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: ;NGSJfn
SYSTEM NEW k40`,;}9
RESET Lv #}Gm
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UNITS UM - P4X@s_;
WAVELENGTH 0.85 UM B!J&=*=e
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R1=26.67 3+!G9T!
R2=189.67 z%$M
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R3=-49.66 $Ut1vp1$
R4=25.47 GwmYhG<{
R5=72.11 %KR2Vlh0
R6=-35.00 Bey9P)_Of
D1=5.2 [MeFj!(
D2=7.95 ~Vc`AcWP
D3=1.6 0 R>!jw
D4=6.7 6Zv-kG
D5=2.8 mC'<Ov<eJ
T=R2+D1-R1 O/oLQoH
BT=.8 r$,Xv+}
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Y3=(R6^2-(R6+D5)^2)/(2*(-R6)+2*(-R6+D5)) \CYKj_c
W3=SQRT(R6^2-(R6+Y3)^2) q oz[x
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THTA=((R2)^2+(T)^2-(R1)^2)/(2*R2*T) mS+sh'VH
L=R2*THTA V :lKF')
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R=SQRT(R2^2-L^2) 6vg` 8
D_DIS=49.93822 {7EpljH@
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MEDIA D+Z2y1
1.6140 'M1' <qBM+m$|)
1.6745 'M2' 26=G%F6
1.6140 'M3' gdg
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COATING PROPERTIES t~Qj$:\
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SURFACE ^a7a_M
OPTICAL Z 0 (R1) 0 ELLIPSE (R) (R) PD-*rG `
OBJECT 'F' WFvVu3
INTERFACE COATING T M1 AIR I-W,C&J>
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SURFACE <}}u'5;^?x
OPTICAL Z (D1) (R2) 0 ELLIPSE (R) (R) "XU)(<p
OBJECT 'B' cEGR?4z
INTERFACE COATING T M1 AIR K!v\r"N
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SURFACE x}uDW
OPTICAL Z (D1+D2) (R3) 0 ELLIPSE (R*BT) (R*BT) Y"TrF(C
OBJECT 'F2' 6U1_Wk?
INTERFACE COATING T M2 AIR ~pwk[Q!
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SURFACE :b,An'H
OPTICAL Z (D1+D2+D3) (R4) 0 ELLIPSE (R*BT) (R*BT) 8>|<m'e^\r
OBJECT 'B2' ?BU?c:"f
INTERFACE COATING T M2 AIR Xc<Hm
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SURFACE 6|1*gl1_LD
TUBE Z (D1+D2/2) (R*BT) (R*BT) (D1+D2+D3*5) (R*BT) (R*BT) lr)9 U7
OBJECT 'FB2' qCm8R@
INTERFACE COATING D M2 AIR i({MID)/_
BOUNDS -.2 +.3 'N\nJz}
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SURFACE hcR^?
OPTICAL Z (D1+D2+D3+D4) (R5) 0 ELLIPSE (W3) (W3) *`t3z-L
OBJECT 'F3' -gv[u,R
INTERFACE COATING T M3 AIR .i1|U8" X
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SURFACE Sd\oL*lN
OPTICAL Z (D1+D2+D3+D4+D5) (R6) 0 ELLIPSE (W3) (W3) A$l
OBJECT 'B3' yp<)v(8|'
INTERFACE COATING T M3 AIR Ba76~-gK$
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SURFACE )IKqO:@
TUBE Z (D1+D2+D3+D4) (W3) (W3) (D1+D2+D3+D4+D5) (W3) (W3) UGP&&A#T-
OBJECT 'FB3' ;ao <{i?
INTERFACE COATING D M3 AIR Q$Q:Jm53
BOUNDS -.2 +.3 w=[ITQ|W%
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SURFACE 5IbCE.>iU
PLANE Z (D_DIS) ELLIPSE 20 L8KaK
OBJECT 'DET'
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INTERFACE COATING D AIR AIR VgS2_TU
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GRID ELLIPSE Z -2 -4@10 10 10 ,W>-MPJn[8
SOURCE DIR 0 0 1 SGpe \P ]k
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WINDOW Y Z Q>TNzh
PLOT FACETS OVERLAY UK.=Y9
TRACE PLOT Gg%pU+'T
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CONSIDER ONLY DET 2nSK}q
FOCUS