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: G0&'B6I>
SYSTEM NEW &L`yX/N2
RESET ST7Xgma-
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UNITS UM Sxg&73;ZV
WAVELENGTH 0.85 UM %y_AT2A
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R1=26.67 $ Ov#^wfA
R2=189.67 ->Bx>Y
R3=-49.66 f$p7L.d<
R4=25.47 VaLl$w
R5=72.11 3P[u>xE
R6=-35.00 +U= !svE
D1=5.2 X'XH-E
D2=7.95 w;(B4^?
D3=1.6 JTI 'W
D4=6.7 'Bb@K[=s
D5=2.8 pSh$#]mZ`
T=R2+D1-R1 l5fF.A7TT
BT=.8 F}dq~QCzw
r,-9]?i
Y3=(R6^2-(R6+D5)^2)/(2*(-R6)+2*(-R6+D5)) vB;$AFh{
W3=SQRT(R6^2-(R6+Y3)^2) rN5;W
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THTA=((R2)^2+(T)^2-(R1)^2)/(2*R2*T) @#W$7Gwf0
L=R2*THTA TVEFZ\p<A
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R=SQRT(R2^2-L^2) 3&ES?MyB#
D_DIS=49.93822 ;1[Lwnm
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MEDIA Imm|5-qJ
1.6140 'M1' R4P$zB_<2
1.6745 'M2' kFsq23Ne
1.6140 'M3' 2-!n+#Cdf
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COATING PROPERTIES n^7m^1to
0 1 'T' N>3X! K
0 0 'D' .?CumaU
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SURFACE %zA$+eT
OPTICAL Z 0 (R1) 0 ELLIPSE (R) (R) 1ps_zn(
OBJECT 'F' z~+gche>
INTERFACE COATING T M1 AIR I'%(f@u~
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SURFACE J~URv)g
OPTICAL Z (D1) (R2) 0 ELLIPSE (R) (R) 'YUx&FcM
OBJECT 'B' jtFet{
INTERFACE COATING T M1 AIR $bv l.c
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SURFACE [J6b5
OPTICAL Z (D1+D2) (R3) 0 ELLIPSE (R*BT) (R*BT) zA?]AL(+YW
OBJECT 'F2' l5bd);Ltq
INTERFACE COATING T M2 AIR YMEI
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SURFACE 6a\YD{D] _
OPTICAL Z (D1+D2+D3) (R4) 0 ELLIPSE (R*BT) (R*BT) ZFsJeF'"
OBJECT 'B2' "-;l{tL
INTERFACE COATING T M2 AIR %B{NH~
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SURFACE K9+C3"*I
TUBE Z (D1+D2/2) (R*BT) (R*BT) (D1+D2+D3*5) (R*BT) (R*BT) ;\gsd'i
OBJECT 'FB2' oI6o$C
INTERFACE COATING D M2 AIR Md4JaFA(
BOUNDS -.2 +.3 (xhwl=MX)
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SURFACE U|HF;L
OPTICAL Z (D1+D2+D3+D4) (R5) 0 ELLIPSE (W3) (W3) g~AOKHUP
OBJECT 'F3' ;Pi-H,1b
INTERFACE COATING T M3 AIR T)NnWEB
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SURFACE HRY?[+
OPTICAL Z (D1+D2+D3+D4+D5) (R6) 0 ELLIPSE (W3) (W3) 0u'qu2mV
OBJECT 'B3' \%! ~pfM I
INTERFACE COATING T M3 AIR g,
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SURFACE pwvcH3l/r
TUBE Z (D1+D2+D3+D4) (W3) (W3) (D1+D2+D3+D4+D5) (W3) (W3) &4ScwK:
OBJECT 'FB3' W l+[{#
INTERFACE COATING D M3 AIR 2"~QI xY=
BOUNDS -.2 +.3
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Evn=3Tw
SURFACE S^Z[w|1
PLANE Z (D_DIS) ELLIPSE 20 oe:@7stG
OBJECT 'DET' $rh {f<
INTERFACE COATING D AIR AIR R""P01IZH
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GRID ELLIPSE Z -2 -4@10 10 10 fb 8t9sAI
SOURCE DIR 0 0 1 xD(JkOne
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WINDOW Y Z y2U^7VrO
PLOT FACETS OVERLAY @L-3&~=
TRACE PLOT -H3tBEvoI
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CONSIDER ONLY DET hK,e<?N^
FOCUS