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200833 2017-11-26 22:33

利用MATLAB光学仿真（1）

利用菲涅尔公式计算光波在两种介质表面折反射率及折反射能流密度 \: H&.VQ"  
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1、光疏射向光密 V `V Z[  
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clear 6@-VLO))O  
Y"&&=M#  
close all KZ/U2.{O<  
vMsb@@O\\  
n1=1,n2=1.45; :,$:@  
9-Bp=M  
theta=0:0.1:90; i0 ax`37  
!5Ko^:+Y  
a=theta*pi/180; /s3AZ j9  
Iaf"j 2B  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); 2T &<jt  
YFD'&N,sx  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); q/Dc*Qn m  
}qlU  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); LlP_`fA  
AvdxDN  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); , ;L  
 h&\%~LO.  
figure(1) I"4j152P|  
.'C$w1[w  
subplot(1,2,1); 7@u0;5p|  
O1pBr=+j+{  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) pOlo_na}[  
P8DY*B k  
legend('r_p','r_s','|r_p|','|r_s|') l@Vl^f~P  
Ep/4o< N(  
xlabel('\theta_i') `#&pB0.y  
Ml` f+$  
ylabel('Amplitude') 7pDov@K<{  
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title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 1>OfJc(K  
77- Jx`C  
axis([0 90 -1 1]) ?y82S*sb#  
[6Y6{.%~  
grid on W-:gU!{*#  
U`_(Lq%5W  
subplot(1,2,2); mw9;LNi\D  
`JyTS~v$  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) Tx%6whd/'  
E]`)  
legend('t_p','t_s','|t_p|','|t_s|') Bi9b"*LN  
Fx2z lM&  
xlabel('\theta_i')  &o$E1;og  
'awL!P--  
ylabel('Amplitude') /gZrnd?  
(SV(L~ T_  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) |[n-H;0  
YRF%].A%2  
axis([0 90 0 1]) ^~Nz8PCY  
A6Ttx{]  
grid on =D.M}x qo  
,@ A1eX}  
Rp=abs(rp).^2; 8FyJo.vr(  
8`Fo^c=j  
Rs=abs(rs).^2; 59gt#1k  
6>ZUx}vYj  
Rn=(Rp+Rs)/2; Ql sMMIax  
xoI;s}*E  
Tp=1-Rp; S0nBX"$u  
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Ts=1-Rs; az@{O4  
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Tn=(Tp+Ts)/2; Jr m<u t  
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figure(2) \tTZ N  
Bsi HVr  
subplot(1,2,1); Wf/Gt\?  
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plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) iLw O4i  
2C^/;z  
legend('R_p','R_s','R_n') Q{6Bhx *>  
P]:r'^Yn  
xlabel('\theta_i') )K.~A&y@  
UR6.zE4=_  
ylabel('Amplitude') {aP5Mem  
 b=v  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) z/u;afB9q  
cmF&1o3_  
axis([0 90 0 1]) $A\fm`  
]kA0C~4   
grid on YG ,  
|SC^H56+  
subplot(1,2,2); 6j{9\ R  
MIvAugUOl  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) rlr)n\R#  
2iHD$tw  
legend('T_p','T_s','T_n') 0FmYM@Wc  
O\;Z4qn2=  
xlabel('\theta_i') U8L%=/N>B  
hI*gw3V  
ylabel('Amplitude') PPO*&=!]  
@Z> {/  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 5BnO-[3  
i:W.,w%8  
axis([0 90 0 1]) $j*%}x~[  
7K3S\oPej  
grid on <EFA^,3t%  
UN#XP$utY  
[attachment=80479] \}Fx''  
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[attachment=80478] oLK-~[p  
200833 2017-11-26 22:36
2、光密射向光疏 I$!rNfrs  
GJN"43  
clear  (c;F%m|  
cM%I5F+n  
close all v3!oY t:l  
|}N -5U  
n1=1.45,n2=1; DXu915  
QcJ?1GwA"  
theta=0:0.1:90; xtW Q.  
