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| 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 yRivf.wH >l b9 j>
 clear 2"QcjFW%
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 close all %0zp`'3Y
 Nh01NY;
 n1=1.45,n2=1; ~bqw !rz
 RGLJaEl	!
 theta=0:0.1:90; '=+gweM
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 a=theta*pi/180; +V9 (4la
 98maQQWD
 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.
 Xb~i?T;f
 tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); Byh!Snoe
 QuBA'4ht
 ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 6st^-L
 R_=fH\c;
 arp=angle(rp); Qoa&]]
 9aYVbq""
 ars=angle(rs); QBCEDv&j
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 atp=angle(tp); ezA&cZ5
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 ats=angle(ts); dtBr#Te
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 figure(1) T3Sz<K$E
 .7+"KP:
 subplot(1,2,1); #"-DE-I[
 mMT\"bb'
 plot(theta,arp,'-',theta,ars,'--','LineWidth',2) w^	X@PpP
 g)}q3-<AK>
 legend('arg(r_p)','arg(r_s)') e35 ")z~
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 xlabel('\theta_i') %Q=rm!Syv
 %v0;1m
 ylabel('\phi') ex.^V	sf_
 od^o9(.W^
 title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) hbSKlb0d
 +1a2Un
 axis([0 90 -3.5 3.5]) Y=/;7T
 -,ojZFyRi
 grid on R ^"*ut
 #+
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 subplot(1,2,2); T#KVN{O
 ;)vs=DK:)
 plot(theta,atp,'-',theta,ats,'--','LineWidth',2) z"*3p8N
 Xif>ZL?aXb
 legend('arg(t_p)','arg(t_s)') (S_1C,
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 xlabel('\theta_i') [;#^h/5E
 pS8`OBenA
 ylabel('\phi') (e32oP"
 ^vZu[m
 title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) E?jb?
 miV 8jaV
 axis([0 90 -3.5 3.5]) <!-#]6
 )o;n2T#O
 grid on -h 21
 X=VaBy4#
 [attachment=80482]
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