| 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 y Rivf.wH
>l b9 j>
clear 2"QcjFW%
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close all %0zp` '3Y
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n1=1.45,n2=1; ~bq w !rz
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theta=0:0.1:90; '=+gwe M
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a=theta*pi/180; +V9 (4la
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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)); cpm *m"Nk
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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)); mT>RQ .
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tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); Byh !Snoe
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ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 6s t^-L
R_=fH\c;
arp=angle(rp); Qoa&]]
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ars=angle(rs); QBCEDv&j
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atp=angle(tp); ezA&cZ 5
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ats=angle(ts); d t Br#Te
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figure(1) T3Sz<K$E
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subplot(1,2,1); #"-DE-I[
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plot(theta,arp,'-',theta,ars,'--','LineWidth',2) w ^ X@PpP
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legend('arg(r_p)','arg(r_s)') e35 ")z~
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xlabel('\theta_i') %Q=rm!Syv
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ylabel('\phi') ex.^V sf_
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) hbSKlb0d
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axis([0 90 -3.5 3.5]) Y=/;7T
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grid on R ^"*ut
#+
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subplot(1,2,2); T#KVN{O
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plot(theta,atp,'-',theta,ats,'--','LineWidth',2) z"*3p8N
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legend('arg(t_p)','arg(t_s)') (S_1C,
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xlabel('\theta_i') [;#^h /5E
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ylabel('\phi') (e 32oP"
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) E?jb?
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axis([0 90 -3.5 3.5]) <!-#]6
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grid on -h 2 1
X=VaBy4#
[attachment=80482]
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