| 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 < NY^M!
Et_bH%0
clear 6Pnjm w.HV
gs[uD5oo <
close all ?=7 cF
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n1=1.45,n2=1; ,-LwtePJ0
`?rSlR@+[I
theta=0:0.1:90; B]wk+8SMY.
2wg5#i
a=theta*pi/180; ZQsJL\x[UK
~W '{p
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); e]"W!K cD9
OZF
rtc+
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); =o(5_S.u;
XEp{VC@=
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); !Pvf;rNI1T
0S_~ \t
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); %XDc,AR[
/t57!&
arp=angle(rp); D/ xbF`
10~ k2{Z
ars=angle(rs); VA> 3 5w
(N6 i4
g6
atp=angle(tp); %lhEM}Sm
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ats=angle(ts); (Z q/
G6P?2@
figure(1) ZY= {8T@
x"=f+Mr
subplot(1,2,1); iN\4gQ!
X/!o\yyT
plot(theta,arp,'-',theta,ars,'--','LineWidth',2) rQs)O<jl
8I?Wt
W
legend('arg(r_p)','arg(r_s)') mHTXni<!
-#[a7',Z;
xlabel('\theta_i') WR bj01v
l`{\"#4
ylabel('\phi') $y &E(J
+F` S>U
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ;-lXU0}&
faX #**r
axis([0 90 -3.5 3.5]) .Iw AK/QS
DB|Y
grid on *b}HNX|
w~A{(-
dx
subplot(1,2,2); YeL#jtC
BWa , f8
plot(theta,atp,'-',theta,ats,'--','LineWidth',2) )h 4 f\0
QB u MJm
legend('arg(t_p)','arg(t_s)') =p O^7g
;>yxNGV`
xlabel('\theta_i') gIa+5\qYY
cWaSn7p !X
ylabel('\phi') =E 4LRKn
g" DG]/ev
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) a=9:[
ay
;S4c/_
axis([0 90 -3.5 3.5]) gMmaK0uhS
!4R WYMV "
grid on L: j<c5
vhW2PzHFRi
[attachment=80482]
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