| 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 W#P\hx
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clear %?gG-R
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close all h?SRX_
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n1=1.45,n2=1; 2 >O [Y1
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theta=0:0.1:90; HSG Ln906
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a=theta*pi/180; U; m@
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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)); /K&9c
!]$C
m6BUKX\m
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); ]YhQQH1> ]
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tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); aQx6;PC
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ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); o<!H/PN
mp$IhJ6#
arp=angle(rp); |f$+|9Q?
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ars=angle(rs); `f~bnL
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atp=angle(tp); UG`~RO
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ats=angle(ts); `0]N#G
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figure(1) RNB&!NC
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subplot(1,2,1); 5O]t kHYR
#!O)-dyF
plot(theta,arp,'-',theta,ars,'--','LineWidth',2) @B >D>B
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legend('arg(r_p)','arg(r_s)') sd%) g<t
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xlabel('\theta_i') 18F}3t??
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ylabel('\phi') +5|k#'%5
tb~E. Lm\
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) +fboTsp% H
(y!bvp[" m
axis([0 90 -3.5 3.5]) M 1 m]1<
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grid on aB;f*x
w>X@
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subplot(1,2,2); ^\B4]'+^j
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plot(theta,atp,'-',theta,ats,'--','LineWidth',2) \)u A:v
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legend('arg(t_p)','arg(t_s)') Jb*QlsGd
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xlabel('\theta_i') =ZURh_{xV
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ylabel('\phi') v?]a tb/h`
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) uQ_C<ii"W
dI%jR&.e;
axis([0 90 -3.5 3.5]) $-UVN0=
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grid on fNAW4I I}
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[attachment=80482]
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