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    [讨论]公差分析结果的疑问 [复制链接]

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    离线sansummer
    助理工程师
     
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    只看楼主 正序阅读 楼主  发表于: 2011-06-21
    我现在在初学zemax的公差分析，找了一个双胶合透镜 8W[QV  
    e&<#8;2X  
    ]^8:"Ky'  
    E@0w t^  
    然后添加了默认公差分析，基本没变 ^Ac0#oX]M  
    JBeC\ \QX  
    96}/;e]@  
    ?9Fv0-g&n  
    然后运行分析的结果如下： qVZ=:D{  
    vTh-I&}:  
    Analysis of Tolerances sOz jViv  
    '+f!(teLz  
    File : E:\光学设计资料\zemax练习\f500.ZMX {|%5}\%  
    Title: [0m'a\YE9  
    Date : TUE JUN 21 2011 G?<L{J2"Q  
    Hu1w/PLq  
    Units are Millimeters. }x~|XbG  
    All changes are computed using linear differences. X'7 T"5!  
    m-, '  
    Paraxial Focus compensation only. O4]Ss}ol  
    UF D_  
    WARNING: Solves should be removed prior to tolerancing. ^q%~K{'`-  
    X H{5E4P  
    Mnemonics: }\JoE4  
    TFRN: Tolerance on curvature in fringes. [9[tn -  
    TTHI: Tolerance on thickness. |os2@G$  
    TSDX: Tolerance on surface decentering in x. yw#P<8{/[  
    TSDY: Tolerance on surface decentering in y. WuSRA<{P  
    TSTX: Tolerance on surface tilt in x (degrees). ;9,Ll%Lk<  
    TSTY: Tolerance on surface tilt in y (degrees). <2}"Y(zwKl  
    TIRR: Tolerance on irregularity (fringes). qW;nWfkYC  
    TIND: Tolerance on Nd index of refraction. a9FlzR  
    TEDX: Tolerance on element decentering in x. 0EPF; Xx  
    TEDY: Tolerance on element decentering in y. ;#~rd8Z52  
    TETX: Tolerance on element tilt in x (degrees). ZS^EKz~+  
    TETY: Tolerance on element tilt in y (degrees). %do|>7MO@  
    Fe"0Hp+  
    WARNING: RAY AIMING IS OFF. Very loose tolerances may not be computed accurately. SDA +XnmH  
    1V FAfv%}  
    WARNING: Boundary constraints on compensators will be ignored. cMC1|3  
    /e4hB  
    Criterion           : Geometric MTF average S&T at 30.0000 cycles per mm I/XVo2Ee  
    Mode                : Sensitivities ?#J~ X\5  
    Sampling            : 2 /5U?4l(6[f  
    Nominal Criterion   : 0.54403234 8eWb{n uJ>  
    Test Wavelength     : 0.6328 9 r+' o#  
    zT!JHG  
    J@!Sf7k42  
    Fields: XY Symmetric Angle in degrees rf1-E57#  
    #      X-Field      Y-Field       Weight    VDX    VDY    VCX    VCY >]ZojdOl)  
    1   0.000E+000   0.000E+000   1.000E+000  0.000  0.000  0.000  0.000 i"Ct}7i  
    J[VQ6fD%  
    Sensitivity Analysis: ?|N:[.  
    axXA y5  
                     |----------------- Minimum ----------------| |----------------- Maximum ----------------| A' dt WD  
    Type                      Value      Criterion        Change          Value      Criterion        Change AL H^tV?  
