[讨论]公差分析结果的疑问 [复制链接]

我现在在初学zemax的公差分析，找了一个双胶合透镜 c|;|%"Mk  
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#QyK?i*  
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然后添加了默认公差分析，基本没变 ym,Ot1  
UV *tO15i  
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然后运行分析的结果如下： :x*|lz[  
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Analysis of Tolerances )(|0Ka
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i&s=!`  
File : E:\光学设计资料\zemax练习\f500.ZMX uB#B\i  
Title: Cak/#1  
Date : TUE JUN 21 2011 OSh mrz28  
Qig!NgOM  
Units are Millimeters. zHum&V8=H  
All changes are computed using linear differences. 51;%\@=  
^D>MDj6  
Paraxial Focus compensation only. YI\Cs=T/  
V.a]IkK'K  
WARNING: Solves should be removed prior to tolerancing. n+F-,=0  
t[yD8h  
Mnemonics: jv#" vQ9A]  
TFRN: Tolerance on curvature in fringes. +n.j.JP"X  
TTHI: Tolerance on thickness. )}9}"jrDlx  
TSDX: Tolerance on surface decentering in x. 7J!d3j2TR  
TSDY: Tolerance on surface decentering in y. F~@1n,[  
TSTX: Tolerance on surface tilt in x (degrees). ~9/nx|%D  
TSTY: Tolerance on surface tilt in y (degrees). vJjj+:  
TIRR: Tolerance on irregularity (fringes). *y\tnsU  
TIND: Tolerance on Nd index of refraction. qD>Y}Z!  
TEDX: Tolerance on element decentering in x. ^{sI'l~  
TEDY: Tolerance on element decentering in y. |u@>[*k'=  
TETX: Tolerance on element tilt in x (degrees). rM~IF+f0XD  
TETY: Tolerance on element tilt in y (degrees). "ZPbK$+=yU  
YrcC"  
WARNING: RAY AIMING IS OFF. Very loose tolerances may not be computed accurately. w!h{P38  
zB7dCw  
WARNING: Boundary constraints on compensators will be ignored. ve]95w9J  
:tDGNz*zG  
Criterion           : Geometric MTF average S&T at 30.0000 cycles per mm :IKp7BS  
Mode                : Sensitivities kC#B7*[RM  
Sampling            : 2 h|>n3-k|p  
Nominal Criterion   : 0.54403234 laL4ez  
Test Wavelength     : 0.6328 eMd1%/[  
DmpJzHj|  
5lA 8e  
Fields: XY Symmetric Angle in degrees 6!=9V0G~  
#      X-Field      Y-Field       Weight    VDX    VDY    VCX    VCY cFNtY~(b  
1   0.000E+000   0.000E+000   1.000E+000  0.000  0.000  0.000  0.000 E2/U']R  
?[fl$EG  
Sensitivity Analysis: T-cVM>u\D  
@3=<wz<  
                 |----------------- Minimum ----------------| |----------------- Maximum ----------------| }Mlz\'{  
Type                      Value      Criterion        Change          Value      Criterion        Change {1&,6kJF&9  
Fringe tolerance on surface 1 W p* v Vv  
TFRN   1            -1.00000000     0.54257256    -0.00145977     1.00000000     0.54548607     0.00145374 9-<V%eNX  
Change in Focus                :      -0.000000                            0.000000 G uI sM  
Fringe tolerance on surface 2 H.S|njn:r  
TFRN   2            -1.00000000     0.54177471    -0.00225762     1.00000000     0.54627463     0.00224230 <6@NgSFz'  
Change in Focus                :       0.000000                            0.000000 rG%_O$_dO  
Fringe tolerance on surface 3 2&f=4b`Z  
TFRN   3            -1.00000000     0.54779866     0.00376632     1.00000000     0.54022572    -0.00380662 !g:G{b  
Change in Focus                :      -0.000000                            0.000000 }pZnWK+  
Thickness tolerance on surface 1 rca"q[,  
TTHI   1   3        -0.20000000     0.54321462    -0.00081772     0.20000000     0.54484759     0.00081525 g/Nj|:3  
Change in Focus                :       0.000000                            0.000000 cmLu T/oV  
Thickness tolerance on surface 2 TKydOw@P"  
TTHI   2   3        -0.20000000     0.54478712     0.00075478     0.20000000     0.54327558    -0.00075675 #IJKMSGw?E  
Change in Focus                :       0.000000                           -0.000000 ng6p#F,3  
Decenter X tolerance on surfaces 1 through 3 ,>%r|YSJ)  
TEDX   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005 q&S.C9W  
Change in Focus                :       0.000000                            0.000000 H;te)km}  
Decenter Y tolerance on surfaces 1 through 3 -~aEqj#?  
TEDY   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005 ;rdLYmmx^  
Change in Focus                :       0.000000                            0.000000 iiFKt(  
Tilt X tolerance on surfaces 1 through 3 (degrees) ]h8V{%H  
TETX   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 @g2L=XF  
Change in Focus                :       0.000000                            0.000000 *\+'tFT6  
Tilt Y tolerance on surfaces 1 through 3 (degrees) @Oay$gP{T  
TETY   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 No|{rYYKK  
Change in Focus                :       0.000000                            0.000000 5Rp2O4Z  
Decenter X tolerance on surface 1 U,(+rMeY0  
