切换到宽版
  • 广告投放
  • 稿件投递
  • 繁體中文
    • 16380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
    在线sansummer
     
    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 B*9?mcP\  
    xo2j fz  
    @>8 {J6%\  
    O<ybiPR  
    然后添加了默认公差分析,基本没变 skU }BUK6  
    LB[?kpy  
    ZUvc|5]  
    nPDoK!r'  
    然后运行分析的结果如下: ]re}EB\Rs  
    c?KIHZ0  
    Analysis of Tolerances LXZI|K[}k  
    K=r~+4F  
    File : E:\光学设计资料\zemax练习\f500.ZMX qJ .XI   
    Title: qz.l  
    Date : TUE JUN 21 2011 l%p,m [  
    Q#*R({)GH  
    Units are Millimeters. 'Hs*  
    All changes are computed using linear differences. \}X[0ct2!  
    T%;NW|mH&  
    Paraxial Focus compensation only. 4TYtgP1  
    u \<APn  
    WARNING: Solves should be removed prior to tolerancing. &C)97E  
    IM,4Si2  
    Mnemonics: <;uM/vS i  
    TFRN: Tolerance on curvature in fringes. oX'@,(6)  
    TTHI: Tolerance on thickness. +zXcTT[V  
    TSDX: Tolerance on surface decentering in x. ;}M&fXFp"|  
    TSDY: Tolerance on surface decentering in y. LOr(HgyC  
    TSTX: Tolerance on surface tilt in x (degrees). B79~-,Yh  
    TSTY: Tolerance on surface tilt in y (degrees). <_]W1V:0  
    TIRR: Tolerance on irregularity (fringes). W Q9Q:F2  
    TIND: Tolerance on Nd index of refraction. $~VIx% h  
    TEDX: Tolerance on element decentering in x. <@l j\,  
    TEDY: Tolerance on element decentering in y. S]Di1E^r;_  
    TETX: Tolerance on element tilt in x (degrees). z@ `u$D$n  
    TETY: Tolerance on element tilt in y (degrees). 9}L2$^#,NA  
    ~|N,{GaL  
    WARNING: RAY AIMING IS OFF. Very loose tolerances may not be computed accurately. g++-v HD  
    C\OZs%]At  
    WARNING: Boundary constraints on compensators will be ignored. e}P@7e  h  
    RKM5FXX  
    Criterion           : Geometric MTF average S&T at 30.0000 cycles per mm &pR 8sySu  
    Mode                : Sensitivities j ,lI\vw<  
    Sampling            : 2 >>"@ 0tO  
    Nominal Criterion   : 0.54403234 #sk~L21A  
    Test Wavelength     : 0.6328 ,?HM5c{'[Y  
    %NTJih`  
    ] W$V#  
    Fields: XY Symmetric Angle in degrees W$`#X  
    #      X-Field      Y-Field       Weight    VDX    VDY    VCX    VCY K-K>'T9F}  
    1   0.000E+000   0.000E+000   1.000E+000  0.000  0.000  0.000  0.000 g \ou+M#  
    ZHlHnUo  
    Sensitivity Analysis: FMhuCl2  
    atmW? Z  
                     |----------------- Minimum ----------------| |----------------- Maximum ----------------| z-:>[Sn  
    Type                      Value      Criterion        Change          Value      Criterion        Change 71ab&V il  
    Fringe tolerance on surface 1  q*C-DiV  
    TFRN   1            -1.00000000     0.54257256    -0.00145977     1.00000000     0.54548607     0.00145374 t* p%!xsH  
    Change in Focus                :      -0.000000                            0.000000 GV28&!4sS  
    Fringe tolerance on surface 2 ]!N=Z }LD  
    TFRN   2            -1.00000000     0.54177471    -0.00225762     1.00000000     0.54627463     0.00224230 O{Mn\M6  
    Change in Focus                :       0.000000                            0.000000 bI_MF/r''  
    Fringe tolerance on surface 3 CS5[E-%}T=  
    TFRN   3            -1.00000000     0.54779866     0.00376632     1.00000000     0.54022572    -0.00380662 ;>;it5 l=  
    Change in Focus                :      -0.000000                            0.000000 @K}h4Yok  
    Thickness tolerance on surface 1 ^".6~{  
    TTHI   1   3        -0.20000000     0.54321462    -0.00081772     0.20000000     0.54484759     0.00081525 3 TTQf f  
    Change in Focus                :       0.000000                            0.000000 "WO0 rh`  
    Thickness tolerance on surface 2 r* l c#  
    TTHI   2   3        -0.20000000     0.54478712     0.00075478     0.20000000     0.54327558    -0.00075675 "dE[X` }=  
    Change in Focus                :       0.000000                           -0.000000 DsD? &:  
    Decenter X tolerance on surfaces 1 through 3 }T AG7U*  
    TEDX   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005 tmM; Z(9t  
