切换到宽版
  • 广告投放
  • 稿件投递
  • 繁體中文
    • Zemax光学设计从入门到精通 光学系统设计：理论、仿真与系统检测 Zemax光学设计实践基础(陈家璧) ZEMAX光学系统设计实战
    讯技光电:VirtualLab Fusion独家供应商 光学设计与光学元件 CODE V,LightTools,RSoft,LucidShape 计算光学带来的成像革命
    发帖 回复
    返回列表
    123
    • 16364阅读
    • 24回复

    [讨论]公差分析结果的疑问 [复制链接]

    		 上一主题 下一主题
    离线sansummer
    助理工程师
     
    发帖
    959
    光币
    1087
    光券
    1
    只看楼主 倒序阅读 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 uJ<n W%}  
    Z-X(. Q  
    >a/]8A  
    ziZLw$ )  
    然后添加了默认公差分析，基本没变 dz@L}b*  
    HwfBbWHr'  
    x}v]JEIf[Q  
    :cU6W2EV  
    然后运行分析的结果如下： "2} {lu  
    ~,[-pZ <  
    Analysis of Tolerances hM$K?t  
    iR} 3 [  
    File : E:\光学设计资料\zemax练习\f500.ZMX y"zgpqJ  
    Title: zURxXo/\V  
    Date : TUE JUN 21 2011 Xq:jp+WSG  
    #-vuY#gs  
    Units are Millimeters. v"wxHro  
    All changes are computed using linear differences. 6[3oOO:uo  
    lh^-L+G:Ok  
    Paraxial Focus compensation only. jZwv !-:  
    p1~u5BE7O  
    WARNING: Solves should be removed prior to tolerancing. Mbbgsy3W  
    'YQ^K`lV  
    Mnemonics: ]^aOYtKX  
    TFRN: Tolerance on curvature in fringes. #9{N[t  
    TTHI: Tolerance on thickness. `;KU^dH  
    TSDX: Tolerance on surface decentering in x. F<FNZQ@<U  
    TSDY: Tolerance on surface decentering in y. Mn$w_Z?  
    TSTX: Tolerance on surface tilt in x (degrees). ZqT8G  
    TSTY: Tolerance on surface tilt in y (degrees). jw63sn  
    TIRR: Tolerance on irregularity (fringes). V9aGo#  
    TIND: Tolerance on Nd index of refraction. fKEZlrw  
    TEDX: Tolerance on element decentering in x. w7Fz(`\  
    TEDY: Tolerance on element decentering in y. )@lZ~01~d  
    TETX: Tolerance on element tilt in x (degrees). y[QQopy4:  
    TETY: Tolerance on element tilt in y (degrees). st~ 1[in  
    q8&2M  
    WARNING: RAY AIMING IS OFF. Very loose tolerances may not be computed accurately. cyYsz'i m  
    dL{zU4iUR  
    WARNING: Boundary constraints on compensators will be ignored. BpL7s ej7  
    7oUecyoj  
    Criterion           : Geometric MTF average S&T at 30.0000 cycles per mm '+?L/|'  
    Mode                : Sensitivities M"XILNV-~  
    Sampling            : 2 i;:gBNmo=  
    Nominal Criterion   : 0.54403234 +=.>9  
    Test Wavelength     : 0.6328 iYbp^iVg  
    &lbZTY}  
    rq#8}T>  
    Fields: XY Symmetric Angle in degrees $y%X#:eLJ  
    #      X-Field      Y-Field       Weight    VDX    VDY    VCX    VCY Z8vMVo  
    1   0.000E+000   0.000E+000   1.000E+000  0.000  0.000  0.000  0.000 s?-@8.@  
    etnq{tE5  
    Sensitivity Analysis: U(xN}Y ?  
