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sansummer 2011-06-21 13:48

公差分析结果的疑问

我现在在初学zemax的公差分析，找了一个双胶合透镜 6AAvsu:  
-`k>(\Q< d  
[attachment=34427] ;pW8a?  
TI7$J#  
然后添加了默认公差分析，基本没变 %`&n ;K.c  
)sm9%|.&  
[attachment=34428] _R ii19k  
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然后运行分析的结果如下： ZR}v_]l^  
et 1HbX  
Analysis of Tolerances o7!A(Eu  
AhF@  
File : E:\光学设计资料\zemax练习\f500.ZMX fg)*TR  
Title: XZ |L D#  
Date : TUE JUN 21 2011 PK:Lv15"r  
lz0-5z+\  
Units are Millimeters. Zmyq6.1q~  
All changes are computed using linear differences. z[c8W@OJ  
iP(MDVg  
Paraxial Focus compensation only. Z5q%L!4G  
k _V+;&:%  
WARNING: Solves should be removed prior to tolerancing. vMp=\U-~^  
}gv'r ";  
Mnemonics: ^@V*:n^  
TFRN: Tolerance on curvature in fringes. ,zoHmV1Wd+  
TTHI: Tolerance on thickness. aze#Cn,P}  
TSDX: Tolerance on surface decentering in x. $vXY"-k  
TSDY: Tolerance on surface decentering in y. n>v1<^  
TSTX: Tolerance on surface tilt in x (degrees). cn} CI  
TSTY: Tolerance on surface tilt in y (degrees). 7He"IJ  
TIRR: Tolerance on irregularity (fringes). XS&Pc  
TIND: Tolerance on Nd index of refraction. (10t,n$  
TEDX: Tolerance on element decentering in x. fYP,V0P  
TEDY: Tolerance on element decentering in y. ' bl9fO4v  
TETX: Tolerance on element tilt in x (degrees). u* pQVU  
TETY: Tolerance on element tilt in y (degrees). lu{ *]!  
~%*l>GkP*  
WARNING: RAY AIMING IS OFF. Very loose tolerances may not be computed accurately. IE\RP!  
P;I,f  
WARNING: Boundary constraints on compensators will be ignored. l\{Qnb(  
F\JS?zt2  
Criterion           : Geometric MTF average S&T at 30.0000 cycles per mm RDbNC v#  
Mode                : Sensitivities 6n2RTH  
Sampling            : 2 4xW~@m eNB  
Nominal Criterion   : 0.54403234 i<Ms2^  
Test Wavelength     : 0.6328 oi0O4J%H  
KcV"<9rE  
M#^q <K %  
Fields: XY Symmetric Angle in degrees 9mD dX  
#      X-Field      Y-Field       Weight    VDX    VDY    VCX    VCY t_Eivm-,B  
1   0.000E+000   0.000E+000   1.000E+000  0.000  0.000  0.000  0.000 a^&"gGg  
?/&X _O  
Sensitivity Analysis: Nt8"6k_  
=r/K#hOR\J  
                 |----------------- Minimum ----------------| |----------------- Maximum ----------------| <o()14  
Type                      Value      Criterion        Change          Value      Criterion        Change q,fp DNo  
Fringe tolerance on surface 1 `S((F|Ty=;  
TFRN   1            -1.00000000     0.54257256    -0.00145977     1.00000000     0.54548607     0.00145374 .'M.yE~5J  
Change in Focus                :      -0.000000                            0.000000 -J63'bb7oi  
Fringe tolerance on surface 2 TE&E f$h  
TFRN   2            -1.00000000     0.54177471    -0.00225762     1.00000000     0.54627463     0.00224230 3|$?T|#B  
Change in Focus                :       0.000000                            0.000000 &G%AQpDW5  
Fringe tolerance on surface 3 :j+E]|d(~6  
TFRN   3            -1.00000000     0.54779866     0.00376632     1.00000000     0.54022572    -0.00380662 |E K6txRb  
Change in Focus                :      -0.000000                            0.000000 '~ b  
Thickness tolerance on surface 1 2+pw%#fe  
TTHI   1   3        -0.20000000     0.54321462    -0.00081772     0.20000000     0.54484759     0.00081525 wrJQkven-  
Change in Focus                :       0.000000                            0.000000 lJAzG,f  
Thickness tolerance on surface 2 %. ((4 6)  
TTHI   2   3        -0.20000000     0.54478712     0.00075478     0.20000000     0.54327558    -0.00075675 D?E VzG  
Change in Focus                :       0.000000                           -0.000000 EO+Ix7w  
Decenter X tolerance on surfaces 1 through 3 \&vXp"-@  
TEDX   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005 %GjG.11V,_  
Change in Focus                :       0.000000                            0.000000 E*)A!2rlK  
Decenter Y tolerance on surfaces 1 through 3 53uptQ{   
TEDY   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005 9*iVv)jd  
Change in Focus                :       0.000000                            0.000000 MkVv5C  
Tilt X tolerance on surfaces 1 through 3 (degrees) ZOqA8#\  
TETX   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 xy>$^/[$  
Change in Focus                :       0.000000                            0.000000 %pg)*>P h  
Tilt Y tolerance on surfaces 1 through 3 (degrees) BpA7 z/  
TETY   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 9hK8dJw  
Change in Focus                :       0.000000                            0.000000 =X'EDw  
Decenter X tolerance on surface 1 !(bYh`Uy  
TSDX   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671 C|H`.|Q  
Change in Focus                :       0.000000                            0.000000 GX19GI@k  
Decenter Y tolerance on surface 1 3 a(SmM:  
TSDY   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671 B_Wig2xH0  
Change in Focus                :       0.000000                            0.000000 G{.=27  
Tilt X tolerance on surface (degrees) 1 f4<~_ZGr  
TSTX   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851 LL:N/1ysG  
Change in Focus                :       0.000000                            0.000000 2FL_!;p;2E  
Tilt Y tolerance on surface (degrees) 1 :6C R~p  
TSTY   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851 :fX61S6)  
Change in Focus                :       0.000000                            0.000000 "c~``i\G   
Decenter X tolerance on surface 2 aU +uPP  
TSDX   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 49/2E@G4.  
