| 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 jck}" N
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clear 9]q:[zm^
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close all 23 ~ Sjr
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n1=1.45,n2=1; Kq i4hK
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theta=0:0.1:90; */|BpakD<
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a=theta*pi/180; M (/r%-D
B^g ?=|{
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); )7h$G-fe
2 RSt)3!},
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 8By|@LO
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tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); l\C.",CEcc
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ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 9-MUX^?u
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arp=angle(rp); T#>7ub
KZ/=IP =
ars=angle(rs); 8 @tV9+u
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atp=angle(tp); R=j I ?p
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ats=angle(ts); I'Ln I*
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figure(1) %f]:I
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subplot(1,2,1); Mxv;k%l|E|
AJ=qn a
plot(theta,arp,'-',theta,ars,'--','LineWidth',2) soQ1X@"0
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legend('arg(r_p)','arg(r_s)') Y=Kc'x[,Zj
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xlabel('\theta_i') OynXkH]0T+
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ylabel('\phi') %
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) \ZkA>oO".
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axis([0 90 -3.5 3.5]) _WRFsDZ'
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grid on JT!9\i
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subplot(1,2,2); Y/*m US[oa
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plot(theta,atp,'-',theta,ats,'--','LineWidth',2) %4gg@Z9
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legend('arg(t_p)','arg(t_s)') Hhcpp7cr'
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xlabel('\theta_i') ] jo1{IcI
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ylabel('\phi') 7Mg=b%IYs
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) )% ~OH
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axis([0 90 -3.5 3.5]) UdpF@Q
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grid on K/|Z$4S
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