    {tS^Q*F  
                     |----------------- Minimum ----------------| |----------------- Maximum ----------------| ++>HU{  
    Type                      Value      Criterion        Change          Value      Criterion        Change =f48[=  
    Fringe tolerance on surface 1 `O5 Hzb(}  
    TFRN   1            -1.00000000     0.54257256    -0.00145977     1.00000000     0.54548607     0.00145374 #eRrVjbo  
    Change in Focus                :      -0.000000                            0.000000 qDSZ:36  
    Fringe tolerance on surface 2 ,<Ag&*YE4  
    TFRN   2            -1.00000000     0.54177471    -0.00225762     1.00000000     0.54627463     0.00224230 qKt*<KGeY  
    Change in Focus                :       0.000000                            0.000000 L@mNfLK  
    Fringe tolerance on surface 3 oe (})M  
    TFRN   3            -1.00000000     0.54779866     0.00376632     1.00000000     0.54022572    -0.00380662  +\Hh|Uz5  
    Change in Focus                :      -0.000000                            0.000000 uGXN ciEp`  
    Thickness tolerance on surface 1 -4 *94<  
    TTHI   1   3        -0.20000000     0.54321462    -0.00081772     0.20000000     0.54484759     0.00081525 XK*55W &og  
    Change in Focus                :       0.000000                            0.000000 c#)!-5E~H  
    Thickness tolerance on surface 2 J\06j%d,  
    TTHI   2   3        -0.20000000     0.54478712     0.00075478     0.20000000     0.54327558    -0.00075675 u92);1R  
    Change in Focus                :       0.000000                           -0.000000 +,;"?j6<p  
    Decenter X tolerance on surfaces 1 through 3 6[.#B!;9  
    TEDX   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005 B=ckRW q  
    Change in Focus                :       0.000000                            0.000000 "+0Yhr?  
    Decenter Y tolerance on surfaces 1 through 3 ON,sN  
    TEDY   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005 ?"hrCEHV{9  
    Change in Focus                :       0.000000                            0.000000 ;+ -@AYl  
    Tilt X tolerance on surfaces 1 through 3 (degrees) OBnf5*eJ  
    TETX   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 5{zmuv:  
    Change in Focus                :       0.000000                            0.000000 Xu.Wdl/{Ra  
    Tilt Y tolerance on surfaces 1 through 3 (degrees) LqYP0%7  
    TETY   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 -RLY.@'d-M  
    Change in Focus                :       0.000000                            0.000000 V yOuw9  
    Decenter X tolerance on surface 1 w"PnN  
    TSDX   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671  v|K,  
    Change in Focus                :       0.000000                            0.000000 biLNR"/E  
    Decenter Y tolerance on surface 1 l+ ,p=  
    TSDY   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671 GgU8f0I  
    Change in Focus                :       0.000000                            0.000000 L'Yg$9Vz  
    Tilt X tolerance on surface (degrees) 1 @~=*W5  
    TSTX   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851 k^H&IS!  
    Change in Focus                :       0.000000                            0.000000 JJQS7,vG  
    Tilt Y tolerance on surface (degrees) 1 4Eri]O Ri  
    TSTY   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851 m}-*B1  
    Change in Focus                :       0.000000                            0.000000 9 HiH6f^5  
    Decenter X tolerance on surface 2 /VmtQ{KTt+  
    TSDX   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 VYR<x QA  
    Change in Focus                :       0.000000                            0.000000 21T#NYfew  
    Decenter Y tolerance on surface 2 2@Nt6r  
    TSDY   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 VxP cC+  
    Change in Focus                :       0.000000                            0.000000 K]{x0A  
    Tilt X tolerance on surface (degrees) 2 +GYO<N7  
    TSTX   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324 !&eKq?P{j  
    Change in Focus                :       0.000000                            0.000000 iJ&jg`"=F  
    Tilt Y tolerance on surface (degrees) 2 B,5kG{2!  
