| 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 7EAkY`Op
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clear Eo }m Sd
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close all J<{@D9r9<~
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n1=1.45,n2=1; = ,=t Sp
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theta=0:0.1:90; G6b\4}E
w oqP&8a
a=theta*pi/180; c|'hs
:A{ US9D
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); #Mz N7
=K)au$BE|
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); 4V`ypFme
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tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); v&EHp{8Qd
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ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); u&>o1!c*P
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arp=angle(rp); Y`u.P(7#
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ars=angle(rs); 0r+%5}| -K
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atp=angle(tp); >_y>["u6J#
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ats=angle(ts); ;ml;{ <jI
K6.*)7$#
figure(1) DaW_-:@s
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subplot(1,2,1); RJ%~=D
\DE`tkV8
plot(theta,arp,'-',theta,ars,'--','LineWidth',2) Cp_YIcnEJ
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legend('arg(r_p)','arg(r_s)') GJA3
yS#LT3>l
xlabel('\theta_i') L`ZH.fN
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ylabel('\phi') SL c6 ]?
}Jgz#d
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) rBP!RS l1
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axis([0 90 -3.5 3.5]) ! m$OI:rr
~h;c3#wuc
grid on '(kySf[
MS6^= ["
subplot(1,2,2); '$M=H.
"~4ULl< i'
plot(theta,atp,'-',theta,ats,'--','LineWidth',2) `n7z+
M[0@3"}}
legend('arg(t_p)','arg(t_s)') B _[^<2_
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xlabel('\theta_i') Gt[!q\^?
f 4zd(J
ylabel('\phi') & h9ji[
X+{4,?04+
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Od'!v &
0 )#5_-%
axis([0 90 -3.5 3.5]) W:P4XwR{
]7R OCJ;
grid on :JSOj@s
_EOQ*K#=Ct
[attachment=80482]
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