%无中间像，焦距输入为负数 meCC?Y AB
function sjr=nfdre(~) HXoX
_$p$")
%系统焦距及各镜间距输入，间距取负正负 NBF MN%
$-&BB(-{E&
f=input('f:'); n=,\;3 Y=
d1=input('d1:'); Cn_$l>
d2=input('d2:'); Q0 \0f
d3=input('d3:'); 8&Myv a
u-1;'a
A=f^2/(d3*d2)-f/d1; {VP$J"\e
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); .)+h H y
C=d3/d2-f/d1; 5o/&T"]@
~h" /Tce
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 !bC+TYsU
a2=d3/(a1*f);%α2 kvh&d|
b2=a1*(1-a2)*f/d2;%β2 /1 R AAa
b1=(1-a1)*f/(d1*b2);%β1 1RKW2RCaW_
T yKWy0x-3
)I\=BPo|B
%曲率半径 vm'5s]kdh
m{7^EF
R1=2*f/(b1*b2) qClHP)<
R2=2*a1*f/(b2*(1+b1)) unJ R=~E
R3=2*a1*a2*f/(1+b2) S2>c#BQ
@VN&t:/ l
A1=b2^3*(a1-1)*(1+b1)^3; # XnPsU<J
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; '<R>E:5
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; )XfzLF7
n9;;x%6 .I
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); v?c 0[+?
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); ]?h`:,]
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); [D HoGy,P
IG?'zppjd6
CB=[C1 B1;C2 B2]; O'GG Ti]e
AB=[A1 B1;A2 B2]; \]9.zlB
AC=[A1 C1;A2 C2]; &3Zy|p4V<
lc6i KFyG
%非球面系数 !WkIi^T
k2=-(det(CB)/det(AB)); SI_i I 71
k3=-(det(AC)/det(AB)); i-U4RZE
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 +
<c^=&7Lq
k2=k2 kGkA:g:
k3=k3 l/y]nw
$^ 'aCU0C
end d x,=Rd5'
$ \*`
}Y
%有中间像，焦距输入为正数 |BZDhd9<{
hSGb-$~F
function sjr=yfdre(~) z^nvMTC
Gq#~vr
f=input('f:'); ! '=15&5@
d1=input('d1:'); |KY EK|
d2=input('d2:'); LwuF0\
d3=input('d3:'); %~NH0oFO
g`k?AM\
A=f^2/(d3*d2)-f/d1; (!5LW '3B
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); nH !3(X*
C=d3/d2-f/d1; L?Yoh<
X~ Rl 6/,
a1=(-B-sqrt(B^2-4*A*C))/(2*A); mq fO4"lt
a2=d3/(a1*f); r,(e t
b2=a1*(1-a2)*f/d2; +]:2\TTGI
b1=(1-a1)*f/(d1*b2); QO{y/{
k;dXOn
%曲率半径 5~XN>>hp
JM.XH7k
R1=2*f/(b1*b2) .w6eJ4 ]
R2=2*a1*f/(b2*(1+b1)) Xj+q~4{|vt
R3=2*a1*a2*f/(1+b2) E3/:.t
d h^^G^
A1=b2^3*(a1-1)*(1+b1)^3; ~9Cz6yF
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; 1on'^8]0
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; fR-C0"c
,}D}oo*
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); $\a5&1rl
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); )< 4 _ :
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); L3(^{W]|
Aw!gSf)
CB=[C1 B1;C2 B2]; V_U'P>_I
AB=[A1 B1;A2 B2]; r!N]$lB
AC=[A1 C1;A2 C2]; *B)yy[8j+
(y4#.vZh:
%二次系数 RBGlzk
Ix DWJ#k
k2=-(det(CB)/det(AB)); %1McD{
k3=-(det(AC)/det(AB)); TB
aVW
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 |-2}j 2'
k2=k2 s]B"qF A
k3=k3 x ;BbTBc >
'3l$al:H^
end