    TSTY   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324 sBq-"YcjR  
    Change in Focus                :       0.000000                            0.000000 4\_~B{kzZ  
    Decenter X tolerance on surface 3 {}n]\zO %  
    TSDX   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 f 0|wN\  
    Change in Focus                :       0.000000                            0.000000 b)[2t^zG  
    Decenter Y tolerance on surface 3 /g]NC?  
    TSDY   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 gX%"Ki7.  
    Change in Focus                :       0.000000                            0.000000 c 98^~vR]]  
    Tilt X tolerance on surface (degrees) 3 c%+_~iBUN  
    TSTX   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 ymW? <\AD,  
    Change in Focus                :       0.000000                            0.000000 \[J\I  
    Tilt Y tolerance on surface (degrees) 3 5Ic'6AIz  
    TSTY   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 yg^ 4<A  
    Change in Focus                :       0.000000                            0.000000 kf:Nub+h t  
    Irregularity of surface 1 in fringes L%`MoTpK q  
    TIRR   1            -0.20000000     0.50973587    -0.03429647     0.20000000     0.57333868     0.02930634 FKH_o  
    Change in Focus                :       0.000000                            0.000000 RxYC]R^78  
    Irregularity of surface 2 in fringes 2CF5qn}T  
    TIRR   2            -0.20000000     0.53400904    -0.01002330     0.20000000     0.55360281     0.00957047 Wt M1nnJp  
    Change in Focus                :       0.000000                            0.000000 KaIkO8Dq0  
    Irregularity of surface 3 in fringes dFl8'D  
    TIRR   3            -0.20000000     0.58078982     0.03675748     0.20000000     0.49904394    -0.04498840 . #FJM2Xk  
    Change in Focus                :       0.000000                            0.000000 8yC/:_ML  
    Index tolerance on surface 1 W9G1wU  
    TIND   1            -0.00100000     0.52606778    -0.01796456     0.00100000     0.56121811     0.01718578 h J H  
    Change in Focus                :       0.000000                            0.000000 ujf]@L?  
    Index tolerance on surface 2 1wg#4h43l  
    TIND   2            -0.00100000     0.55639086     0.01235852     0.00100000     0.53126361    -0.01276872 ,Dy9-o  
    Change in Focus                :       0.000000                           -0.000000 98rO]rg  
    eyzXHS*s;L  
    Worst offenders: VZ]}9k  
    Type                      Value      Criterion        Change j0~ dJ#  
    TSTY   2            -0.20000000     0.35349910    -0.19053324 0JXXJ:dB  
    TSTY   2             0.20000000     0.35349910    -0.19053324 7$JOIsM  
    TSTX   2            -0.20000000     0.35349910    -0.19053324 .O&[9`"'  
    TSTX   2             0.20000000     0.35349910    -0.19053324 }3/|;0j$  
    TSTY   1            -0.20000000     0.42678383    -0.11724851 9 >"}||))  
    TSTY   1             0.20000000     0.42678383    -0.11724851 O9P4r*prA  
    TSTX   1            -0.20000000     0.42678383    -0.11724851 4g)$(5jI}  
    TSTX   1             0.20000000     0.42678383    -0.11724851 Y M,UM>  
    TSTY   3            -0.20000000     0.42861670    -0.11541563 m2\[L/W]  
    TSTY   3             0.20000000     0.42861670    -0.11541563 (XNd]G  
    B.4Or]  
    Estimated Performance Changes based upon Root-Sum-Square method: o&)v{q  
    Nominal MTF                 :     0.54403234 N5 b^  
    Estimated change            :    -0.36299231 #OwxxUeZ  
    Estimated MTF               :     0.18104003 &e3pmHp'  
    +,zV [\  
    Compensator Statistics: Rjn%<R2nW  
    Change in back focus: 0C4Os p  
    Minimum            :        -0.000000 i.0d>G><@  
    Maximum            :         0.000000 RN2z/F Uf  
    Mean               :        -0.000000 %RIlu[J  
    Standard Deviation :         0.000000 w$0*5n>)  
    (7C$'T-ZK  
    Monte Carlo Analysis: p+;;01Z+_  
    Number of trials: 20 5^N y6t  
    * >k6n5%  
    Initial Statistics: Normal Distribution Zm vtUma  
    &],O\TAul  
      Trial       Criterion        Change -XfGF<}r  
          1     0.42804416    -0.11598818 lXRB"z  
    Change in Focus                :      -0.400171 ' L-h2  
          2     0.54384387    -0.00018847 r2\ }_pIj  
    Change in Focus                :       1.018470 uMjL>YLq{?  