    Fringe tolerance on surface 1 /x0zZ+}V  
    TFRN   1            -1.00000000     0.54257256    -0.00145977     1.00000000     0.54548607     0.00145374 1G{$ B^ f  
    Change in Focus                :      -0.000000                            0.000000 +es.V /  
    Fringe tolerance on surface 2 AD*+?%hj  
    TFRN   2            -1.00000000     0.54177471    -0.00225762     1.00000000     0.54627463     0.00224230 +~w '?vNc  
    Change in Focus                :       0.000000                            0.000000 v,Ep2$  
    Fringe tolerance on surface 3 r4!zA-{  
    TFRN   3            -1.00000000     0.54779866     0.00376632     1.00000000     0.54022572    -0.00380662 4V43(G  
    Change in Focus                :      -0.000000                            0.000000 ,lL0'$k~  
    Thickness tolerance on surface 1 /SlCcozFL~  
    TTHI   1   3        -0.20000000     0.54321462    -0.00081772     0.20000000     0.54484759     0.00081525 Nm#KHA='Z  
    Change in Focus                :       0.000000                            0.000000 f.rHX<%q9B  
    Thickness tolerance on surface 2 ',J3^h!b  
    TTHI   2   3        -0.20000000     0.54478712     0.00075478     0.20000000     0.54327558    -0.00075675 SJy:5e?zk  
    Change in Focus                :       0.000000                           -0.000000 ;M@ /AAZ  
    Decenter X tolerance on surfaces 1 through 3 L.+5`&  
    TEDX   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005 T3'dfe U  
    Change in Focus                :       0.000000                            0.000000 zzq/%jki  
    Decenter Y tolerance on surfaces 1 through 3 7v%~^l7:x  
    TEDY   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005 `P : -a7_  
    Change in Focus                :       0.000000                            0.000000 olK%TM[Y  
    Tilt X tolerance on surfaces 1 through 3 (degrees) ~[ve?51  
    TETX   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 ZVK;m1?'  
    Change in Focus                :       0.000000                            0.000000 i]9SCO  
    Tilt Y tolerance on surfaces 1 through 3 (degrees) WlWBYnphZs  
    TETY   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 Dugr{Y/0  
    Change in Focus                :       0.000000                            0.000000 ==UH)o`?8  
    Decenter X tolerance on surface 1 "xnek8F  
    TSDX   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671 ?\ho9nyK  
    Change in Focus                :       0.000000                            0.000000 ]%shs  
    Decenter Y tolerance on surface 1 O yj!N`&z@  
    TSDY   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671 zx;x@";p  
    Change in Focus                :       0.000000                            0.000000 -kQ{~"> w  
    Tilt X tolerance on surface (degrees) 1 {%UY1n  
    TSTX   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851 VPtA %1  
    Change in Focus                :       0.000000                            0.000000 r95$B6  
    Tilt Y tolerance on surface (degrees) 1 <(s+  
    TSTY   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851 F?5kl/("  
    Change in Focus                :       0.000000                            0.000000 )oHIRsr  
    Decenter X tolerance on surface 2 6j_ A{*~Ng  
    TSDX   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 JGH9b!}-1  
    Change in Focus                :       0.000000                            0.000000 ]2K>#sn-]  
    Decenter Y tolerance on surface 2 mxP{"6  
    TSDY   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 B6$s*SXNp  
    Change in Focus                :       0.000000                            0.000000 ];zi3oS^  
    Tilt X tolerance on surface (degrees) 2 [4t_ 83  
    TSTX   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324 {_ewc/~  
    Change in Focus                :       0.000000                            0.000000 @36^4E>h  
    Tilt Y tolerance on surface (degrees) 2 %"+FN2nbm  
    TSTY   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324 s)xfTr_$  
    Change in Focus                :       0.000000                            0.000000 63-`3R?;  
    Decenter X tolerance on surface 3 {7B$%G'  
    TSDX   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 ]O&TU X@)  
    Change in Focus                :       0.000000                            0.000000 =2->1<!x6<  
    Decenter Y tolerance on surface 3 tEBf2|<  
    TSDY   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 T5W r;a  
    Change in Focus                :       0.000000                            0.000000 /$I&D}uR`  
    Tilt X tolerance on surface (degrees) 3 |wVoJO!O}  
    TSTX   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 -D{~7&  
    Change in Focus                :       0.000000                            0.000000 KC8A22  
    Tilt Y tolerance on surface (degrees) 3 *!l q1h  
    TSTY   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 H-7*)D  
    Change in Focus                :       0.000000                            0.000000 6Y\9h)1Jo  
    Irregularity of surface 1 in fringes a,lH6lDk  
    TIRR   1            -0.20000000     0.50973587    -0.03429647     0.20000000     0.57333868     0.02930634 LdVGFlcXi  
    Change in Focus                :       0.000000                            0.000000 2ORWdR.b  
    Irregularity of surface 2 in fringes ^_)CQ%W?  
