| 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 vm
y?8E6+ fI([vI 1、光疏射向光密 WzwH;! @ppT;9<d clear 3w-0IP]< 2iJ)K rw close all |)vC^=N{+ dvl'Sq< n1=1,n2=1.45; 9h$08l (ndTEnpp theta=0:0.1:90; Jiv%Opo/| [m9Iz!E a=theta*pi/180; <HC5YA)4 |\W9$V rp=(n2*cos(a)-n1*sqrt(1-(n1/n2*sin(a)).^2))./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); yD-L:)@" -J<{NF rs=(n1*cos(a)-n2*sqrt(1-(n1/n2*sin(a)).^2))./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); p]-\\o} ,sqxxq tp=2*n1*cos(a)./(n2*cos(a)+n1*sqrt(1-(n1/n2*sin(a)).^2)); [$<\*d/ ~5Cid)Q}@o ts=2*n1*cos(a)./(n1*cos(a)+n2*sqrt(1-(n1/n2*sin(a)).^2)); i6Kcj CC8)yO figure(1) dpPu&m+ Tt.#O~2:9 subplot(1,2,1); Z@G[\"
\[57Dmo plot(theta,rp,'-',theta,rs,'--',theta,abs(rp),':',theta,abs(rs),'-.','LineWidth',2) _,?<r&>v6 Q2L>P<87T legend('r_p','r_s','|r_p|','|r_s|') H`:2J8 ,3As
Ng xlabel('\theta_i') Duu)8ru 8`{)1.d5[ ylabel('Amplitude') ?E*;fDEC P d"=&Az| title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) Ddr.kXIpo Us.")GiHE axis([0 90 -1 1]) w I7iE4\vz QQPT=_P] grid on C2[* $ 1U I+4#LR3; subplot(1,2,2); vo]!IY WE*L=_zDS plot(theta,tp,'-',theta,ts,'--',theta,abs(tp),':',theta,abs(ts),'-.','LineWidth',2) 6`
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X* legend('t_p','t_s','|t_p|','|t_s|') >OLKaghV.5 P"%QFt, xlabel('\theta_i') E0s|eA& hT0[O ylabel('Amplitude') =1vl-*uYh r+D ?_Lk title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) zarxv|
}$ Ki,SFww8r axis([0 90 0 1]) Y_gMoo vR)f'+_Nz grid on 3bd(.he2u 0'QX*xfa> Rp=abs(rp).^2; GI[TD?s 9Ev<t\B Rs=abs(rs).^2; v><c@a=[ @|2L>N Rn=(Rp+Rs)/2; p|gzU$FWbk %tvP\(]h Tp=1-Rp; N*w6D: [qL{w&R Ts=1-Rs; kF@Z4MB}yr ^xt @ Tn=(Tp+Ts)/2; y v58~w*" k Xg&}n7 figure(2) LJc"T)>$` -`8pahI subplot(1,2,1); '-l.2IUyT k',#T932x1 plot(theta,Rp,'-',theta,Rs,'--',theta,Rn,':','LineWidth',2) 3n!f'" T
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+owl2 legend('R_p','R_s','R_n') iCtDV5 w!eY)p< xlabel('\theta_i') z|$M,?r' !0Mx Bem ylabel('Amplitude') +L,V_z JE*d- title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) =`KA@~XH4 Uk'bOp axis([0 90 0 1]) DuMzK%
ZamOYkRX grid on _m.w5nJ cFZcBiw subplot(1,2,2); &|K9qa~)Y 5<>"d :9 plot(theta,Tp,'-',theta,Ts,'--',theta,Tn,':','LineWidth',2) II'"Nkxd fjd)/Gg legend('T_p','T_s','T_n') }|OwUdE!R9 ,gdud[&|; xlabel('\theta_i') I'E7mb<2 2;w`W58
ylabel('Amplitude') &e6!/y& [0n[ \&
0 title(['n_1=',num2str(n1),',n_2=',num2str(n2)]) |kGQ~:k+P dLfB){>S axis([0 90 0 1]) b]b+PK*h &"?S0S>r! grid on &<LBz| l86gs6> [attachment=80479] bs&>QsI?j ^~;"$=Wf [attachment=80478] ictV7)
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