Change in Focus                :       0.000000                            0.000000 7g8\q@',  
Decenter Y tolerance on surface 2 hDJ+Rk@  
TSDY   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 hQ%X0X,  
Change in Focus                :       0.000000                            0.000000 sk5=$My  
Tilt X tolerance on surface (degrees) 2 9&kY>M>z0  
TSTX   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324  svo%NQ  
Change in Focus                :       0.000000                            0.000000 #\F8(lZ  
Tilt Y tolerance on surface (degrees) 2 l+(B~v  
TSTY   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324 ; mV>k_AG  
Change in Focus                :       0.000000                            0.000000 z 4. |N  
Decenter X tolerance on surface 3 N<(rP1)`v  
TSDX   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 Y edF%  
Change in Focus                :       0.000000                            0.000000 31g1zdT!  
Decenter Y tolerance on surface 3 Rp zuSh  
TSDY   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 /ORK9 g  
Change in Focus                :       0.000000                            0.000000 BR6HD7G  
Tilt X tolerance on surface (degrees) 3 P'5Lu  
TSTX   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 'bji2#z[  
Change in Focus                :       0.000000                            0.000000 muK)Y w[#N  
Tilt Y tolerance on surface (degrees) 3 F":dS-u&L  
TSTY   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 h9A=20fj  
Change in Focus                :       0.000000                            0.000000 `ER#S_}  
Irregularity of surface 1 in fringes Oa5-^&I  
TIRR   1            -0.20000000     0.50973587    -0.03429647     0.20000000     0.57333868     0.02930634 /KiaLS  
Change in Focus                :       0.000000                            0.000000 5=poe@1g  
Irregularity of surface 2 in fringes ' wLW`GX.  
TIRR   2            -0.20000000     0.53400904    -0.01002330     0.20000000     0.55360281     0.00957047 Sr6iQxE  
Change in Focus                :       0.000000                            0.000000 a<pEVV\NB~  
Irregularity of surface 3 in fringes iee`Yg!EOH  
TIRR   3            -0.20000000     0.58078982     0.03675748     0.20000000     0.49904394    -0.04498840 Y% [H:  
Change in Focus                :       0.000000                            0.000000 sQzr+]+#9  
Index tolerance on surface 1 F0'o!A#|(  
TIND   1            -0.00100000     0.52606778    -0.01796456     0.00100000     0.56121811     0.01718578 \<=.J`o{  
Change in Focus                :       0.000000                            0.000000 3z 5"Ckzb  
Index tolerance on surface 2 |[bQJ<v6  
TIND   2            -0.00100000     0.55639086     0.01235852     0.00100000     0.53126361    -0.01276872 Q|Pm8{8  
Change in Focus                :       0.000000                           -0.000000 a- /p/ I-%  
Mm^6*L]  
Worst offenders: ,(yaWd6  
Type                      Value      Criterion        Change e $5s],,n  
TSTY   2            -0.20000000     0.35349910    -0.19053324 n*=Tm KQ  
TSTY   2             0.20000000     0.35349910    -0.19053324 <dY{@Cgw=  
TSTX   2            -0.20000000     0.35349910    -0.19053324 B<!wh  
TSTX   2             0.20000000     0.35349910    -0.19053324 6`'KM/   
TSTY   1            -0.20000000     0.42678383    -0.11724851 /P{'nI  
TSTY   1             0.20000000     0.42678383    -0.11724851 i;+<5_   
TSTX   1            -0.20000000     0.42678383    -0.11724851 4,6?sTuX  
TSTX   1             0.20000000     0.42678383    -0.11724851 BI6`@}%7>  