    TIRR   2            -0.20000000     0.53400904    -0.01002330     0.20000000     0.55360281     0.00957047 P#rwYPww\  
    Change in Focus                :       0.000000                            0.000000 URJ"  
    Irregularity of surface 3 in fringes M8S4D&vpD4  
    TIRR   3            -0.20000000     0.58078982     0.03675748     0.20000000     0.49904394    -0.04498840 @oYTJd(v{  
    Change in Focus                :       0.000000                            0.000000 -[Zau$;J<  
    Index tolerance on surface 1 N|7<*\o  
    TIND   1            -0.00100000     0.52606778    -0.01796456     0.00100000     0.56121811     0.01718578 j!:U*}f  
    Change in Focus                :       0.000000                            0.000000 -v>BeVF  
    Index tolerance on surface 2 YM+}Mmu  
    TIND   2            -0.00100000     0.55639086     0.01235852     0.00100000     0.53126361    -0.01276872 ~iF*+\  
    Change in Focus                :       0.000000                           -0.000000 gh i!4  
    %aL>n=$  
    Worst offenders: #BlH)Cv  
    Type                      Value      Criterion        Change q)<5&|V  
    TSTY   2            -0.20000000     0.35349910    -0.19053324 |FPx8b;#  
    TSTY   2             0.20000000     0.35349910    -0.19053324 3=sA]j-+(  
    TSTX   2            -0.20000000     0.35349910    -0.19053324 .' D+De&y  
    TSTX   2             0.20000000     0.35349910    -0.19053324 uyjZmT/-  
    TSTY   1            -0.20000000     0.42678383    -0.11724851 Z0`?  
    TSTY   1             0.20000000     0.42678383    -0.11724851 6sB!m|zm]:  
    TSTX   1            -0.20000000     0.42678383    -0.11724851  $@8\9Y {  
    TSTX   1             0.20000000     0.42678383    -0.11724851 ] p+t>'s  
    TSTY   3            -0.20000000     0.42861670    -0.11541563 "eh"' Z  
    TSTY   3             0.20000000     0.42861670    -0.11541563 8*6J\FE<p  
    :Q$3P+6a  
    Estimated Performance Changes based upon Root-Sum-Square method: |byB7 f  
    Nominal MTF                 :     0.54403234 a; /4 ht  
    Estimated change            :    -0.36299231 bp$8hUNYz-  
    Estimated MTF               :     0.18104003 X]  Tb4  
    &\C vrxa  
    Compensator Statistics: t'm]E2/  
    Change in back focus: B>a`mFM  
    Minimum            :        -0.000000 K%Q^2"Eb0  
    Maximum            :         0.000000 [ .dNX  
    Mean               :        -0.000000 D|9B1>A,m  
    Standard Deviation :         0.000000 0Xk;X1Xl  
    ~R!(%j ]  
    Monte Carlo Analysis: *;"^b\f5_  
    Number of trials: 20 ']+H P9i$  
    ?:n{GK  
    Initial Statistics: Normal Distribution K=`*cSU>  
    Qyd3e O_  
      Trial       Criterion        Change l*%voKZG  
          1     0.42804416    -0.11598818 \4zvknk<  
    Change in Focus                :      -0.400171 =7Tbu'O;  
          2     0.54384387    -0.00018847 q. BqOa:  
    Change in Focus                :       1.018470 8Bhot,u'T  
          3     0.44510003    -0.09893230 =Ee f  
    Change in Focus                :      -0.601922 )2rI/=R  
          4     0.18154684    -0.36248550 H@aCo(#  
    Change in Focus                :       0.920681 DB?_E{y]  
          5     0.28665820    -0.25737414 ;F~GKn;}  
    Change in Focus                :       1.253875 nV']^3b  
          6     0.21263372    -0.33139862 rw+0<r3|K  
    Change in Focus                :      -0.903878 m\@Q/_ v  
          7     0.40051424    -0.14351809 z:< (b   
    Change in Focus                :      -1.354815 &Lq @af#  
          8     0.48754161    -0.05649072 7Dm^49H  
    Change in Focus                :       0.215922 | G%MiYd  
          9     0.40357468    -0.14045766 ~xvQ?c ?-  
    Change in Focus                :       0.281783 :I<%.|8  
         10     0.26315315    -0.28087919 @Cqg 2  
    Change in Focus                :      -1.048393 zq1&MXR)l  
         11     0.26120585    -0.28282649 {-17;M $  
    Change in Focus                :       1.017611 8oA6'%.e  
         12     0.24033815    -0.30369419 -t*C-C'"|  
    Change in Focus                :      -0.109292 uLL#(bhDr  
         13     0.37164046    -0.17239188 \V: _Zs  
    Change in Focus                :      -0.692430 CB?.| )Xam  
         14     0.48597489    -0.05805744 g3x192f  
    Change in Focus                :      -0.662040 j&8 ~X2?*  
         15     0.21462327    -0.32940907 K=06I  
    Change in Focus                :       1.611296 vv%Di.V  
         16     0.43378226    -0.11025008 L ~ 1Lv?  
