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: &:V@2_6"
SYSTEM NEW a`H\-G
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UNITS UM E-~mOYea
WAVELENGTH 0.85 UM 8zdT9y|Ig
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R1=26.67 3{<R5wUo"
R2=189.67 oi2J:Y4
R3=-49.66 Yd'H+r5b
R4=25.47 dG&2,n'f
R5=72.11 %
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R6=-35.00 "7Eo>g
D1=5.2 %O#)Nq>mp
D2=7.95 &*B>P>x
D3=1.6 Aoj6k\YX
D4=6.7 C"6Amnj
D5=2.8 [2Iau1<@
T=R2+D1-R1 K~c^*;F
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W3=SQRT(R6^2-(R6+Y3)^2) FbveI4
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R=SQRT(R2^2-L^2) *|mz_cKu
D_DIS=49.93822 zK=dzoy
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MEDIA 5^yG2&>#
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OBJECT 'F' 6*Zj]is
INTERFACE COATING T M1 AIR yO=p3PV d
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SURFACE n12UBvc}%
OPTICAL Z (D1) (R2) 0 ELLIPSE (R) (R) 4.8nY\_WF
OBJECT 'B' 4d0#86l~J/
INTERFACE COATING T M1 AIR |Ab{H%
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SURFACE pYt/378w
OPTICAL Z (D1+D2) (R3) 0 ELLIPSE (R*BT) (R*BT) vf<UBa;Xm
OBJECT 'F2' fD{II+T
INTERFACE COATING T M2 AIR >B_n/v3P(M
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OPTICAL Z (D1+D2+D3) (R4) 0 ELLIPSE (R*BT) (R*BT) H-(q#?:
OBJECT 'B2' Ea4_Qmn
INTERFACE COATING T M2 AIR rnO0-h-;
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TUBE Z (D1+D2/2) (R*BT) (R*BT) (D1+D2+D3*5) (R*BT) (R*BT) SauH>
OBJECT 'FB2' dCe X}Z
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OPTICAL Z (D1+D2+D3+D4) (R5) 0 ELLIPSE (W3) (W3) \tx%WC
OBJECT 'F3' WS:5MI,OL
INTERFACE COATING T M3 AIR mibpG9+d
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SURFACE =1Z;Ma<;
OPTICAL Z (D1+D2+D3+D4+D5) (R6) 0 ELLIPSE (W3) (W3) b:kXNDc
OBJECT 'B3' vX;HC'%n
INTERFACE COATING T M3 AIR _yv Luj
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SURFACE >.<ooWw
TUBE Z (D1+D2+D3+D4) (W3) (W3) (D1+D2+D3+D4+D5) (W3) (W3) \~#WY5
OBJECT 'FB3' +}aC-&
INTERFACE COATING D M3 AIR B[F-gq-
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PLANE Z (D_DIS) ELLIPSE 20 R?pR xY
OBJECT 'DET' 4Po)xo
INTERFACE COATING D AIR AIR gg^1b77hT
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GRID ELLIPSE Z -2 -4@10 10 10 \:v$ZEDJ>
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