TSTY   3            -0.20000000     0.42861670    -0.11541563 0c#|LF_  
TSTY   3             0.20000000     0.42861670    -0.11541563 du=[r  
Yceex}X*5  
Estimated Performance Changes based upon Root-Sum-Square method: P6ugbq[x#e  
Nominal MTF                 :     0.54403234 ~qW"v^<  
Estimated change            :    -0.36299231 ) nn v{hN  
Estimated MTF               :     0.18104003 ukX KUYNm8  
4kLTKm:G  
Compensator Statistics: Q mz3GH@wg  
Change in back focus: *5'l"YQ@1  
Minimum            :        -0.000000 %aJ8wYj*  
Maximum            :         0.000000 zU>bT20x/  
Mean               :        -0.000000 EO.}{1m=hx  
Standard Deviation :         0.000000 NEMC  
<d hBO  
Monte Carlo Analysis: $-]PD`wmY  
Number of trials: 20 I#t# %!InH  
htqC~B{1E  
Initial Statistics: Normal Distribution ^$\#aTyFK  
x@"`KiEUs  
  Trial       Criterion        Change 0bMbM^xV6  
      1     0.42804416    -0.11598818 jowR!rqf  
Change in Focus                :      -0.400171 [IuF0$w=dj  
      2     0.54384387    -0.00018847 >:U{o!N`#_  
Change in Focus                :       1.018470 T`^LWc"  
      3     0.44510003    -0.09893230 ;hU~nj+{  
Change in Focus                :      -0.601922 =Cr F(wVO"  
      4     0.18154684    -0.36248550 +QFY. >KH  
Change in Focus                :       0.920681 t.m C q 4{  
      5     0.28665820    -0.25737414 _;5N@2?  
Change in Focus                :       1.253875 Xc@%_6  
      6     0.21263372    -0.33139862 p[gq^5WuC  
Change in Focus                :      -0.903878 N]@e7P'9F  
      7     0.40051424    -0.14351809 ig,v6lqhM  
Change in Focus                :      -1.354815 ~bk+JK- >  
      8     0.48754161    -0.05649072 !F*CEcB  
Change in Focus                :       0.215922 8:(e~? f6  
      9     0.40357468    -0.14045766 cY\"{o"C  
Change in Focus                :       0.281783 yE),GJ-m\<  
     10     0.26315315    -0.28087919 nHi6$ } I  
Change in Focus                :      -1.048393 h/F,D_O>ZO  
     11     0.26120585    -0.28282649 wpPCkfPyL  
Change in Focus                :       1.017611 &8wluOs/5  
     12     0.24033815    -0.30369419 k7Z1Y!n7  
Change in Focus                :      -0.109292 ZnYoh/  
     13     0.37164046    -0.17239188 q'awV5y  
Change in Focus                :      -0.692430 o5eFLJ6  
     14     0.48597489    -0.05805744 v/lQ5R1  
Change in Focus                :      -0.662040 -J=N  
     15     0.21462327    -0.32940907 !NFP=m1  
Change in Focus                :       1.611296 @=1kr ^i  
     16     0.43378226    -0.11025008 'xY@ I`x  
Change in Focus                :      -0.640081 \a\ApD  
     17     0.39321881    -0.15081353 .FXn=4l'vV  
Change in Focus                :       0.914906 m`lsUN,  
     18     0.20692530    -0.33710703 |CFTOe\ q  
Change in Focus                :       0.801607 WH^r M`9  
     19     0.51374068    -0.03029165 j8Csnm0  
Change in Focus                :       0.947293 #r_&Q`!eU  
     20     0.38013374    -0.16389860 ,d34v*U  
Change in Focus                :       0.667010 v'zf*]9  
+p:@,_  
Number of traceable Monte Carlo files generated: 20 _~E&?zR2>"  
C6C7*ks  
Nominal     0.54403234 \hwz;V.J"  
Best        0.54384387    Trial     2 ;eeu 9_$  
Worst       0.18154684    Trial     4 [8QE}TFic  
Mean        0.35770970 jFBnP,WQ  
Std Dev     0.11156454 FWbA+{8  
\;G97o  
#E( n  
Compensator Statistics: M _z-~G  
Change in back focus: )cy_d!  
Minimum            :        -1.354815 7BhRt8FSD+  
Maximum            :         1.611296 IuQY~!  
