%无中间像，焦距输入为负数 6S\ 8$
function sjr=nfdre(~) ws^ np
Xb, 3Dvf
%系统焦距及各镜间距输入，间距取负正负 61
~upQaR
{kAc(
f=input('f:'); Dn }Jxu'(
d1=input('d1:'); ! 5?<% *
d2=input('d2:'); T9q-,w/j;
d3=input('d3:'); P
L+sR3bR
&
"B=/-(
A=f^2/(d3*d2)-f/d1; dGTsc/$
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); '$QB$2~V
C=d3/d2-f/d1; r/*D:x|yN
?b5 ^
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 S>;
5[l 4
a2=d3/(a1*f);%α2 eKqk= (
b2=a1*(1-a2)*f/d2;%β2 VgS_ s k
b1=(1-a1)*f/(d1*b2);%β1 ?@
$r
y$R_.KbO
vgN&K@hJ
%曲率半径 Y:)e(c"A
*G 9V'9
R1=2*f/(b1*b2) |IUWF%~^$+
R2=2*a1*f/(b2*(1+b1)) XHGFf_kW_N
R3=2*a1*a2*f/(1+b2) 5.J.RE"M
vEz"xz1j!]
A1=b2^3*(a1-1)*(1+b1)^3; *s iFj
CN<
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; N= g"( %
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; &XUiKnNW
qA 5r
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); {P#|zp 4C{
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); Hg (Gl
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); 1hNq8 *|
j^2j& Ta
CB=[C1 B1;C2 B2]; QoH6
AB=[A1 B1;A2 B2]; iM 3V=&)
AC=[A1 C1;A2 C2]; 0}dpK $.
y Fq&8 x<X
%非球面系数 WvZ8/T'x
k2=-(det(CB)/det(AB)); k~FRD?[u
k3=-(det(AC)/det(AB)); 4#hSJ(~7S
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 D*|Bb?
k2=k2 WQO) = n
k3=k3 .y:U&Rw 4
jsi!fx2Rm
end EI^C{ $Y
KL Xq \{X
%有中间像，焦距输入为正数 PXNh&N
f ZA4q0
function sjr=yfdre(~) Z0r?| G0
nwCrZW
f=input('f:'); 4d;8`66O
d1=input('d1:'); A1zjPG &]
d2=input('d2:'); ]
{HI?V
d3=input('d3:'); q;)JISf.
q{;:Sg Z
A=f^2/(d3*d2)-f/d1; u !qP
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); mU F,@>o
C=d3/d2-f/d1; G+|` 2an
y7 Df_|Z
a1=(-B-sqrt(B^2-4*A*C))/(2*A); ,7K`[
a2=d3/(a1*f); ~Vjl7G\7i
b2=a1*(1-a2)*f/d2; G {%L B}2
b1=(1-a1)*f/(d1*b2); x{/g(r={}
w}cPs{Vi"
%曲率半径
_~ iw[*#u
"o}+Ciul
R1=2*f/(b1*b2) =
6\ ^%
R2=2*a1*f/(b2*(1+b1)) pr UM-u8
R3=2*a1*a2*f/(1+b2) :1KpGj*F
r<Kx0`y
A1=b2^3*(a1-1)*(1+b1)^3; )gy!GK
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; P dt vU-(
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 5 5c|O
U2s /2 [.
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 54li^
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); F;0}x;:>
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); B%+T2=&$7
V-L"gnd&2
CB=[C1 B1;C2 B2];
n$,*|_$#
AB=[A1 B1;A2 B2]; =D#bb <o
AC=[A1 C1;A2 C2]; .$)
9.B
KI/
%二次系数 9ahW IO %
xLH)P<^`C
k2=-(det(CB)/det(AB)); Bad:n o\W
k3=-(det(AC)/det(AB)); *CTlOy
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 !6Mo]xh
k2=k2 0$fpIz
k3=k3 JKGe"
R2]Z kg
end
