[分享]利用MATLAB光学仿真（2） [复制链接]

计算光波由光密入射到光疏介质时相位变化 Yud]s~N  
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clear IS *-MLi  
8:9m< ^4S(  
close all [JAHPy=+w  
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n1=1.45,n2=1; ,&>LBdG`  
GE;S5X]X  
theta=0:0.1:90; 3IXai)6U  
+"8 [E~Bih  
a=theta*pi/180; kev|AU (WX  
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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)); 4.7YIM  
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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)); 0vN<0  
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tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); RbPD3&.  
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ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); hY$gzls4  
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arp=angle(rp); ~)5NX 4Po  
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ars=angle(rs); }^|g|xl!  
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atp=angle(tp); 0$RZ~  
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ats=angle(ts); wOW#A}m'vj  
Z>=IP-,>  
figure(1) #2*l"3.$.R  
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subplot(1,2,1); 5^kLNNum  
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plot(theta,arp,'-',theta,ars,'--','LineWidth',2) <(YE_<F*  
% zP]z  
legend('arg(r_p)','arg(r_s)') OIi8x? .~]  
ckn0I  
xlabel('\theta_i') tK@|sZ>3\  
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ylabel('\phi') _+c' z  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) UoDS)(i  
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axis([0 90 -3.5 3.5]) b02V#m;Z  
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grid on 0r<?Ve  
T@K= *p  
subplot(1,2,2); <x&0a$I  
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plot(theta,atp,'-',theta,ats,'--','LineWidth',2) Uh6LU5  
Vq8G( <77  
legend('arg(t_p)','arg(t_s)') }~W:3A{7;  
:/rl \woA>  
xlabel('\theta_i') zN3[W`q+m  
eBlWwUy*6f  
ylabel('\phi') dO?zLc0f  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) '3%JhG)#  
DIsK+1  
axis([0 90 -3.5 3.5]) { XI0KiE  
}j+Af["W?  
grid on `'W/uCpl  
aPU.fER  

做的不错

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