%无中间像，焦距输入为负数 PVAs# ~
function sjr=nfdre(~) 7y",%WYSD
H6<\7W89y
%系统焦距及各镜间距输入，间距取负正负 `pp"htm
PI7M3\z
f=input('f:'); {nH.
_
d1=input('d1:'); Pnb?NVP!^9
d2=input('d2:'); f-5vE9G3y7
d3=input('d3:'); dQ*3s>B[
NpRT\cx3
A=f^2/(d3*d2)-f/d1; [YT"UVI
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); F+vgkqs@9
C=d3/d2-f/d1; @] .Ko[P~
tzv&E0 |d
a1=(-B+sqrt(B^2-4*A*C))/(2*A);%α1 uS3 s
a2=d3/(a1*f);%α2 ]A;zY%>
b2=a1*(1-a2)*f/d2;%β2 N|e us3\E
b1=(1-a1)*f/(d1*b2);%β1 M*)}F
^s25z=^t
ZHxdrX)
%曲率半径 g/+P]c6/
E K ks8
R1=2*f/(b1*b2) I:s#,! >
R2=2*a1*f/(b2*(1+b1)) Bb];qYuCO
R3=2*a1*a2*f/(1+b2)
4LYeacL B
YPAMf&jEF
A1=b2^3*(a1-1)*(1+b1)^3;
WpX)[au
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; 9)p VDS
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; uX@RdkC
4oLrCQZ\
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); u"-q"0
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); +Io^U
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); * a xOen
I%(`2 rD8G
CB=[C1 B1;C2 B2]; wm |{@z
AB=[A1 B1;A2 B2]; +*[lp@zU{
AC=[A1 C1;A2 C2]; q4$zsw
bH+p5Fd;
%非球面系数 t&( }`W
k2=-(det(CB)/det(AB)); E zK,SN#
k3=-(det(AC)/det(AB)); f.0~HnN g1
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 I.I:2E w+
k2=k2 2.O;
k3=k3 ~4o2!! ^tI
ppIMaP
end 9J_lxy}
ny17(Y =
%有中间像，焦距输入为正数 +_uT1Ps BY
!+& "y K@J
function sjr=yfdre(~) $trvNbco
F*hOa|7/
f=input('f:'); [gFpFz|b<
d1=input('d1:'); [;II2[5 ,
d2=input('d2:'); _*B]yz6z
d3=input('d3:'); t {tcy$bw
%..{ c#V
A=f^2/(d3*d2)-f/d1; ',nGH|K.
B=f/d1-f/d2+f/d1+f/d3-d3*f/(d3*d2); )r-t$ L
C=d3/d2-f/d1; #
)-Kf
!"B0z+O>
a1=(-B-sqrt(B^2-4*A*C))/(2*A); U/&!F
a2=d3/(a1*f); MGeHccqh2
b2=a1*(1-a2)*f/d2; 2'tZ9m K
b1=(1-a1)*f/(d1*b2); A-r-^S0\
kL,bM.;
%曲率半径 49&p~g
! FbW7"y E
R1=2*f/(b1*b2) HMJx[ yD
R2=2*a1*f/(b2*(1+b1)) l'T3RC,\
R3=2*a1*a2*f/(1+b2) Fy8KZWim
W} V L 3s
A1=b2^3*(a1-1)*(1+b1)^3; ,%e.nj9
B1=-(a2*(a1-1)+b1*(1-a2))*(1+b2)^3; g@hg u
C1=(a1-1)*b2^3*(1+b1)*(1-b1)^2-(a2*(a1-1)+b1*(1-a2))*(1+b2)*(1-b2)^2-2*b1*b2; y
?]G OQI
%qL0=ad
A2=b2*(a1-1)^2*(1+b1)^3/(4*a1*b1^2); 1 *'SP6g
B2=-(a2*(a1-1)+b1*(1-a2))^2*(1+b2)^3/(4*a1*a2*b1^2*b2^2); K.G}*uy
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); O]RP ?'vO
Ej>5PXp'2
CB=[C1 B1;C2 B2]; {tMpI\>S
AB=[A1 B1;A2 B2]; B! H4 6 w~
AC=[A1 C1;A2 C2]; AB40WCu]*
K 5No6dsD
%二次系数 | =2E?&%?
Xu $_%+46
k2=-(det(CB)/det(AB)); <Hl.MS
k3=-(det(AC)/det(AB)); Bh?K_{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 _x_om#~n
k2=k2 } Wjb0V
k3=k3 .^8 x> ~
=z^v)=uhp
end
