| 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 QST-!`]v
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clear 0U:9&j P,
/6p7 k
close all 8#a2 kR<b
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n1=1.45,n2=1; BctU`.
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theta=0:0.1:90; =,Lh My
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a=theta*pi/180; [2zS @p
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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)); F #7A6|
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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)); +*$@ K'VL
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tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); 1=Q3 WMT
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ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); .^uYr^( |[
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arp=angle(rp);
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ars=angle(rs); ZDl(q~4?z
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atp=angle(tp); > J@ hqW
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ats=angle(ts); /;r k-I
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figure(1) >*[Bq;
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subplot(1,2,1); 8 @4)p.{5I
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plot(theta,arp,'-',theta,ars,'--','LineWidth',2) :jljM(\
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legend('arg(r_p)','arg(r_s)') iY4FOt7\
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xlabel('\theta_i') {t<U :*n2
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ylabel('\phi') +;wu_CQu
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) iK uSk~
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axis([0 90 -3.5 3.5]) :g=z}7!s
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grid on mkOj& Q
*%xmCP J
subplot(1,2,2); Q[N6# C:(4
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plot(theta,atp,'-',theta,ats,'--','LineWidth',2) J ri"Toz0
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legend('arg(t_p)','arg(t_s)') .ahYj n
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xlabel('\theta_i') geRD2`3;
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ylabel('\phi') C~dD'Tq]
} ^
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) @.Pe .\Z
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axis([0 90 -3.5 3.5]) lnoK.Vk9,
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grid on a,sU-w!X'
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[attachment=80482]
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