    Change in Focus                :      -0.640081 .v;2Q7X  
         17     0.39321881    -0.15081353 gVq{g,yi  
    Change in Focus                :       0.914906 n,Ux>L  
         18     0.20692530    -0.33710703 {v]>sn;P1  
    Change in Focus                :       0.801607 = b)q.2'#  
         19     0.51374068    -0.03029165 SB  \ptF  
    Change in Focus                :       0.947293 xR1g  
         20     0.38013374    -0.16389860 8,kbGlSD  
    Change in Focus                :       0.667010 aG=Y 6j G  
    (G$m}ng  
    Number of traceable Monte Carlo files generated: 20 SAo"+%  
    K90Zf  
    Nominal     0.54403234 < W&~tVv  
    Best        0.54384387    Trial     2 Po^2+s(fY  
    Worst       0.18154684    Trial     4 1 !\pwd@{  
    Mean        0.35770970 `yC R.3+  
    Std Dev     0.11156454 Wg}#{[4  
    )k7`!@ID  
    jj$'DZk  
    Compensator Statistics: ?TzN?\   
    Change in back focus: CQtd%'rt6  
    Minimum            :        -1.354815 Hs-NP#I  
    Maximum            :         1.611296 d3n TJX  
    Mean               :         0.161872 z,] fR  
    Standard Deviation :         0.869664 8Q6il-  
    ;W+.]_$6)T  
    90% >       0.20977951               ]pB~&0jg  
    80% >       0.22748071               MGmtA(  
    50% >       0.38667627               yY&(?6\{<<  
    20% >       0.46553746               y>~Ke UC  
    10% >       0.50064115                }.T$bj1B;V  
    hc[GpZcw,  
    End of Run. CZ&TUE|:DA  
    wkd591d*  
    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 H!45w;,I  
    h_CeGl!M}  
    |fzo$Bq  
    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 ; 9'*w=V  
    Zn9w1ev  
    不吝赐教
     
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    只看该作者 24楼 发表于: 2020-03-19
    一起学习下 .upcUS8  
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    离线唐千永
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    只看该作者 23楼 发表于: 2014-04-17
         公差分析这里 我也不是很清楚 ，学习一下
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    离线zhu1988zi
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    只看该作者 22楼 发表于: 2013-11-28
    楼主的头像太慎人！
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    离线毛毛虫07
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    只看该作者 21楼 发表于: 2013-06-21
    回 天地大同 的帖子
    天地大同:Criterion           : Geometric MTF average S&T at 30.0000 cycles per mm   J L Z  
    Mode                : Sensitivities 0P)c)x5  
    Sam .. (2011-06-23 09:38)  :,7VqCh3@  
    mDq0 1fU4  
    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？
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    离线毛毛虫07
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    只看该作者 20楼 发表于: 2013-06-21
    请问，公差设置的阿贝偏差应该设置成多少呢？
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    离线wmh1985
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    只看该作者 19楼 发表于: 2012-08-06
    楼主 太强大了  能不能讲的 系统一些了 xqG` _S l  
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    离线licc
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    只看该作者 18楼 发表于: 2012-08-04
    好高深
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    离线nanuto
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    只看该作者 17楼 发表于: 2012-03-09
    好样的
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    离线雷伽多
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    只看该作者 16楼 发表于: 2012-03-07
    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。。。
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