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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 O-7)"   
j.6!T'$|  
[attachment=34427] 0#Gm# =F  
O1jiD_Y!9  
然后添加了默认公差分析，基本没变 k(Xs&f `  
Dn<3#V  
[attachment=34428] \y271}'  
}ACg#;>/+  
然后运行分析的结果如下： y(<{e~  
 kVZs:  
Analysis of Tolerances =U~53Tg  
&V 7J5~_  
File : E:\光学设计资料\zemax练习\f500.ZMX 8Ckd.HKpQ  
Title: BYdG K@ouk  
Date : TUE JUN 21 2011 [L-wAk:Fb  
&bJBsd@Os  
Units are Millimeters. IR3SP[K"  
All changes are computed using linear differences. >a*dI_XE  
8fi'"  
Paraxial Focus compensation only. !L;_f'\)6  
|8{ k,!P'K  
WARNING: Solves should be removed prior to tolerancing. fk15O_#3  
sK W~+ ]  
Mnemonics: 4xT /8>v2|  
TFRN: Tolerance on curvature in fringes. :mDOqlXW/  
TTHI: Tolerance on thickness. TR*vZzoy  
TSDX: Tolerance on surface decentering in x. @?J7=}bzz  
TSDY: Tolerance on surface decentering in y. l #C<bDw  
TSTX: Tolerance on surface tilt in x (degrees). 9ec?L  
TSTY: Tolerance on surface tilt in y (degrees). %w>3Fwj`z  
TIRR: Tolerance on irregularity (fringes). !/H `   
TIND: Tolerance on Nd index of refraction. IHCxM|/k(M  
TEDX: Tolerance on element decentering in x. eQyc<  
TEDY: Tolerance on element decentering in y. ?/T=G k  
TETX: Tolerance on element tilt in x (degrees). wvisu\V  
TETY: Tolerance on element tilt in y (degrees). OR+_s @Yg  
,Gbc4x  
WARNING: RAY AIMING IS OFF. Very loose tolerances may not be computed accurately. #]^C(qmb:  
X! 6dg.n5  
WARNING: Boundary constraints on compensators will be ignored. =3% GLj  
UxB3/!<5g3  
Criterion           : Geometric MTF average S&T at 30.0000 cycles per mm nF]E":  
Mode                : Sensitivities f'"PQr^9  
Sampling            : 2 ze9n}oN  
Nominal Criterion   : 0.54403234 pk'd& .  
Test Wavelength     : 0.6328 lxZ9y  
+8 "8s  
cGo_qR/B(>  
Fields: XY Symmetric Angle in degrees P()n=&XO6  
#      X-Field      Y-Field       Weight    VDX    VDY    VCX    VCY _I EbRVpb  
1   0.000E+000   0.000E+000   1.000E+000  0.000  0.000  0.000  0.000 h8M_Uk  
HD{u#~8{  
Sensitivity Analysis: /g%RIzgW  
NMg(tmh  
                 |----------------- Minimum ----------------| |----------------- Maximum ----------------| <2 kv/  
Type                      Value      Criterion        Change          Value      Criterion        Change  )bYOy+2g  
Fringe tolerance on surface 1 rFt +Y})  
TFRN   1            -1.00000000     0.54257256    -0.00145977     1.00000000     0.54548607     0.00145374 K5bR7f:  
Change in Focus                :      -0.000000                            0.000000 OcpvY~"Pr  
Fringe tolerance on surface 2 |;aZi?Ek[  
TFRN   2            -1.00000000     0.54177471    -0.00225762     1.00000000     0.54627463     0.00224230 .L^j:2(L  
Change in Focus                :       0.000000                            0.000000 (p' /a.bn  
Fringe tolerance on surface 3 OU/3U(%n]e  
TFRN   3            -1.00000000     0.54779866     0.00376632     1.00000000     0.54022572    -0.00380662 n]3'N58  
Change in Focus                :      -0.000000                            0.000000 -sf[o"T,j  
Thickness tolerance on surface 1 KCbOO8cQS  
