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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 y1 a1UiHGP  
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1、光疏射向光密 )F,z pGG  
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clear W(Rp@=!C  
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close all R$i-%3  
q@vqhE4  
n1=1,n2=1.45; f-Zi!AGh>  
2 :wgt  
theta=0:0.1:90; ry0YS\W  
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a=theta*pi/180; . Ky)Co  
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rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ew<_2Xy"<  
iAZbh"I  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); r*9*xZ>8u  
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tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); H h35cj  
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ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ( @V_47o  
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figure(1) lN*beOj  
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subplot(1,2,1); Ako]34Rl,  
K%1`LT5:~  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) gFl@A}  
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legend('r_p','r_s','|r_p|','|r_s|') Uo;a$sR  
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xlabel('\theta_i') d .%2QkL  
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ylabel('Amplitude') q7<=1r+  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) O_L>We@3E  
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axis([0 90 -1 1]) .q1y)l-^Z  
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grid on j8c5_&  
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subplot(1,2,2); w)&?9?~  
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plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) YdyTt5-  
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legend('t_p','t_s','|t_p|','|t_s|') 0#4A0[vV  
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xlabel('\theta_i') EvH/d4V;  
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ylabel('Amplitude') #}l$<7Z U  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) bOSqD[?  
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axis([0 90 0 1]) -ijzo%&qA  
#8zC/u\`=  
grid on 4U~'Oa @p  
xT(0-o*  
Rp=abs(rp).^2; 5zh6l+S[  
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Rs=abs(rs).^2; T}/|nOu 5  
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Rn=(Rp+Rs)/2; :zY;eJKm  
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Tp=1-Rp; Y>at J  
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Ts=1-Rs; 9MH;=88q  
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Tn=(Tp+Ts)/2; ]>1`Fa6_  
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figure(2) }ice*3'3  
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subplot(1,2,1); \Zh&[D!2  
:aBm,q9i:}  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) J% n#uUs  
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legend('R_p','R_s','R_n') P&=YLL<W  
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xlabel('\theta_i') % 8wBZ~1-  
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ylabel('Amplitude') BMI`YGjY1  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Ijap%l1I  
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axis([0 90 0 1]) \o=9WKc  
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grid on -agB ]j  
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subplot(1,2,2); \F-n}Z  
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plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) ^/$dSXKF  
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legend('T_p','T_s','T_n') R)ZzRz|/  
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xlabel('\theta_i') tzfyS#E  
qA\&%n^ j]  
ylabel('Amplitude') ,X1M!'  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 1L+hI=\O  
jMCd`Q]K  
axis([0 90 0 1]) *aC[Tv[-P  
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grid on I\1"E y  
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[attachment=80479] n1 GX` K  
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200833 2017-11-26 22:36
2、光密射向光疏 vea{o 35!  
("ix!\1K@  
clear H! 5Ka#B  
y9]7LETv\M  
close all aMGh$\Pg  
fZr{x$]N0  
n1=1.45,n2=1; k{lo'  
Te~jYkCd  
theta=0:0.1:90; &=*1[j\  
lK7:qo  
a=theta*pi/180; 0tL5t7/Gr  
f4*(rX  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); $H.U ~  
p/Q< VV  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); T^vo9~N*  
B Tj1C  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ~PQR_?1  
r>|S4O  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); OmZZTeGg1s  
9S17Lr*c  
figure(1) UMBeY[ ?  
x1`(Z|RJ  
subplot(1,2,1); k$m'ebrS.~  
9z{}DBA  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) ^Ss <<  
E$4H;SN \  
legend('r_p','r_s','|r_p|','|r_s|') RA!m,"RM  
I4w``""c  
xlabel('\theta_i') yx&}bu\  
a6ryyt 5  
ylabel('Amplitude') .pe.K3G &  
m(:R(K(je  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 2?Ryk`2i)  
NX(IX6^y  
axis([0 90 -1.5 1.5]) e@vZg8Ie  
R+He6c!?9  
grid on @oj_E0i3  
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subplot(1,2,2); .,(x7?  
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plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) | B$JX'_  
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legend('t_p','t_s','|t_p|','|t_s|') il{x?#Wrb  
S/y(1.wh  
xlabel('\theta_i') WuF\{bUh  
h82y9($cZ  
ylabel('Amplitude') #')] ~Xa  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) KYKF$@ <G  
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axis([0 90 -0.5 3]) -V@ST9`  
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grid on j!Ys/ D  
Bs`='w%7  
Rp=abs(rp).^2; x~8R.Sg  
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Rs=abs(rs).^2; +|+fDQI  
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Rn=(Rp+Rs)/2; 54TWFDmGi  
Qd% (]L[N.  
Tp=1-Rp; X%iqve"{nB  
L7(.dO0C  
Ts=1-Rs; =8p[ (<F=  
9S'\&mRl  
Tn=(Tp+Ts)/2; Cx(HsJ! ,  
E6G;fPd= E  
figure(2) j9RpYz  
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subplot(1,2,1); PiR`4Tu  
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plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) -ECnX/ "  
C;70,!3  
legend('R_p','R_s','R_n') WYCDEoqU2  
/n,a0U/  
xlabel('\theta_i') biffBC:q  
P:X X8&#  
ylabel('Amplitude') r[j@@[)"  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) j}jU.\*v<  
hiR+cPSF  
axis([0 90 0 1]) +`m0i1uI3  
zn*i  
grid on ;lTgihW-  
waV4~BdL  
subplot(1,2,2); n1+J{EPH  
9@Z++J.^y  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) ;%u)~3B$JK  
KHaYb5(a[  
legend('T_p','T_s','T_n') Dp@m"_1`+  
)OGO wStz  
xlabel('\theta_i') a[lx&CHgI  
yAel4b/}  
ylabel('Amplitude') EJaO"9 (  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 1tpt433  
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axis([0 90 0 1]) wLQM]$O  
zfml^N  
grid on ju"j?2+F  
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[attachment=80481] *K=me/ 3  
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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 1 Xu^pc  
jabil 2025-03-07 09:40
Thanks
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