TSDX   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671 74OM tLL$  
Change in Focus                :       0.000000                            0.000000 ~"B[6^sW  
Decenter Y tolerance on surface 1 Nr+1N83S}  
TSDY   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671 by[(9+/z$  
Change in Focus                :       0.000000                            0.000000 W5;sps  
Tilt X tolerance on surface (degrees) 1 )ciHY6  
TSTX   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851 Jxp'.oo[  
Change in Focus                :       0.000000                            0.000000 o~
>go_Y  
Tilt Y tolerance on surface (degrees) 1 aN3{\^  
TSTY   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851 #8|NZ6x,  
Change in Focus                :       0.000000                            0.000000 a5&
j=3)|  
Decenter X tolerance on surface 2 AVZ@?aJgF  
TSDX   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 " <AljgF  
Change in Focus                :       0.000000                            0.000000 =Z
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Decenter Y tolerance on surface 2 Xy<KvFy  
TSDY   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 ;OyM~T gI  
Change in Focus                :       0.000000                            0.000000 /q]@|5I  
Tilt X tolerance on surface (degrees) 2 FX 3[U+  
TSTX   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324 a{,t@G  
Change in Focus                :       0.000000                            0.000000 &6EfybAt^_  
Tilt Y tolerance on surface (degrees) 2 F,:VL*.5kJ  
TSTY   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324 Ymvd=F   
Change in Focus                :       0.000000                            0.000000 }@4*0_g"Aw  
Decenter X tolerance on surface 3 wH<*  
TSDX   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 u] b6>  
Change in Focus                :       0.000000                            0.000000 ZQ/5]]}3y  
Decenter Y tolerance on surface 3 ']D( ({%g  
TSDY   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 lU&IS?^?  
Change in Focus                :       0.000000                            0.000000 jL1UPN  
Tilt X tolerance on surface (degrees) 3 p}uw-$O  
TSTX   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 /#5ZP\e  
Change in Focus                :       0.000000                            0.000000 p(>'4#|qy  
Tilt Y tolerance on surface (degrees) 3 jnY4(B   
TSTY   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 39CPFgi<l*  
Change in Focus                :       0.000000                            0.000000 35T7g65;  
Irregularity of surface 1 in fringes CcQ|0  
TIRR   1            -0.20000000     0.50973587    -0.03429647     0.20000000     0.57333868     0.02930634 V5MbWXgR  
Change in Focus                :       0.000000                            0.000000 V ZGhF!To  
Irregularity of surface 2 in fringes %Et]w  
TIRR   2            -0.20000000     0.53400904    -0.01002330     0.20000000     0.55360281     0.00957047 +`FY  
Change in Focus                :       0.000000                            0.000000 /[M~##%:  
Irregularity of surface 3 in fringes &I=q%  
TIRR   3            -0.20000000     0.58078982     0.03675748     0.20000000     0.49904394    -0.04498840 N~(}?'y9S  
Change in Focus                :       0.000000                            0.000000 UHW
unI S  
Index tolerance on surface 1 +L6$Xm5DAv  
TIND   1            -0.00100000     0.52606778    -0.01796456     0.00100000     0.56121811     0.01718578 $Izk]o;X~  
Change in Focus                :       0.000000                            0.000000 ImVe71mh  
Index tolerance on surface 2 [R$4n-$  
TIND   2            -0.00100000     0.55639086     0.01235852     0.00100000     0.53126361    -0.01276872 5KzU&!Zh9  
Change in Focus                :       0.000000                           -0.000000 G1|:b-C  
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Worst offenders: |QdS;  
Type                      Value      Criterion        Change _QY "#  
TSTY   2            -0.20000000     0.35349910    -0.19053324 }$ der  
TSTY   2             0.20000000     0.35349910    -0.19053324 dXhV]
xK  
TSTX   2            -0.20000000     0.35349910    -0.19053324 W2^R$"U  
TSTX   2             0.20000000     0.35349910    -0.19053324 3@PVUJ0B|  
TSTY   1            -0.20000000     0.42678383    -0.11724851 {Bx\Z0+'&  
TSTY   1             0.20000000     0.42678383    -0.11724851 2S3F]fG0  
TSTX   1            -0.20000000     0.42678383    -0.11724851 (WC<XKf  
TSTX   1             0.20000000     0.42678383    -0.11724851 sr4K-|@  
TSTY   3            -0.20000000     0.42861670    -0.11541563 M=%p$\x
  