TTHI   1   3        -0.20000000     0.54321462    -0.00081772     0.20000000     0.54484759     0.00081525 8?'=Aeo  
Change in Focus                :       0.000000                            0.000000 v`'Iew }  
Thickness tolerance on surface 2 QCDica `+*  
TTHI   2   3        -0.20000000     0.54478712     0.00075478     0.20000000     0.54327558    -0.00075675 Z/GSR$@lI  
Change in Focus                :       0.000000                           -0.000000 IcqzMm b  
Decenter X tolerance on surfaces 1 through 3 txMC^-J2l  
TEDX   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005 Xg USJ*  
Change in Focus                :       0.000000                            0.000000 bs% RWwn  
Decenter Y tolerance on surfaces 1 through 3 WFFd3TN%<  
TEDY   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005  xi<}n#  
Change in Focus                :       0.000000                            0.000000 >D##94PZ  
Tilt X tolerance on surfaces 1 through 3 (degrees) MVQ6I/EA4  
TETX   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 (}T},ygQ  
Change in Focus                :       0.000000                            0.000000 DH$Nz  
Tilt Y tolerance on surfaces 1 through 3 (degrees) ;sUvY*Bcm  
TETY   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 %0vsm+XQ0E  
Change in Focus                :       0.000000                            0.000000 J.g6<n  
Decenter X tolerance on surface 1 Q>\DM'{:4  
TSDX   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671 is%ef  
Change in Focus                :       0.000000                            0.000000  Hi\z-P-  
Decenter Y tolerance on surface 1 8In~qf  
TSDY   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671 [*C~BM  
Change in Focus                :       0.000000                            0.000000 E)p[^1WC  
Tilt X tolerance on surface (degrees) 1 MR@Qn[RdM  
TSTX   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851 }a UQ#x  
Change in Focus                :       0.000000                            0.000000 zw5Ol%JF  
Tilt Y tolerance on surface (degrees) 1 /-^{$$eu  
TSTY   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851  C !v%6[  
Change in Focus                :       0.000000                            0.000000 ?mVSc/  
Decenter X tolerance on surface 2 _\@zq*E  
TSDX   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 PbxQ \.  
Change in Focus                :       0.000000                            0.000000 09Q5gal  
Decenter Y tolerance on surface 2 w JgH15oB  
TSDY   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 OYa9f[$  
Change in Focus                :       0.000000                            0.000000 `4Z:qh+fJ  
Tilt X tolerance on surface (degrees) 2 vkYiO]y  
TSTX   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324 3:sx%Ci/2  
Change in Focus                :       0.000000                            0.000000 gCL}Ba  
Tilt Y tolerance on surface (degrees) 2 U: <  
TSTY   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324 DbR!s1ux  
Change in Focus                :       0.000000                            0.000000 LZ(K{+U/  
Decenter X tolerance on surface 3  l]   
TSDX   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 #c/K.?  