    Change in Focus                :       0.000000                            0.000000 R@/"B?`(f  
    Decenter Y tolerance on surfaces 1 through 3 5h Dy62PRr  
    TEDY   1   3        -0.20000000     0.54401464   -1.7700E-005     0.20000000     0.54401464   -1.7700E-005 DL,]iJm  
    Change in Focus                :       0.000000                            0.000000 #6l(2d  
    Tilt X tolerance on surfaces 1 through 3 (degrees) !IB}&m  
    TETX   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 q)KOI` A  
    Change in Focus                :       0.000000                            0.000000 #};Zgixo$  
    Tilt Y tolerance on surfaces 1 through 3 (degrees) VZ y$0*  
    TETY   1   3        -0.20000000     0.54897548     0.00494314     0.20000000     0.54897548     0.00494314 [Fv,`*/sm  
    Change in Focus                :       0.000000                            0.000000 zA:q/i  
    Decenter X tolerance on surface 1 ^U96p0H"T  
    TSDX   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671 a2kAZCQ  
    Change in Focus                :       0.000000                            0.000000 P=\Hi.]%  
    Decenter Y tolerance on surface 1 b!`Ze~V  
    TSDY   1            -0.20000000     0.53999563    -0.00403671     0.20000000     0.53999563    -0.00403671 Jf\`?g3#  
    Change in Focus                :       0.000000                            0.000000 wu &lG!#  
    Tilt X tolerance on surface (degrees) 1 i\gt @  
    TSTX   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851 +dRRMyxe4  
    Change in Focus                :       0.000000                            0.000000 bZK^q B  
    Tilt Y tolerance on surface (degrees) 1 8lS RK%  
    TSTY   1            -0.20000000     0.42678383    -0.11724851     0.20000000     0.42678383    -0.11724851 c': 4e)  
    Change in Focus                :       0.000000                            0.000000 Y6v#0pT  
    Decenter X tolerance on surface 2 n:b,zssP  
    TSDX   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 DUH_LnHw)  
    Change in Focus                :       0.000000                            0.000000 0>]&9'cn  
    Decenter Y tolerance on surface 2 moh,aB#  
    TSDY   2            -0.20000000     0.51705427    -0.02697807     0.20000000     0.51705427    -0.02697807 {XUSw8W'  
    Change in Focus                :       0.000000                            0.000000 C>mFylN  
    Tilt X tolerance on surface (degrees) 2 W- nS{v(  
    TSTX   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324 R rYNtc  
    Change in Focus                :       0.000000                            0.000000 HDKY7Yr  
    Tilt Y tolerance on surface (degrees) 2 LP'q$iB!  
    TSTY   2            -0.20000000     0.35349910    -0.19053324     0.20000000     0.35349910    -0.19053324 Wm5[+z|2?9  
    Change in Focus                :       0.000000                            0.000000 MpvGF7H  
    Decenter X tolerance on surface 3 w^YXnLLJG  
    TSDX   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 Wg,@S*x(  
    Change in Focus                :       0.000000                            0.000000 V[kn'QkWv  
    Decenter Y tolerance on surface 3 81(\8#./  
    TSDY   3            -0.20000000     0.53419039    -0.00984195     0.20000000     0.53419039    -0.00984195 lA;^c)  
    Change in Focus                :       0.000000                            0.000000 vv<\LN0  
    Tilt X tolerance on surface (degrees) 3 8Q{9AoQ3'  
    TSTX   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 5MZv!N   
    Change in Focus                :       0.000000                            0.000000 D/%v/mpj$  
    Tilt Y tolerance on surface (degrees) 3 v0tFU!Q%  
    TSTY   3            -0.20000000     0.42861670    -0.11541563     0.20000000     0.42861670    -0.11541563 p>:.js5.a  
    Change in Focus                :       0.000000                            0.000000 {4f%UnSz(  
    Irregularity of surface 1 in fringes TcJJ"[0  
