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sansummer 2011-06-27 11:39

如何分析Ghost focus generator的结果

例如zemax knowledge base的文章,连接如下:http://www.zemax.com/kb/articles/249/1/How-do-I-Account-for-Energy-Losses-When-Performing-a-Sequential-Ghost-Analysis/Page1.html S S)9+0$  
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其中使用Ghost focus generator后的结果为: o)V@|i0Js  
w \U?64  
Ghost Trace Data ij=_h_nA  
File : C:\Program Files\ZEMAX - Beta\Samples\Sequential\Objectives\Cooke 40 degree field.zmx *eF'<._[U  
Title: A SIMPLE COOKE TRIPLET. A$7j B4  
Units are Millimeters. V*Q!J{lj^#  
Wavelength: 0.550000 μm e+TSjm  
Type: Double Bounces >bLhCgF:"  
The '****' denotes a possible internal focus ehpU`vQz  
RMS is the RMS spot radius on axis at the primary wavelength. rk E;OU  
RMS values of 0.00 indicate that an accurate RMS -eQ>3x&3r  
could not be computed, usually due to ray errors. +u[^@>_I0  
This analysis may be inaccurate if the system is Os rHA  
non-rotationally symmetric or uses non-standard surfaces. -4;$NiB?  
Ghost reflection off surface 2 then 1. (GH002001.ZMX) # n_gry!5  
Surf     Marginal          F/#          RMS p.ks jD  
   1  5.0000E+000     5.737068  3.5355E+000 S/2lK*F  
   2  4.7160E+000     4.595701  3.3570E+000 G`oY(2U  
   1  4.3614E+000     0.990012  3.1277E+000 ZL7#44  
   2  2.7155E+000     0.607262  1.9876E+000 _;!$1lM[  
   3 -2.2309E+000     0.916280  2.6065E+000 O30eq 7(  
   4 -2.7766E+000     0.514753  0.0000E+000 )w_hbU_Pb&  
   5 -7.3909E+000     0.888038  0.0000E+000 p=d,kY  
   6 -9.0530E+000     0.823473  0.0000E+000 KHT RoXt  
   7 -3.4681E+001     0.823473  0.0000E+000 K_Q-9j  
Marginal ray height    :       -34.6809 L=_   
Chief ray height       :       -24.8107 /S #Z.T~~  
Distance to ghost pupil:       -50.9613 -T8'|"g  
Distance to ghost focus:       -57.1176 N hY`_?)  
Effective focal length :         8.2347
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请问这个结果怎么看? .3 S9=d?  
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其中:Ghost reflection off surface 2 then 1,什么意思? U>-GM >  
最后的光线高度能用来分析什么?? }~+q S`  
Distance to ghost pupil: -50.9613 Distance to ghost focus: -57.1176 U&'Xs z  
Effective focal length : 8.2347 =e"RE/q2  
这有代表什么,求高手啊
sansummer 2011-06-27 13:58
我现在好像明白一点了,可是这个结果该怎么分析呢?比如这个鬼像发生后的有效焦距8.2347,到底会对成像有多撒影响呢? 2)\g IMt%  
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Distance to ghost pupil: -50.9613 Distance to ghost focus到底说明了什么哦
superyu2009 2011-11-22 19:48
用CODE V分析更好
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