Change in Focus                :       0.000000                            0.000000 dgByl-8Q  
Decenter Y tolerance on surface 3 mZ?QtyljT  
TSDY   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 ]_!NmB_3  
Change in Focus                :       0.000000                            0.000000 nI73E  
Tilt X tolerance on surface (degrees) 3 ~Kt+j  
TSTX   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 o=lZl_5/u;  
Change in Focus                :       0.000000                            0.000000 7coVl$_Zl  
Tilt Y tolerance on surface (degrees) 3 m("KLp8  
TSTY   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 5lwMc0{/3  
Change in Focus                :       0.000000                            0.000000 NOAz"m+o  
Irregularity of surface 1 in fringes Ak}`zIo  
TIRR   1            -0.20000000     0.50973587    -0.03429647     0.20000000     0.57333868     0.02930634 [ 'B u  
Change in Focus                :       0.000000                            0.000000 NQOf\.#g  
Irregularity of surface 2 in fringes ,x3< a}J  
TIRR   2            -0.20000000     0.53400904    -0.01002330     0.20000000     0.55360281     0.00957047 (II#9 n)  
Change in Focus                :       0.000000                            0.000000 egWfKL&iy  
Irregularity of surface 3 in fringes 3^)c5kcI  
TIRR   3            -0.20000000     0.58078982     0.03675748     0.20000000     0.49904394    -0.04498840 BryD?/}P)M  
Change in Focus                :       0.000000                            0.000000 Xoq -  
Index tolerance on surface 1 nF,zWr[x  
TIND   1            -0.00100000     0.52606778    -0.01796456     0.00100000     0.56121811     0.01718578 9m"EY@-  
Change in Focus                :       0.000000                            0.000000 (Dba!zSs  
Index tolerance on surface 2 F+D e"^As  
TIND   2            -0.00100000     0.55639086     0.01235852     0.00100000     0.53126361    -0.01276872  Oo~   
Change in Focus                :       0.000000                           -0.000000 T#H-GOY:  
?;_Mxal'  
Worst offenders:  z_(4  
Type                      Value      Criterion        Change ;jKLB^4nX  
TSTY   2            -0.20000000     0.35349910    -0.19053324 &pv* TL8  
TSTY   2             0.20000000     0.35349910    -0.19053324 BISH34  
TSTX   2            -0.20000000     0.35349910    -0.19053324 Pvm pWa  
TSTX   2             0.20000000     0.35349910    -0.19053324 2c*}1 _  
TSTY   1            -0.20000000     0.42678383    -0.11724851 [xdVuL;N  
TSTY   1             0.20000000     0.42678383    -0.11724851 ZxCXru1  
TSTX   1            -0.20000000     0.42678383    -0.11724851 m_;XhO  
TSTX   1             0.20000000     0.42678383    -0.11724851 <c,iu{:  
TSTY   3            -0.20000000     0.42861670    -0.11541563 {X nBj}C  
TSTY   3             0.20000000     0.42861670    -0.11541563 x_(K%0+Ca  
YEB7X>p#  
Estimated Performance Changes based upon Root-Sum-Square method: b>} )G7b}  
Nominal MTF                 :     0.54403234 NR^3 1&}It  
Estimated change            :    -0.36299231 _?Ly7*UML  
Estimated MTF               :     0.18104003 D~2n8h"2ye  
_Qb ].~  
Compensator Statistics: \M Av's4b@  
Change in back focus: 4Le{|B  
Minimum            :        -0.000000 Izfq`zS+\s  
Maximum            :         0.000000 h6 :|RGF  
Mean               :        -0.000000 ?uF3Q)rCk  
Standard Deviation :         0.000000 {{ 1qk G9$  
Z3X9-_g  
Monte Carlo Analysis: +}f}!h;  
Number of trials: 20 *M$$%G(4  
+N|t:8qaf  
Initial Statistics: Normal Distribution j}G9+GX~,  
pT:6A[&  
  Trial       Criterion        Change NMN&mJsmh  
      1     0.42804416    -0.11598818 :p$Q3  
Change in Focus                :      -0.400171 7?uIl9Vk>(  
      2     0.54384387    -0.00018847 g(o^'f  
Change in Focus                :       1.018470 v#5hK<9  
      3     0.44510003    -0.09893230 e "Tr0k  
Change in Focus                :      -0.601922 (J j'kW6G6  
      4     0.18154684    -0.36248550 "(p&Oz  
Change in Focus                :       0.920681 &sJ6k/l  
      5     0.28665820    -0.25737414 b>& 3 XDz  
