SYNOPSYS 光学设计软件课程十四:更具挑战性的优化
3P9ux -8xf}v~u 从平面平行的表面开始设计了一个七片透镜的镜头,这个镜头很接近我们的设计要求。 该课程旨在展示PSD III优化算法的速度。 baBBn%_V 在本课程中,我们将从相同的初始结构开始 - 但在这种情况下,我们希望四个视场都能实现高MTF,并将目录玻璃类型替换为前一课程的玻璃模型。 为了做到这一点,我们将使用自动实际玻璃插入程序ARGLASS d2V X\ 这是输入: +LF#XS@ RLE ! The starting system. 启动系统 _bGkJ= ID TEST PSD III SRwD`FF OBB 0 20 12.7 I]^>>>p$ WAVL CDF gs5(~YiT6 UNITS MM q pCI[[ 1 TH 5 GLM 1.6 50 2 TH 5 1>"-!ADm 3 TH 5 GLM 1.6 50 4 TH 5 6|zhqb|s 5 TH 5 GLM 1.6 50 6 TH 5 4b:|>Z- 7 TH 5 GLM 1.6 50 0^lWy+ 8 TH 5 TWzLJ63* 9 TH 5 GLM 1.6 50 s{-gsSmE 10 TH 5 |@vkQ
11 TH 5 GLM 1.6 50 p&h?p\IF 12 TH 5 {uj_4Ft 13 TH 5 GLM 1.6 50 DcW?L^Mst 14 TH 50 P.}d@qD{) 15 hbJ>GSoZ, APS 7 yd).}@ END |'q%9# PAD/U ! Show the initial system. 显示初始系统 u.|Z3=?VG PROJECT ! Start a timer, then define a symbol, AWT, for the aperture weight启动计时器,然后为孔径权重定义符号AWT 6RnzT d AWT: 0.5 ! almost equal weight over aperture孔径权重几乎相等 ;f=m+QXU QUIET ! not showing everything on the monitor speeds things up在显示屏上没有显示F数的一切东西 L5-|-PP|; PANT ! Define variables. 定义变量 X H-_tvB CUL 1.9 ! Set upper limit of 1.9 on index variables. 在折射率变量上设置上限1.9 Ks-$:~?5": FUL 1.9 /8FmPCp}r VY 1 YP1 ! Vary the paraxial stop position. 改变了近轴光阑位置 r3W3;L VLIST RAD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 E5w;75, VLIST TH ALL iQ;p59wSzL VLIST GLM ALL )S
caT1I END 5o#JHD >2'"}np* AANT ! Start of merit function definition. 开始评价函数定义 T$I_nxh[)L AEC 0B}4$STOo[ ACC QO2cTk
m M 33 2 A GIHT Rff F:,b GSR AWT 5 5 M 0 ! Note how weights are assigned to the several field points. 注意如何将权重分配给多个视场点 Z!)~?<gcq: GNR AWT 4 4 M .3 ! This creates a ray grid at the .3 field point这会在.3视场点处创建光线网格 DN*5q9. GNR AWT 4 4 M .6 ! These for the 0.6 field point这些为0.6视场点 WMSJU/-P GNR AWT 5 4 M .75 ! These for the 0.75 field point这些为0.75视场点 {KG 6#/%; GNR AWT 4 4 M .8 ! These for the 0.8 field point这些为0.8视场点 q,vWu(. GNR AWT 4 4 M 1 ! Full field全视场 kAki9a(=! END j3gDGw; ^7-zwl(>?N SNAP 100 |eqBCZn DAMP 1000 iwotEl0*{ SYNOPSYS 5 9}(w*>_L SYNOPSYS 10 E>!=~ 7. SYNOPSYS 15 ={qcDgn~C SYNOPSYS 100 c0qp-=^&. ANNEAL 50 10 2cR[~\_9. xN 1P# LOUD ! Restore output to the monitor将输出恢复到探测器 7>FXsUt_ MERIT? p+VU:%.t `(e :H STORE 3 ! Store the results in the library. 将结果存储在库中 M+)a6g e ARGLASS 3 QUIET ! Start of ARGLASS input. 开始ARGLASS输入 !@xO]Jwv CAT S ! Specify the Schott glass catalog. 指定Schott玻璃目录 Gv:~P_vBH[ INCLUDE 1 TO 13 ! Do all surfaces.执行所有表面 Zxa.x?:?n PREF ! Only use preferred glass types仅使用首选玻璃类型 2 !s&|lI SAFE ! and environmentally safe glasses.环保玻璃 CXa[%{[n GO ! Execute ARGLASS. 执行ARGLASS M/zO|-j& T5S4,.o9W PROJECT ! See how long the job took看看工作花了多长时间 >STtX6h MOF M 0 40 80 0 Q 30 20 10 ! Calculate the MTF over field. 