          3     0.44510003    -0.09893230 "8 ?6;!,  
    Change in Focus                :      -0.601922 sWKv> bx  
          4     0.18154684    -0.36248550 z+c'-!e/  
    Change in Focus                :       0.920681 ~xJ ^YkyH  
          5     0.28665820    -0.25737414 _^D-nk?  
    Change in Focus                :       1.253875 7#j9"*  
          6     0.21263372    -0.33139862 ddY-F }z~  
    Change in Focus                :      -0.903878 g,B@*2Uj  
          7     0.40051424    -0.14351809 *G[` T%g  
    Change in Focus                :      -1.354815 xLP8*lvy  
          8     0.48754161    -0.05649072  USJ4Z  
    Change in Focus                :       0.215922 X([@}ren  
          9     0.40357468    -0.14045766 b?/Su<q  
    Change in Focus                :       0.281783 S`& yVzv  
         10     0.26315315    -0.28087919 CdKs+x&tZ  
    Change in Focus                :      -1.048393 PHMp, z8  
         11     0.26120585    -0.28282649 _TyQC1 d  
    Change in Focus                :       1.017611 m4^VlE,`Dh  
         12     0.24033815    -0.30369419 CoV @{Pi  
    Change in Focus                :      -0.109292 s>=$E~qq  
         13     0.37164046    -0.17239188 Pk5 %lu  
    Change in Focus                :      -0.692430 rS0#]Gg  
         14     0.48597489    -0.05805744 Z ZT2c0AK  
    Change in Focus                :      -0.662040 M"foP@  
         15     0.21462327    -0.32940907 EcPvE=^c  
    Change in Focus                :       1.611296 O O-Obg^  
         16     0.43378226    -0.11025008 2<*Yq 8  
    Change in Focus                :      -0.640081 0 ke1KKy/d  
         17     0.39321881    -0.15081353 &`_| [Y ]H  
    Change in Focus                :       0.914906 u1|v3/Q-  
         18     0.20692530    -0.33710703 ?sxf_0*  
    Change in Focus                :       0.801607 +A%zFF3  
         19     0.51374068    -0.03029165 I]B9+Z?xo  
    Change in Focus                :       0.947293 n.A*(@noe  
         20     0.38013374    -0.16389860 d;a"rq@a)  
    Change in Focus                :       0.667010 &<) _7?  
    jRp @-S#V  
    Number of traceable Monte Carlo files generated: 20 "WqM<kLa  
    NJKk\RM@7  
    Nominal     0.54403234 hysxHOL  
    Best        0.54384387    Trial     2 BT(G9 Pj;  
    Worst       0.18154684    Trial     4 ?[ D6|gp  
    Mean        0.35770970 nZ`=Up p)  
    Std Dev     0.11156454 4VzSqb  
    &A^2hPe}  
    xG(:O@  
    Compensator Statistics: tAb3ejCo?  
