透射率随入射角变化的程序
na=;nb=;n1=1;n2=1;
d=1064;
for c5=0::90;
c3=c5*pi/180;
c1=asin(n1*sin(c3)/na);c2=asin(na*sin(c1)/nb);c4=asin(nb*sin(c2)/n2);
d1=1064;
a=d1/(4*na);b=d1/(4*nb);
Ba=2*pi*na*a*cos(c1)/d;
Bb=2*pi*nb*b*cos(c2)/d;
f=4*pi*1e-7;
e=1e-9/(36*pi);
m=sqrt(e/f);
za=m*cos(c1)*na;zb=m*cos(c2)*nb;z1=f*cos(c3)*n1;z2=f*cos(c4)*n2;
p1=cos(Bb);p2=-i*sin(Bb)/zb;p3=-i*zb*sin(Bb);p4=cos(Bb);
P=[p1 p2;p3 p4];
q1=cos(Ba);q2=-i*sin(Ba)/za;q3=-i*za*sin(Ba);q4=cos(Ba);
Q=[q1 q2;q3 q4];
O=Q*P;
O1=O^27;
O11=O1(1,1);O12=O1(1,2);O13=O1(2,1);O14=O1(2,2);
z1=sqrt(e/f)*n1*cos(c3);z2=sqrt(e/f)*n2*cos(c4);
t=2*z1/(z1*(O11+z2*O12)+O13+z2*O14);
r=(z1*(O11+z2*O12)-O13-z2*O14)/(z1*(O11+z2*O12)+O13+z2*O14);
t1=abs(t);
r1=abs(r);
s=c5*2+1;
k(1,s)=t1;
end
c5=0::90;
plot(c5,k)
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