| 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 _BA_lkN+D
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clear 6_
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close all DG
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n1=1.45,n2=1; Nm.>C4
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theta=0:0.1:90; c|a|z}(/J
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a=theta*pi/180; u1Yp5jp^K
h>Pg:*N,(
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); cCCplL
(:muxby%
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); x5Pt\/ow
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tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); uk/+
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ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ?pY !sG
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arp=angle(rp); 4V3
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ars=angle(rs); W"@lFUi
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atp=angle(tp); aRP+?}b">
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ats=angle(ts); X '4
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figure(1) LK5H~FK
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subplot(1,2,1); Mdh"G @$n
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plot(theta,arp,'-',theta,ars,'--','LineWidth',2) {G&g+9 c&
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legend('arg(r_p)','arg(r_s)') @S92D 6
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xlabel('\theta_i') kl9z;(6p
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ylabel('\phi') E e&$9 )t
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 4BtdN-T}b
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axis([0 90 -3.5 3.5]) \LXC269
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grid on Tq8r
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subplot(1,2,2); Q(3 x"+
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plot(theta,atp,'-',theta,ats,'--','LineWidth',2) Shd,{Z)-Tg
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legend('arg(t_p)','arg(t_s)') /X B1U[b
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xlabel('\theta_i') _F E F+I
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ylabel('\phi') L]}|{< 3\
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) A-$BB=Ot
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axis([0 90 -3.5 3.5]) '3->G/ Pu
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grid on |_*1/Wz@
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[attachment=80482]
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