    Change in back focus: JV! }"[  
    Minimum            :        -1.354815 %Ip=3($Ku[  
    Maximum            :         1.611296 <4;f?e u  
    Mean               :         0.161872 tOPk x(  
    Standard Deviation :         0.869664 B,Jn.YX  
    d_98%U+u  
    90% >       0.20977951               wDs#1`uTq  
    80% >       0.22748071               }J=zO8OL  
    50% >       0.38667627               7.C]ZcU  
    20% >       0.46553746               5a* Awv}  
    10% >       0.50064115                tdC kvVE  
    &HJ~\6r\  
    End of Run. ,7e 2M@=  
    Y C}$O2  
    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 s'@@q  
    *1}vn%wvn  
    Vb2")+*:  
    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 6:\z8fYD  
    w2tkJcQ3  
    不吝赐教
     
    回复
    举报
    分享到
    离线sansummer
    助理工程师
    发帖
    959
    光币
    1087
    光券
    1
    只看该作者 1楼 发表于: 2011-06-21
    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？
    回复
    举报
    离线sansummer
    助理工程师
    发帖
    959
    光币
    1087
    光券
    1
    只看该作者 2楼 发表于: 2011-06-22
    90% >       0.20977951                 i@d@~M7/  
    80% >       0.22748071                 jfrUOl'l  
    50% >       0.38667627                 2!Ex55  
    20% >       0.46553746                 ~LzTqMHM  
    10% >       0.50064115 ';7|H|,F  
    ({x<!5XL  
    最后这个数值是MTF值呢，还是MTF的公差？ ^SRa!8z$W  
    z'X_ s.9F  
    也就是说，这到底是有90%的产品MTF大于0.20977951还是90%的产品的MTF变化量大于0.20977951？？？   ? 5 V-D8k  
    l@YpgyqaL  
    怎么没人啊，大家讨论讨论吗
    回复
    举报
    离线sansummer
    助理工程师
    发帖
    959
    光币
    1087
    光券
    1
    只看该作者 3楼 发表于: 2011-06-23
    没有人啊？？？
    回复
    举报
    离线天地大同
    助理工程师
    发帖
    295
    光币
    1899
    光券
    0
    只看该作者 4楼 发表于: 2011-06-23
    引用第2楼sansummer于2011-06-22 08:56发表的  : !d0@^JbM"  
    90% >       0.20977951                 ToJru  
    80% >       0.22748071                 !Z'm@,+  
    50% >       0.38667627                 N~ozyIP,  
    20% >       0.46553746                 !3&vgvr  
    10% >       0.50064115 !yI)3;$*  
    ....... YYvs~?bAy  
    z"O-d<U5  
    G\NCEE'A  
    这些数值都是MTF值
    回复
    举报
    离线天地大同
    助理工程师
    发帖
    295
    光币
    1899
    光券
    0
    只看该作者 5楼 发表于: 2011-06-23
    Criterion           : Geometric MTF average S&T at 30.0000 cycles per mm   I^|bQ3sor  
    Mode                : Sensitivities KE3v3g<  
    Sampling            : 2 O&s6blD11  
    Nominal Criterion   : 0.54403234 an2Tc*=~l(  
    Test Wavelength     : 0.6328 Mvh_>-i  
    4>E2G:  
    波长632.8nm 时 mtf 是 0.54403234  没达到0.6
    回复
    举报
    离线sansummer
    助理工程师
    发帖
    959
    光币
    1087
    光券
    1
    只看该作者 6楼 发表于: 2011-06-24
    回 5楼(天地大同) 的帖子
    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？ $S}x'F!4_  
    l!=WqIZ  
    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？
    回复
    举报
    离线天地大同
    助理工程师
    发帖
    295
    光币
    1899
    光券
    0
    只看该作者 7楼 发表于: 2011-06-24
    回 6楼(sansummer) 的帖子
    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
    回复
    举报
    离线sansummer
    助理工程师
    发帖
    959
    光币
    1087
    光券
    1
    只看该作者 8楼 发表于: 2011-06-24
    回 7楼(天地大同) 的帖子
    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？
    回复
    举报
    离线天地大同
    助理工程师
    发帖
    295
    光币
    1899
    光券
    0
    只看该作者 9楼 发表于: 2011-06-28
    回 8楼(sansummer) 的帖子
    恩，多多尝试
    回复
    举报
    发帖 回复
    返回列表
    123