TSTY   3             0.20000000     0.42861670    -0.11541563 ,bJx| K  
2
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Estimated Performance Changes based upon Root-Sum-Square method: b,wO^07-3^  
Nominal MTF                 :     0.54403234 <Bwu N,}  
Estimated change            :    -0.36299231
_C?K;-v}  
Estimated MTF               :     0.18104003 NNX/2  
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Compensator Statistics: eYFCf;  
Change in back focus: _"n4SXhq  
Minimum            :        -0.000000 d hy=x  
Maximum            :         0.000000 jp|wc,]!  
Mean               :        -0.000000 k6XO-a f  
Standard Deviation :         0.000000 ?d 4_'y   
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Monte Carlo Analysis:
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Number of trials: 20 +x`tvo  
ETtR*5Y 5  
Initial Statistics: Normal Distribution XB?!V|bno  
o?>)CAo  
  Trial       Criterion        Change .*,ZcO  
      1     0.42804416    -0.11598818 r*Mm5QozA  
Change in Focus                :      -0.400171 Z(s} #-  
      2     0.54384387    -0.00018847 'EQAG' YV  
Change in Focus                :       1.018470 F]&9Lp} "  
      3     0.44510003    -0.09893230 "3K0 wR5  
Change in Focus                :      -0.601922 F~:5/-zs  
      4     0.18154684    -0.36248550 <NUZPX29  
Change in Focus                :       0.920681 l!1bmg#]$  
      5     0.28665820    -0.25737414 7W*OyH^  
Change in Focus                :       1.253875 2:]Sy4K{  
      6     0.21263372    -0.33139862 ny}?+&K  
Change in Focus                :      -0.903878 3jQ |C=  
      7     0.40051424    -0.14351809 q+ .=f.+Z  
Change in Focus                :      -1.354815 XH/|jE.9^|  
      8     0.48754161    -0.05649072 *m;L.r`5[  
Change in Focus                :       0.215922 |:AjQ&PM)  
      9     0.40357468    -0.14045766 4P.ry|2  
Change in Focus                :       0.281783 ,PB?
pp8C}  
     10     0.26315315    -0.28087919 ]2<g"zo0  
Change in Focus                :      -1.048393 ,{%[/#~6  
     11     0.26120585    -0.28282649 7M4iBk4I  
Change in Focus                :       1.017611 90q*V%cS  
     12     0.24033815    -0.30369419 up`6IWlLE  
Change in Focus                :      -0.109292 O
SBE5  
     13     0.37164046    -0.17239188 + 7Z%N9  
Change in Focus                :      -0.692430 hAY_dM  
