| 200833 |
2017-11-26 22:37 |
利用MATLAB光学仿真（2）
计算光波由光密入射到光疏介质时相位变化 L0\97AF
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clear 6#egy|("nF
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close all q8U*
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n1=1.45,n2=1; k 7 !{p
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theta=0:0.1:90; g. V6:>,
% 1E:rw@
a=theta*pi/180; Qqt<
nwH'E
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); >Ux5UD
@ lo6?9oNo
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); cR 0+`&
9E ryHV|
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); }O+F#/6
Ey5E1$w%&
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); x.Sq2rw]V
EeW %5/;
arp=angle(rp); ET ;=o+\d
yQkj4v{
ars=angle(rs); 2yYq/J
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atp=angle(tp); =c{ / Z
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ats=angle(ts); &. sfu$]
\}O'?)(1
figure(1) ?S9!;x<
ifA{E}fRZP
subplot(1,2,1); X@$x(Zc
X{SD3j=G#
plot(theta,arp,'-',theta,ars,'--','LineWidth',2) aE0yO#=
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legend('arg(r_p)','arg(r_s)') FKU$HQw*
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xlabel('\theta_i') Z4U8~i
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ylabel('\phi') 1b)^5U ;
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) _<?lP$Xr
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axis([0 90 -3.5 3.5]) GT|=Kx$;
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grid on ocwh*t)<k
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subplot(1,2,2); XP
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w x
plot(theta,atp,'-',theta,ats,'--','LineWidth',2) jPG&Ypm1
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legend('arg(t_p)','arg(t_s)') vas
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xlabel('\theta_i') ^+CTv
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ylabel('\phi') I 2JE@?
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ejYJOTT{^
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axis([0 90 -3.5 3.5]) o,a 3J:j]
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grid on q .L0rY !
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[attachment=80482]
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