%无中间像，焦距输入为负数 JKM(fX+
function sjr=nfdre(~) 5 qfvHQ ~M
"i ;.>
%系统焦距及各镜间距输入，间距取负正负
]LC4rS
G)? *BH
f=input('f:'); b}R_@_<u
d1=input('d1:'); s0?'mC+p
d2=input('d2:'); rS BI'op
d3=input('d3:'); 4 @-tT;$
-pYmM d,
A=f^2/(d3*d2)-f/d1; ~{ Iw[,MJ
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); >+dS PI
C=d3/d2-f/d1; L K #A
'\#q7YjaL
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 =IMmtO vJ
a2=d3/(a1*f);%α2 ?l9s j]^ w
b2=a1*(1-a2)*f/d2;%β2 #Zm`*s`
b1=(1-a1)*f/(d1*b2);%β1 A`3KE9ED
HqWWWCW al
L[2qCxB'^
%曲率半径 a 20w.6F
w"9h_;'C_
R1=2*f/(b1*b2) KY
R2=2*a1*f/(b2*(1+b1)) JI! 1
.]&
R3=2*a1*a2*f/(1+b2) 5qnei\ ~
,H7_eVLWR
A1=b2^3*(a1-1)*(1+b1)^3; 89&9VX^A
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; qB$-H' j:;
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; 8?nn4]P
Z2]0brV
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); FFw(`[A_
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); fS4foMI63)
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); K]m#~J3d>
` 7iA?;
CB=[C1 B1;C2 B2]; : g|.x
AB=[A1 B1;A2 B2]; X
<xM '
AC=[A1 C1;A2 C2]; 8`*5[ L~~/
}'P |A
%非球面系数 ^s6~*n<fH
k2=-(det(CB)/det(AB));
(sKg*G2
k3=-(det(AC)/det(AB)); LG,? ,%_s
k1=(k2*a1*b2^3*(1+b1)^3-k3*a1*a2*(1+b2)^3+a1*b2^3*(1+b1)*(1-b1)^2-a1*a2*(1+b2)*(1-b2)^2)/(b1^3*b2^3)-1 wMCMrv:
k2=k2 "> Qxb .Y}
k3=k3 vX }iA|`#
pqO3(2F9
end 5>9Q<*
i\IpS@/{-v
%有中间像，焦距输入为正数 bKS/T^UQ
*/K[ B(G
function sjr=yfdre(~) 2@a 'n@-
)isS^O$qH
f=input('f:'); HA O-|=c4
d1=input('d1:'); _ooHB>sH
d2=input('d2:'); VzSkqWF/"
d3=input('d3:'); @TALZk'%
Lmjd,t
A=f^2/(d3*d2)-f/d1; J8~h Iy6]
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); w~B1TfqNo
C=d3/d2-f/d1; F4\:9ws
aZ~e;}w.Zq
a1=(-B-sqrt(B^2-4*A*C))/(2*A); Q I";[
a2=d3/(a1*f); hXI[FICQU{
b2=a1*(1-a2)*f/d2; ODu/B'*
b1=(1-a1)*f/(d1*b2); c(hC'Cp
&;ddnxFI
%曲率半径 -btNwE6[.
&pI\VIx ?
R1=2*f/(b1*b2) |5;,]lbt
R2=2*a1*f/(b2*(1+b1)) v>K |h H
R3=2*a1*a2*f/(1+b2) Tr;.%/4Q
dwB#k$VIOw
A1=b2^3*(a1-1)*(1+b1)^3; ^r}Uu~A>
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; x} a?B
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2;
%t_'rv
qsp3G7\'=
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); TgV-U
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); A&1EOQ=N
C2=b2*(a1-1)^2*(1+b1)*(1-b1)^2/(4*a1*b1^2)-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)*(1-b2)^2/(4*a1*a2*b1^2*b2^2)-b2*(a1-1)*(1-b1)*(1+b1)/(a1*b1)-(a2*(a1-1)+b1*(1-a2))*(1-b2)*(1+b2)/(a1*a2*b1*b2)-b1*b2+b2*(1+b1)/a1-(1+b2)/(a1*a2); 0i[t[_sce
1R-0b{w[
CB=[C1 B1;C2 B2]; ypM,i
AB=[A1 B1;A2 B2]; E*)A!2rlK
AC=[A1 C1;A2 C2]; iOa<=
9*iVv)jd
%二次系数 VT>-*
n2*Ua/J-8
k2=-(det(CB)/det(AB)); E7h@c>IK
k3=-(det(AC)/det(AB)); jR1^e$
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 qX5]\nX&G
k2=k2 (1S9+H>g
k3=k3 0 F8xS8vK+
w:B&8I(n}w
end