    TIRR   1            -0.20000000     0.50973587    -0.03429647     0.20000000     0.57333868     0.02930634 8}4.x3uw  
    Change in Focus                :       0.000000                            0.000000 pY&dw4V  
    Irregularity of surface 2 in fringes R!WDQGR(2  
    TIRR   2            -0.20000000     0.53400904    -0.01002330     0.20000000     0.55360281     0.00957047 d{@'&?tj  
    Change in Focus                :       0.000000                            0.000000 UX.rzYM&T  
    Irregularity of surface 3 in fringes &jQqlQ j  
    TIRR   3            -0.20000000     0.58078982     0.03675748     0.20000000     0.49904394    -0.04498840 ;:ZD<'+N  
    Change in Focus                :       0.000000                            0.000000 g}K/ba'  
    Index tolerance on surface 1 gm8Jx hL  
    TIND   1            -0.00100000     0.52606778    -0.01796456     0.00100000     0.56121811     0.01718578 MPyDG"B*  
    Change in Focus                :       0.000000                            0.000000 9f5~hBlo  
    Index tolerance on surface 2 .*>C[^  
    TIND   2            -0.00100000     0.55639086     0.01235852     0.00100000     0.53126361    -0.01276872 u|u)8;'9(  
    Change in Focus                :       0.000000                           -0.000000 ~| ZAS]  
    H1KXAy`&  
    Worst offenders: Gv }  
    Type                      Value      Criterion        Change :eB+t`M  
    TSTY   2            -0.20000000     0.35349910    -0.19053324 O&~ @ior  
    TSTY   2             0.20000000     0.35349910    -0.19053324 nU\.`.39 +  
    TSTX   2            -0.20000000     0.35349910    -0.19053324 B9cWxe4R#  
    TSTX   2             0.20000000     0.35349910    -0.19053324 *ezft&{)`  
    TSTY   1            -0.20000000     0.42678383    -0.11724851 T?=]&9Y'  
    TSTY   1             0.20000000     0.42678383    -0.11724851 -49I3&  
    TSTX   1            -0.20000000     0.42678383    -0.11724851 >c5   
    TSTX   1             0.20000000     0.42678383    -0.11724851 b].U/=Hs  
    TSTY   3            -0.20000000     0.42861670    -0.11541563 [eTEK W]  
    TSTY   3             0.20000000     0.42861670    -0.11541563 7M5H vG#w%  
    p} eO  
    Estimated Performance Changes based upon Root-Sum-Square method: e7&RZ+s#wZ  
    Nominal MTF                 :     0.54403234 2bw.mp&v1  
    Estimated change            :    -0.36299231 vS3Y9|-:  
    Estimated MTF               :     0.18104003 w T_l>u  
    l 6aD3?8LN  
    Compensator Statistics: BePb8 k<y  
    Change in back focus: Dvl\o;  
    Minimum            :        -0.000000 RF4B ]Gqd  
    Maximum            :         0.000000 ;b=7m#5  
    Mean               :        -0.000000 +u\w4byl  
    Standard Deviation :         0.000000 ~HT:BO$  
    k*F9&-rtN  
    Monte Carlo Analysis: !,5qAGi0  
    Number of trials: 20 '}(Fj2P79  
    ~ Hj c?*  
    Initial Statistics: Normal Distribution JnnxXj30,  
    l ^}5PHLd  
      Trial       Criterion        Change r~fnK%|  
          1     0.42804416    -0.11598818 O~ x{p,s U  
    Change in Focus                :      -0.400171 w Bm4~ ~_  
          2     0.54384387    -0.00018847 rd[mC[ r  
    Change in Focus                :       1.018470 \Ov~ t  
          3     0.44510003    -0.09893230 IEJ)Q$GI#  
    Change in Focus                :      -0.601922 'X/:TOk{W  
          4     0.18154684    -0.36248550 gf4Hq&Rf  
    Change in Focus                :       0.920681 Ep')@7^n  
          5     0.28665820    -0.25737414 Iq6EoDoq  
    Change in Focus                :       1.253875 d0zp89BEn  
          6     0.21263372    -0.33139862 Yc3\  
    Change in Focus                :      -0.903878 ^r7KEeVD  
          7     0.40051424    -0.14351809 s`.J!^u`  
    Change in Focus                :      -1.354815 _25PyG  
          8     0.48754161    -0.05649072 7M?Sndp$  
    Change in Focus                :       0.215922 }20tdD ~  
          9     0.40357468    -0.14045766 tO"AeZe%|  
    Change in Focus                :       0.281783 _)3C_G1!  
