试着做了个三片型的照相物镜,根据郁道银老师编写的《光学工程》进行理论计算,焦点的位置在91.7407.模型建立后用ASAP进行仿真,采用FOCUS命令得出焦点最佳位置为99.65395,仿真结果和理论结果差别有点大,不知道什么原因,大家共同分析下,找下原因所在。代码如下: c'(]n]a%
SYSTEM NEW .O,gl$y}
RESET W35nnBU
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UNITS UM
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WAVELENGTH 0.85 UM tL3(( W"
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R1=26.67 S\f^y8*<
R2=189.67 JRNyvG>j
R3=-49.66 b&e?
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R4=25.47 ~pw_*AN
R5=72.11 ,fNiZ
R6=-35.00 rLVAI#ci=
D1=5.2 u )ld
D2=7.95 _&:o"""Wf
D3=1.6 '6aH*B:}*;
D4=6.7 dxU[>m;
D5=2.8 _I-0[w
T=R2+D1-R1 WL7:22nSHa
BT=.8 &zm5s*yNt
Y6CadC
Y3=(R6^2-(R6+D5)^2)/(2*(-R6)+2*(-R6+D5)) sF|lhLi
W3=SQRT(R6^2-(R6+Y3)^2) T"0a&.TLj
® W3 Kc(_?`
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THTA=((R2)^2+(T)^2-(R1)^2)/(2*R2*T) ;;U2I5 M7
L=R2*THTA YnNei 7R
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R=SQRT(R2^2-L^2) c8yD-U/-
D_DIS=49.93822 (0k0gq;
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MEDIA S ^n:O
1.6140 'M1' ~svu0[Vx
1.6745 'M2' yRy9*r=
1.6140 'M3' K'71uW>
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COATING PROPERTIES 5}By2Tx
0 1 'T' ";zl6g"
0 0 'D' %+'&$
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SURFACE J=Jw"? f
OPTICAL Z 0 (R1) 0 ELLIPSE (R) (R) Jv7M[SJ#x
OBJECT 'F' Rc6Rk!^
INTERFACE COATING T M1 AIR =N3~2=g~A
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SURFACE P]y5E9 k
OPTICAL Z (D1) (R2) 0 ELLIPSE (R) (R) ,= PDL
OBJECT 'B' ;or> Sh7
INTERFACE COATING T M1 AIR XM)|v |
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SURFACE ^oP]@r"qy
OPTICAL Z (D1+D2) (R3) 0 ELLIPSE (R*BT) (R*BT) *yJb4uALB
OBJECT 'F2' =CJs&Qa2
INTERFACE COATING T M2 AIR ;1y\!f3#V~
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SURFACE )XNcy"
OPTICAL Z (D1+D2+D3) (R4) 0 ELLIPSE (R*BT) (R*BT) $iB(N ZV
OBJECT 'B2' BpKP]V
INTERFACE COATING T M2 AIR 9R E;50h
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SURFACE ;3-ssF}k*
TUBE Z (D1+D2/2) (R*BT) (R*BT) (D1+D2+D3*5) (R*BT) (R*BT) 0(..]\p^d
OBJECT 'FB2' Mu:H'$"'H
INTERFACE COATING D M2 AIR %?cPqRHJ ~
BOUNDS -.2 +.3 n%O`K{86
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SURFACE eygyVhJ
OPTICAL Z (D1+D2+D3+D4) (R5) 0 ELLIPSE (W3) (W3) ]:f1r8<3p
OBJECT 'F3' R0+m7mx#E
INTERFACE COATING T M3 AIR 'IgtBd|K>
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SURFACE I4)vJ0
OPTICAL Z (D1+D2+D3+D4+D5) (R6) 0 ELLIPSE (W3) (W3) HY42G#^
OBJECT 'B3' w gufk{:
INTERFACE COATING T M3 AIR =GpLlJ`-
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SURFACE O8lOr(|l
TUBE Z (D1+D2+D3+D4) (W3) (W3) (D1+D2+D3+D4+D5) (W3) (W3) %? g]{
OBJECT 'FB3' K}zw%!ex
INTERFACE COATING D M3 AIR `ybZE+S.
BOUNDS -.2 +.3 44]ae~@a
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SURFACE d*G$qUiX
PLANE Z (D_DIS) ELLIPSE 20 [C&c;YNp
OBJECT 'DET' q8p 'bibY
INTERFACE COATING D AIR AIR =];FojC6I
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GRID ELLIPSE Z -2 -4@10 10 10 Fl
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SOURCE DIR 0 0 1 NfSe(rd
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WINDOW Y Z ^hgpeu
PLOT FACETS OVERLAY n2QD*3i
TRACE PLOT z4<h)hh"k6
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CONSIDER ONLY DET *zx;81X=
FOCUS