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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 1iBP,:>*  
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其中使用Ghost focus generator后的结果为: I5ZqBB  
W!L+(!&H  
Ghost Trace Data G }nO@  
File : C:\Program Files\ZEMAX - Beta\Samples\Sequential\Objectives\Cooke 40 degree field.zmx r 2:2,5_  
Title: A SIMPLE COOKE TRIPLET. m#7*:i&@Y  
Units are Millimeters. f 2YLk  
Wavelength: 0.550000 μm v6=-g$FG  
Type: Double Bounces SPkn 3D6  
The '****' denotes a possible internal focus >QkP7Kb  
RMS is the RMS spot radius on axis at the primary wavelength. 98XVa\|tl  
RMS values of 0.00 indicate that an accurate RMS fS&6  
could not be computed, usually due to ray errors. 2f~($}+*  
This analysis may be inaccurate if the system is 9pKGr@&   
non-rotationally symmetric or uses non-standard surfaces. #]Y>KX2HG  
Ghost reflection off surface 2 then 1. (GH002001.ZMX) K }$&:nao  
Surf     Marginal          F/#          RMS K%5"u'  
   1  5.0000E+000     5.737068  3.5355E+000 4Y\wnwI  
   2  4.7160E+000     4.595701  3.3570E+000 RP4Ku9hk  
   1  4.3614E+000     0.990012  3.1277E+000 LW)H"6v  
   2  2.7155E+000     0.607262  1.9876E+000 1fU,5+PH  
   3 -2.2309E+000     0.916280  2.6065E+000 |I;$M;'r&  
   4 -2.7766E+000     0.514753  0.0000E+000 "tk-w{>  
   5 -7.3909E+000     0.888038  0.0000E+000 w?Ju5 5  
   6 -9.0530E+000     0.823473  0.0000E+000 l@Z6do  
   7 -3.4681E+001     0.823473  0.0000E+000 nw:-J1kWR  
Marginal ray height    :       -34.6809 7V7zGx+Z7  
Chief ray height       :       -24.8107 hsRvr`#m|  
Distance to ghost pupil:       -50.9613 e GL1  
Distance to ghost focus:       -57.1176 oXsL9,  
Effective focal length :         8.2347
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请问这个结果怎么看? ^Q<mV*~  
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其中:Ghost reflection off surface 2 then 1,什么意思? !U%T&?E l  
最后的光线高度能用来分析什么?? I^\&y(LJF  
Distance to ghost pupil: -50.9613 Distance to ghost focus: -57.1176 zmuMWT;  
Effective focal length : 8.2347 Q n)d2-<  
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? x3+oAb@o/  
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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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