6? lAbW  
`3? HQ2n  
grid on q'trd};xR  
!m))Yp-"H  
[attachment=80481] aZo}Ix:/  
dHAT($QG  
[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 (f_YgQEL  
jabil 2025-03-07 09:40
Thanks
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