Mean               :         0.161872 A[6$'IJ  
Standard Deviation :         0.869664 CdRgI^5  
5'Fh_TXTD  
90% >       0.20977951               ~\z\f} w  
80% >       0.22748071               Rg6e7JVu  
50% >       0.38667627               L@{5:#-  
20% >       0.46553746               )'RLK4l  
10% >       0.50064115                PiRbdl  
m_z1|zM}o  
End of Run. i+V4_`  
2Xm\;7  
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 m{bw(+r  
[attachment=34429] E30VKh |  
[yF4_UoF  
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 !.'@3-w]  
>_y>["u6J#  
不吝赐教
sansummer 2011-06-21 15:00
我又试了试，原来是得根据上面的结果不断修改公差，放松或者变紧，然后在做公差分析，不断提高蒙特卡罗的结果。但是比如就拿我这个来说，理想是达到30lp处>0.6，那么实际做蒙特卡罗公差分析时，百分之多少以上的MTF是合格的呢？
sansummer 2011-06-22 08:56
90% >       0.20977951                 ;!k1LfN  
80% >       0.22748071                 ,!f*OWnZ  
50% >       0.38667627                 QMzBx*g(  
20% >       0.46553746                 ^zv28Wq>  
10% >       0.50064115 r)dT,X[}F  
pt;kN&A^  
最后这个数值是MTF值呢，还是MTF的公差？ m#'2 3  
K@6tI~un  
也就是说，这到底是有90%的产品MTF大于0.20977951还是90%的产品的MTF变化量大于0.20977951？？？   I hvL2 zB  
L44-: 3  
怎么没人啊，大家讨论讨论吗
sansummer 2011-06-23 08:21
没有人啊？？？
天地大同 2011-06-23 09:35
引用第2楼sansummer于2011-06-22 08:56发表的  : P}H7WH  
90% >       0.20977951                 :?{ **&=  
80% >       0.22748071                 L&lNpMT  
50% >       0.38667627                 v[ru }/4  
20% >       0.46553746                 TE0hV w0c  
10% >       0.50064115 z4 8,{H6h  
....... dKw* L|5  
oa+Rr&t'  
W\zg#5fmK  
这些数值都是MTF值
天地大同 2011-06-23 09:38
Criterion           : Geometric MTF average S&T at 30.0000 cycles per mm   /+Xv( B  
Mode                : Sensitivities ?G1-X~Z8  
Sampling            : 2 CJ&0<Z}{m  
Nominal Criterion   : 0.54403234 Q5iuK#/  
Test Wavelength     : 0.6328 rU5gQq;  
ow ~(k5k:  
波长632.8nm 时 mtf 是 0.54403234  没达到0.6
sansummer 2011-06-24 09:37
谢谢。您说的“波长632.8nm 时 mtf 是 0.54403234  没达到0.6”这是一个评价标准吧？ R1X9  
_I~W!8&w>  
这个评价标准和我理想的设计结果的0.6有什么联系吗，另外这个 0.54403234  是这么来的？
天地大同 2011-06-24 11:21
你试试把原来的系统波长改成632.8nm，看看Geometric MTF    30 per mm 的mtf值是不是0.54403234
sansummer 2011-06-24 14:30
啊...这倒也是。换了波长的确可能有所变化。另外还有就是如果现在百分比太低，我是否应该考虑把最敏感的公差再紧一些，就会好了？
天地大同 2011-06-28 14:14
恩，多多尝试
sansummer 2011-06-28 15:04
最后一个问题，你的头像怎么换的？哈哈
天地大同 2011-06-28 16:09
是啊  本来没有的  最近刚弄的
sansummer 2011-06-28 18:02
多谢多谢，我也换头像啦
guapiqlh 2011-12-29 09:54
自己看看书不是一样可以解决吗？
雷伽多 2012-02-27 15:15
楼主分享一下学习ZEMAX公差分析的心得吧。我也刚刚学习这块，很是晕，不知怎么入手。看了一些相关资料，总说蒙特卡洛分析可以模拟生产装配的实际情况，我就是不知道他是如何做到的
zhujiehui 2012-02-27 16:32
学习一下啊
雷伽多 2012-03-07 17:37
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。。。
nanuto 2012-03-09 18:38
好样的
licc 2012-08-04 10:38
好高深
wmh1985 2012-08-06 21:23
楼主 太强大了  能不能讲的 系统一些了 8,#v7ns}#  
毛毛虫07 2013-06-21 11:12
请问，公差设置的阿贝偏差应该设置成多少呢？
毛毛虫07 2013-06-21 11:16
天地大同:Criterion           : Geometric MTF average S&T at 30.0000 cycles per mm   AiykIER/  
Mode                : Sensitivities }>=k!l{  
Sam .. (2011-06-23 09:38)  #qGfo)  
G@oY2sM"  
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？
zhu1988zi 2013-11-28 15:25
楼主的头像太慎人！
唐千永 2014-04-17 11:22
     公差分析这里 我也不是很清楚 ，学习一下
nd871693070 2020-03-19 10:47
一起学习下 d&4]?8}=.  
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