Change in Focus                :       1.253875 [E qZj/  
      6     0.21263372    -0.33139862 ]];LA!n  
Change in Focus                :      -0.903878 e,*@+E\4  
      7     0.40051424    -0.14351809 t+Qx-sW  
Change in Focus                :      -1.354815 }%3i8e  
      8     0.48754161    -0.05649072 VF~kjH2>  
Change in Focus                :       0.215922 c$;Cpt@-j  
      9     0.40357468    -0.14045766 %(r.`I$  
Change in Focus                :       0.281783 }l5Q0'  
     10     0.26315315    -0.28087919 CI|#,^  
Change in Focus                :      -1.048393 A aM~B`B  
     11     0.26120585    -0.28282649 _u#r;h[  
Change in Focus                :       1.017611 G~f|Sx  
     12     0.24033815    -0.30369419 VH~ZDZ1P  
Change in Focus                :      -0.109292 c:-n0m'i  
     13     0.37164046    -0.17239188 2KNs,4X@  
Change in Focus                :      -0.692430 *3y_FTh8ra  
     14     0.48597489    -0.05805744 yk2XfY  
Change in Focus                :      -0.662040 cM=_i{c  
     15     0.21462327    -0.32940907 KP gzB^>  
Change in Focus                :       1.611296 ]QF*\2b-I2  
     16     0.43378226    -0.11025008 6+SaO !lR  
Change in Focus                :      -0.640081 GP=bp_L  
     17     0.39321881    -0.15081353 z2;<i|Ez0  
Change in Focus                :       0.914906 8~iggwZ~h"  
     18     0.20692530    -0.33710703 2bOFH6g  
Change in Focus                :       0.801607 wqJ1^>TB  
     19     0.51374068    -0.03029165 &M #}?@!C  
Change in Focus                :       0.947293 4B Jw+EV8  
     20     0.38013374    -0.16389860 r3~YGY  
Change in Focus                :       0.667010 ,d8*7my  
OB+QVYk"  
Number of traceable Monte Carlo files generated: 20 L#MMNc+  
X1&c?T1 %[  
Nominal     0.54403234 q=26($  
Best        0.54384387    Trial     2 TcH7!fUj  
Worst       0.18154684    Trial     4 lkQ(?7  
Mean        0.35770970 S"R(6:hkgu  
Std Dev     0.11156454 2nI^fVR%\  
.:Zb~  
gzp]hh@4  
Compensator Statistics: VW**N}1#C  
Change in back focus: > NtJ)N*  
Minimum            :        -1.354815 `M ~-(,++  
Maximum            :         1.611296 D|/ 4),v  
Mean               :         0.161872 #mRT>]di`D  
Standard Deviation :         0.869664 g`41d  
 SB^xq  
90% >       0.20977951               h:r:qk  
80% >       0.22748071               P5Pb2|\*  
50% >       0.38667627               =u.hHkx  
20% >       0.46553746               UQJ  
10% >       0.50064115                'CvV Ktk  
=gO4B-[  
End of Run. knRs{1}Pw{  
dz )(~@tgz  
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 B{7hRk.5!  
[attachment=34429] Tuy5h 5  
o AM)<#U>  
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 #M[%JTTn  
le~p2l#e   
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                 'A'[N :i  
80% >       0.22748071                 jJe?pT]o  
50% >       0.38667627                 \mNN ) K@  
20% >       0.46553746                  1"RC!  
10% >       0.50064115 8]l(D  
e^orqw/I  
最后这个数值是MTF值呢，还是MTF的公差？ RFLw)IWkL_  
tIo b  
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？？？   :+meaxbu  
VB}^&{t)!  
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  : x,TnYqT^  
90% >       0.20977951                 /NQ PTr  
80% >       0.22748071                 3|4<SMm  
50% >       0.38667627                 'j\mz5#s  
20% >       0.46553746                 v>0} v)<v  
10% >       0.50064115 __`6 W1  
....... a( SJ5t?-2  
\hg%J/  
kQO-V4z!  
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   \W 7pSV-U  
Mode                : Sensitivities =LKf.@]#  
Sampling            : 2 O6Y1*XTmH6  
Nominal Criterion   : 0.54403234 I !O5+Er  
Test Wavelength     : 0.6328 - #-Bo  
lg*?w/JX+  
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？ i'[! 'HY  
=Jswd  
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 Cng_*\=O  
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   @76I8r5l  
Mode                : Sensitivities TeFi[1  
Sam .. (2011-06-23 09:38)  4j(`koX_  
Wl }J=  
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 1.TIUH1  
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