Oz(0$c  
a=theta*pi/180;  SyFw  
 734)s  
rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); ("-Co,4ey  
[.Vy  
rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); g&eIfm  
]OIB;h;3  
tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); t}L kl(  
Qgx9JJ>  
ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); KvENH=oh  
=K'X:UM  
figure(1) ZDEz&{3U;  
jMv qKJ(<  
subplot(1,2,1); " &2Kvsz  
y%%D="  
plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) <QbD ;(%  
K ZoIjK]  
legend('r_p','r_s','|r_p|','|r_s|') G J"S*30  
hG~4i:p <  
xlabel('\theta_i') rTTde^^_  
02B *cz_K  
ylabel('Amplitude') YaiogA  
]DVZeI03@  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) 'J\nvNm  
<q@/ Yy32  
axis([0 90 -1.5 1.5]) 52Sq;X  
+KV?W+g)`  
grid on ;e,_F/@`  
.j"iJ/  
subplot(1,2,2); .Z%y16)T  
P^9y0Q  
plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) x!5b" "  
l;{n" F  
legend('t_p','t_s','|t_p|','|t_s|') <u "xHl8Io  
f_A'.oq+  
xlabel('\theta_i') x\( @ v  
7A:k  
ylabel('Amplitude') 7#/->Y  
c;siMWw;  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) ay~c@RXW  
wW2b?b{*Z  
axis([0 90 -0.5 3]) XC 44]o4jx  
Fg` P@hC  
grid on f</'=k  
= iJfz  
Rp=abs(rp).^2; }%e"A4v  
a)L\+$@*  
Rs=abs(rs).^2; E"i<fr T  
eCejO59F9  
Rn=(Rp+Rs)/2; >]b>gc?3  
NTq#'O) f  
Tp=1-Rp; Buxn!s  
2=R}u-@6p  
Ts=1-Rs; p7SX,kpt>  
^7b[s pqE  
Tn=(Tp+Ts)/2; 5&Y%N(  
h>0R!Rl8  
figure(2) qH 1k  
Evjvaa^  
subplot(1,2,1); Tt^PiaS!  
Z"ce1cB  
plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) }G{'Rb  
o`tOnwt  
legend('R_p','R_s','R_n') 7E0L-E=.  
n,,hE_  
xlabel('\theta_i') *yx5G-#?  
wl^7.IR  
ylabel('Amplitude') (w1M\yodV  
v w.rkAGY  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Kp]\r-5UD>  
>JSk/]"  
axis([0 90 0 1]) &- 5`Oln  
^4G%*-   
grid on 8%+F.r  
Ca2He}r`  
subplot(1,2,2); OEZ`5"j  
J&hzr t  
plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) *|Bu7nwg  
[ GcH4E9r  
legend('T_p','T_s','T_n') 'R-Ly^:Qd  
i>*|k]  
xlabel('\theta_i') Xa,d"R~  
NA :_yA"  
ylabel('Amplitude') E*B6k!:  
BB$(0mM^  
title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) # dA-dN  
Z 91{*?  
axis([0 90 0 1]) `/e EdqT  
sY- ] Q  
grid on >$/<~j]  
5YV3pFz$)  
[attachment=80481]  AhyV  
YK{E=<:  
[attachment=80480]
大博归来 2017-11-27 08:03
感谢楼主分享
hit2011 2017-12-02 14:58
这个在《MATLAB在光学中的应用》这本书里都有
direwolf100 2017-12-05 22:34
谢谢了楼主分享
jabil 2022-03-07 13:54
thanks
cici2015 2022-08-03 07:32
谢谢了楼主分享
13428299720 2023-07-21 20:02
学习学习
lalallaal 2025-02-28 10:13
学习学习 {aoG60N  
jabil 2025-03-07 09:40
Thanks
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