%无中间像，焦距输入为负数 ;; gK@?hJ
function sjr=nfdre(~) y9;#1:i c
VzRx%j/i
%系统焦距及各镜间距输入，间距取负正负 ) 06iV
9<]a!:!^
f=input('f:'); lZt(&^T
d1=input('d1:'); 6j8 <Q 2
d2=input('d2:'); 6=PiVwI
d3=input('d3:'); M\ +* P,i
Lg` Jp&Kg
A=f^2/(d3*d2)-f/d1; EkKnUD
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); H. J5i~s
C=d3/d2-f/d1; TL) O -
L$Z(+ 6m5
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 OalP1Gy
a2=d3/(a1*f);%α2 )3muPMaY
b2=a1*(1-a2)*f/d2;%β2 DcV<y-`'1
b1=(1-a1)*f/(d1*b2);%β1 8 ]0:1
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X qR{.jF.
ke.7Zp2.R
%曲率半径 76#.F
td(M#a-
R1=2*f/(b1*b2) JAn 1{<Ky
R2=2*a1*f/(b2*(1+b1)) $-@$i`Kf/
R3=2*a1*a2*f/(1+b2) Q)Dwq?
?Nl"sVCo
A1=b2^3*(a1-1)*(1+b1)^3; bEr.nF
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; iTNqWU -o
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; LnMwx#^*
i@<~"~ >]7
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); e.6Dl_
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); (@ea|Fd#4
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); J/4y|8T/y
c%YDt`
CB=[C1 B1;C2 B2]; It
2UfW
AB=[A1 B1;A2 B2]; VvgN3e[
AC=[A1 C1;A2 C2]; Y%v P#>h
wt7.oKbW
%非球面系数 }?O[N }>,m
k2=-(det(CB)/det(AB)); }g,X5v?W
k3=-(det(AC)/det(AB)); &?$ \Y,{
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 ~!
Lw1]&
k2=k2 @&/\r
7
'
k3=k3 *=^[VV!
,e ELRzjl
end (4)3W^/kk?
^L~ [+|
%有中间像，焦距输入为正数 AZ8UXq
WX*cI Cb5
function sjr=yfdre(~) 7L{li-crI
Nz]aaoO4
f=input('f:'); ti;%BS
d1=input('d1:'); S_!R^^ySG9
d2=input('d2:'); q=[U }{
d3=input('d3:'); `p" U
l Z ~+u
A=f^2/(d3*d2)-f/d1; px&=((Z7>
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); ucFw, sB1
C=d3/d2-f/d1; |,fh)vO
]]V^:"ne
a1=(-B-sqrt(B^2-4*A*C))/(2*A); U~g@Tf U;
a2=d3/(a1*f); z`9l<Q/
b2=a1*(1-a2)*f/d2; 59qnE Ii
b1=(1-a1)*f/(d1*b2); chwh0J;
,(hY%M&\
%曲率半径 )K.R\]XR
uf0^E3H
R1=2*f/(b1*b2) #HcI4j:s!
R2=2*a1*f/(b2*(1+b1)) w})NmaT;YF
R3=2*a1*a2*f/(1+b2) ]EX--d<_`
Alh?0 Fk3)
A1=b2^3*(a1-1)*(1+b1)^3; LsotgQ8
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; & ^!v*=z
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; KH)pJG|NY
zuj;T,R;
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); gx&7 3f<J
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); W,'3D~g8
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); /kb$p8!C".
'qlxAYw<f
CB=[C1 B1;C2 B2]; :dbV2'v IQ
AB=[A1 B1;A2 B2]; ^*zW"s
AC=[A1 C1;A2 C2];
bn|DRy
3 \9][S-B
%二次系数 W.GN0(uG
= tP$re";o
k2=-(det(CB)/det(AB)); Bzm. X=U :
k3=-(det(AC)/det(AB)); k%a?SU<f
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 $ACe\R/%
k2=k2 _PdAN= C3
k3=k3 I]UA 0[8X
!%)L&W_
end
