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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 ! xCo{U=  
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其中使用Ghost focus generator后的结果为: M5^Y W#e  
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Ghost Trace Data ||Zup\QB  
File : C:\Program Files\ZEMAX - Beta\Samples\Sequential\Objectives\Cooke 40 degree field.zmx [oLV,O|s|j  
Title: A SIMPLE COOKE TRIPLET. Gnkar[oa&  
Units are Millimeters. 0xB2  
Wavelength: 0.550000 μm wX,V:QE  
Type: Double Bounces =gB5JB<}2  
The '****' denotes a possible internal focus `R[Hxi  
RMS is the RMS spot radius on axis at the primary wavelength. 5'lPXKn+L  
RMS values of 0.00 indicate that an accurate RMS Z3`EXs  
could not be computed, usually due to ray errors. ~e{ @5.g  
This analysis may be inaccurate if the system is d?2V2`6  
non-rotationally symmetric or uses non-standard surfaces. q A)O kR'm  
Ghost reflection off surface 2 then 1. (GH002001.ZMX)  ?%,NOX  
Surf     Marginal          F/#          RMS m@4Dz|  
   1  5.0000E+000     5.737068  3.5355E+000 f`9Mcli !  
   2  4.7160E+000     4.595701  3.3570E+000 QZ a.c  
   1  4.3614E+000     0.990012  3.1277E+000 g68p9#G  
   2  2.7155E+000     0.607262  1.9876E+000 g52a vG  
   3 -2.2309E+000     0.916280  2.6065E+000 6%v9o?:~l  
   4 -2.7766E+000     0.514753  0.0000E+000 4DA34m(  
   5 -7.3909E+000     0.888038  0.0000E+000 OviS(}v4@  
   6 -9.0530E+000     0.823473  0.0000E+000 u!_l/'\  
   7 -3.4681E+001     0.823473  0.0000E+000 ^jdU4  
Marginal ray height    :       -34.6809 h@:K=gg K  
Chief ray height       :       -24.8107 ht3.e[%'b  
Distance to ghost pupil:       -50.9613 ~4~`bT9  
Distance to ghost focus:       -57.1176 ym%UuC3^w  
Effective focal length :         8.2347
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请问这个结果怎么看? j|eA*UE  
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其中:Ghost reflection off surface 2 then 1,什么意思? zKJ2 ~=  
最后的光线高度能用来分析什么?? ,?fJ0n:!%  
Distance to ghost pupil: -50.9613 Distance to ghost focus: -57.1176 J!I)G&:  
Effective focal length : 8.2347 @AsJnf$y  
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? MY&Jdmga  
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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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