         10     0.26315315    -0.28087919 CR#-!_=4  
    Change in Focus                :      -1.048393 7/BjWU5*  
         11     0.26120585    -0.28282649 4@a/k[,  
    Change in Focus                :       1.017611 n>SK2`  
         12     0.24033815    -0.30369419 [E2".F3  
    Change in Focus                :      -0.109292 `G*fx=N  
         13     0.37164046    -0.17239188 Tpkt'|8  
    Change in Focus                :      -0.692430 i-dosY`81  
         14     0.48597489    -0.05805744 BI!EmA  
    Change in Focus                :      -0.662040 < mFU T  
         15     0.21462327    -0.32940907 \]\GDpu[  
    Change in Focus                :       1.611296 c@4$)68  
         16     0.43378226    -0.11025008 ^hT2 ed +  
    Change in Focus                :      -0.640081 [+}0K{(O=  
         17     0.39321881    -0.15081353 UKB/>:R  
    Change in Focus                :       0.914906 G1ruF8  
         18     0.20692530    -0.33710703 />>KCmc  
    Change in Focus                :       0.801607 j[t2Bp  
         19     0.51374068    -0.03029165 @|'9nPern  
    Change in Focus                :       0.947293 F)/4#[  
         20     0.38013374    -0.16389860 -ni@+Dy  
    Change in Focus                :       0.667010 9]/:B8k  
    Lo}/k}3Sx  
    Number of traceable Monte Carlo files generated: 20 *F(<:3;2  
    ; =*=P8&5  
    Nominal     0.54403234 , BZ(-M  
    Best        0.54384387    Trial     2 FZ8Qj8  
    Worst       0.18154684    Trial     4 k%s,(2)30  
    Mean        0.35770970 %Z*)<[cIE0  
    Std Dev     0.11156454 ,k9.1kjO*)  
    {)Wa"|+  
    v9t'CMU  
    Compensator Statistics: 0+w(cf~6  
    Change in back focus: :kjs: 6f]  
    Minimum            :        -1.354815 Ou f\%E<  
    Maximum            :         1.611296 ]{ch]m  
    Mean               :         0.161872 2%H_%Zu9  
    Standard Deviation :         0.869664 ,hT**(W  
    AOTtAV_e  
    90% >       0.20977951               T[cJ   
    80% >       0.22748071               'Ir   
    50% >       0.38667627               9p4SxMMO  
    20% >       0.46553746               4 .(5m\s!  
    10% >       0.50064115                6hXh;-U  
    -7 Kstc-  
    End of Run. =<ht@-1  
    l#p?lBm1  
    这就有了些疑问,为什么我选择的补偿器是近轴焦点,而分析结果近轴焦点都不变化??应该是变得。另外最后的蒙特卡洛分析,只有10%的大于0.5(我用的是MTF作为评价方式),可是我设计的MTF如图 ,1v FX$  
    Ngm/5Lc  
    '68#7Hs.  
    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 kmu7~&75  
    oj ,;9{-  
    不吝赐教
     
    分享到
    在线sansummer
    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?
    在线sansummer
    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                 aQj6XG u  
    80% >       0.22748071                 :G5O_T$  
    50% >       0.38667627                 _0Y?(}  
    20% >       0.46553746                 vOtILL6  
    10% >       0.50064115 mZjP;6  
    nKjT&R  
    最后这个数值是MTF值呢,还是MTF的公差? j`MK\*qmz  
    >;fn,9w  
    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???   J@ 8OU  
    R~RE21kAc  
    怎么没人啊,大家讨论讨论吗
    在线sansummer
    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???
    离线天地大同
    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  : QI78/gT,d  
    90% >       0.20977951                 Ms-)S7tMz  
    80% >       0.22748071                 S7~HBgS<  
    50% >       0.38667627                 6r`Xi&  
    20% >       0.46553746                 Xx\,<8Xn  
    10% >       0.50064115 al7D3J  
    ....... eK}GBBdO  
    ?MS!t6  
    K@ a#^lmd  
    这些数值都是MTF值
    离线天地大同
    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   $xjfW/k?M  
    Mode                : Sensitivities &2I8!Ia  
    Sampling            : 2 s-~`Ao' <  
    Nominal Criterion   : 0.54403234 "{zqXM}:C  
    Test Wavelength     : 0.6328 VCvf'$4(X  
    ES8(:5  
    波长632.8nm 时 mtf 是 0.54403234  没达到0.6
    在线sansummer
    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? O- LwX >  
    eC L_c>3!  
    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?
    离线天地大同
    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
    在线sansummer
    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?
    离线天地大同
    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