     14     0.48597489    -0.05805744 V{8mx70  
Change in Focus                :      -0.662040 vK$W)(Z  
     15     0.21462327    -0.32940907 d"V^^I)yx&  
Change in Focus                :       1.611296 u`ZnxD>  
     16     0.43378226    -0.11025008  z\\MLyS  
Change in Focus                :      -0.640081 %T&kK2d;  
     17     0.39321881    -0.15081353 H;v*/~zl  
Change in Focus                :       0.914906 G#csN&|,  
     18     0.20692530    -0.33710703 g,.iM8  
Change in Focus                :       0.801607 jWm<!<~  
     19     0.51374068    -0.03029165 p4/
D%*G^`  
Change in Focus                :       0.947293 /rquI y^  
     20     0.38013374    -0.16389860 myPo&"_ x  
Change in Focus                :       0.667010 O)hNHIF  
Y,+$vj:y8  
Number of traceable Monte Carlo files generated: 20 [[Z*n/tr  
wy7f7zIa  
Nominal     0.54403234 i6[Hu8  
Best        0.54384387    Trial     2 \E n^Vf  
Worst       0.18154684    Trial     4 c+q4sNnE  
Mean        0.35770970 Baq&>]  
Std Dev     0.11156454 }^=J
]  
s8R.?mhH=  
PJ);d>tz  
Compensator Statistics: NZv1dy`fa  
Change in back focus: 1%>/%eyn5  
Minimum            :        -1.354815 Ygg+*z  
Maximum            :         1.611296 vzfWPjpKW  
Mean               :         0.161872 `CRW2^g  
Standard Deviation :         0.869664 SlmgFk!r!  
1;>J9  
90% >       0.20977951               ;0 ,-ywK  
80% >       0.22748071               9Y0w SOSW  
50% >       0.38667627               6<gh:vj  
20% >       0.46553746              
SI-s:%O  
10% >       0.50064115                :X+7}!Wlo  
_/hWz
j=q  
End of Run. )!3sB{
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'v?Z~"w=  
这就有了些疑问，为什么我选择的补偿器是近轴焦点，而分析结果近轴焦点都不变化？？应该是变得。另外最后的蒙特卡洛分析，只有10%的大于0.5（我用的是MTF作为评价方式），可是我设计的MTF如图 3d[fP#NY7  
mkgDg y  
GP1b/n3F1  
是大于0.6左右的，难道我按照这个默认的公差来加工的话，只有10%的才可能大于0.5？那太低了啊，请问这该怎么进行进一步处理。或者之前哪有问题 4v Ug:'DM  
q5Z]Z.%3O  
不吝赐教

一起学习下 mqQN*.8*  

     公差分析这里 我也不是很清楚 ，学习一下

楼主的头像太慎人！

天地大同:Criterion           : Geometric MTF average S&T at 30.0000 cycles per mm   @>*r2=#14  
Mode                : Sensitivities ~6=aoF5"3?  
Sam .. (2011-06-23 09:38)  LNcoTdv}k  

:.=#U  
我们导师说让用蒙特卡罗分析法，是不是skip sensitivity 模式？还有，geom MTF和 diff MTF有什么区别？

请问，公差设置的阿贝偏差应该设置成多少呢？

楼主 太强大了  能不能讲的 系统一些了 EMPujik-  

好高深

好样的

额。。。请问你把敏感的公差调紧了后，百分比数有所变化吗？我也遇到同样的问题。。。