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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 q t"D!S_  
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其中使用Ghost focus generator后的结果为: peQwH  
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Ghost Trace Data /<LZt<K  
File : C:\Program Files\ZEMAX - Beta\Samples\Sequential\Objectives\Cooke 40 degree field.zmx J2mHPV A3  
Title: A SIMPLE COOKE TRIPLET. 5{ c;I<0  
Units are Millimeters. cc@W 6W  
Wavelength: 0.550000 μm -<W?it?D  
Type: Double Bounces Z}W{ iD{  
The '****' denotes a possible internal focus T(J'p4  
RMS is the RMS spot radius on axis at the primary wavelength. Ln"wj O ,  
RMS values of 0.00 indicate that an accurate RMS _&<n'fK[  
could not be computed, usually due to ray errors. AIF ?>wgq  
This analysis may be inaccurate if the system is m%'nk"p9  
non-rotationally symmetric or uses non-standard surfaces. hFtV\xF K  
Ghost reflection off surface 2 then 1. (GH002001.ZMX) inh0p^  
Surf     Marginal          F/#          RMS F%OP,>zl  
   1  5.0000E+000     5.737068  3.5355E+000 KX) n+{   
   2  4.7160E+000     4.595701  3.3570E+000 tKbxC>w  
   1  4.3614E+000     0.990012  3.1277E+000 d&AG~,&d|  
   2  2.7155E+000     0.607262  1.9876E+000 !fh (k  
   3 -2.2309E+000     0.916280  2.6065E+000 F O!Td  
   4 -2.7766E+000     0.514753  0.0000E+000 bA;OphO(  
   5 -7.3909E+000     0.888038  0.0000E+000 B8&q$QV  
   6 -9.0530E+000     0.823473  0.0000E+000 g4K+AK  
   7 -3.4681E+001     0.823473  0.0000E+000 +m=b "g  
Marginal ray height    :       -34.6809 $)lkiA&;  
Chief ray height       :       -24.8107 mm/\\my  
Distance to ghost pupil:       -50.9613 ^q7V%{54  
Distance to ghost focus:       -57.1176 +! 1_Mt6  
Effective focal length :         8.2347
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请问这个结果怎么看? Llfl I   
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其中:Ghost reflection off surface 2 then 1,什么意思? 2)}n"ibbT  
最后的光线高度能用来分析什么?? c&['T+X  
Distance to ghost pupil: -50.9613 Distance to ghost focus: -57.1176 v%tjZ5x  
Effective focal length : 8.2347 Y teIp'T  
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? -(vHy/Hz.  
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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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