计算视场上的MTF B5b:znW2@ 作业运行约30秒,并产生此结果: ]&cnc8tC RLE 0MG>77 ID TEST PSD III 180 H iyg1 WAVL .6562700 .5875600 .4861300 L:z0cvn" APS 1 ,>GHR{7>( UNITS MM D|]BFu)F OBB 0.000000 20.00000 12.70000 -25.39490 0.00000 0.00000 Cp8=8N(Xb 12.70000 0 AIR "mlQ z4D)5 1 RAD 63.9324304819396 TH 6.13775631 ;G[V:.o- 1 N1 1.82743442 N2 1.83402633 N3 1.84979432 aurs~ 1 CTE 0.584000E-05 t]/eCsR 1 GTB S 'N-LASF40 ' 3H,E8>Vd 2 RAD 121.4260973202004 TH 1.00000000 AIR <W4F`6`x 3 RAD 38.9734739086511 TH 20.57680176 :|S zD4Ag 3 N1 1.72508287 N2 1.72915286 N3 1.73846093 :E:e ^$p 3 CTE 0.581000E-05 I6>J.6luF9 3 GTB S 'N-LAK34 ' $#Pxf 4 RAD 87.2688769717594 TH 1.01574402 AIR x9_mlZ 5 RAD 76.7614323395048 TH 3.26054685 AK:cDKBO 5 N1 1.72090550 N2 1.72827542 N3 1.74642643 ;_<R +w3- 5 CTE 0.940000E-05 @:lM|2: 5 GTB S 'N-SF10 ' ).T&fa" 6 RAD 19.7361513224512 TH 21.84758786 AIR *ByHTd 7 RAD -29.7587962681538 TH 1.00000000 SQKhht`M 7 N1 1.83649445 N2 1.84665729 N3 1.87209365 Syk)S< 7 CTE 0.846000E-05 i"8mrWb 7 GTB S 'N-SF57 ' I \:WD" 8 RAD -38.0771643426431 TH 1.00000000 AIR }F`|_8L*v) 9 RAD 148.7057065172241 TH 6.45696908 bO '\QtW9 9 N1 1.91038602 N2 1.92285755 N3 1.95457944 V Z(/g"9 9 CTE 0.590000E-05 aeqz~z2~8s 9 GTB S 'N-SF66 ' m,l/=M 10 RAD 84.7349933920333 TH 1.28380951 AIR _(W@FS 11 RAD 116.5460118813826 TH 25.45671730 e8m,q~%#/ 11 N1 1.64820928 N2 1.65159874 N3 1.65934342 VF]AH}H8I 11 CTE 0.710000E-05 aSL`yuXu 11 GTB S 'N-LAK7 ' HU3:6R& 12 RAD -40.6054550188090 TH 18.94463076 AIR N8<J'7% 13 RAD 70.2471757058936 TH 25.49467569 PwY/VGT 13 N1 1.84254602 N2 1.85024035 N3 1.86897227 G7Nw}cVJ) 13 CTE 0.737000E-05 {SoI;o_> 13 GTB S 'N-LASF9 ' h$cm:uks 14 RAD 73.0342740343945 TH 16.56312158 AIR 15 CV 0.0000000000000 TH 0.00000000 AIR ua\t5M5 END S-Uod y eA!o#O. ARGLASS功能允许您过滤一些选项,这过滤项会影响程序选择玻璃。 例如,您可能只需要便宜的玻璃或耐酸性良好的玻璃。 在本练习中,我们只想使用具有良好环境特性的类型。 这是选择的内容: %!aU{E|@_ --- ARGLASS 3 QUIET ! START OF ARGLASS INPUT. *$f=`sj Lens number 3 ID TEST PSD III Kxe\H'rR GLASS N-LASF40 HAS BEEN ASSIGNED TO SURFACE 1; MERIT = 0.248127 . [|UNg GLASS N-LAK34 HAS BEEN ASSIGNED TO SURFACE 3; MERIT = 0.370709 QY\k3hiqn GLASS N-SF10 HAS BEEN ASSIGNED TO SURFACE 5; MERIT = 0.772238 U&?hG> GLASS N-SF57 HAS BEEN ASSIGNED TO SURFACE 7; MERIT = 0.290459 hI[}
- GLASS N-SF66 HAS BEEN ASSIGNED TO SURFACE 9; MERIT = 10.2718 #&3,T1i` GLASS N-LAK7 HAS BEEN ASSIGNED TO SURFACE 11; MERIT = 0.214292 M`MxdwR GLASS N-LASF9 HAS BEEN ASSIGNED TO SURFACE 13; MERIT = 0.203867 )rc!irac] y^.66BH 要检查这些玻璃的属性,我们输入命令 B#sCB&( 列出玻璃属性,所有玻璃 mScv7S~/s (In{GA7; 并得到一个列表,其中一部分如下所示: _O9V"DM *********************************************************** v.0qE}'
| GLASS ATTRIBUTE FOR SURFACE NO. 1 ((y|?Z$ SCHOTT N-LASF40 eP{srP3 9 GLASS IS A PREFERRED TYPE. X.]I4O&_ GLASS IS ENVIRONMENTALLY SAFE (NO Pb OR As). 6].[z+ %mI0*YRma PRICE BUBBLE HUMIDITY STAIN ACID RESIST ALKALI RESIST SP GRAVITY 1S{Biqi+ 6.0 1 1 2 5 1 4.55 THIS GLASS HAS A LIST OF TRANSMISSION VALUES ATTACHED j"W>fC/u VALID RANGE OF TRANSMISSION DATA: `e[S Zj\ LOW HIGH P_bB{~$4 0.365 2.500 XS<>0YM GLASS HAS SELLMEIER INDEX COEFFICIENTS: N?GTfN 0.1985503E+01 0.2740570E+00 0.1289457E+01 0.1095833E-01 0.4745516E-01 0.9690853E+02 Psb !Z( GLASS HAS 6 DNDT VALUES FROM GLASS TABLE: QcegT/vO 8.1000E-06 1.2500E-08 -1.7300E-11 8.2700E-07 1.0800E-09 2.3800E-01 F(")ga$r THERMAL COEFFICIENT (ALPHA) = 0.584E-05 ycA<l" *********************************************************** KE?t?p %nA})nA7= 如果这看起来像你所追求的那样,将ADT监视器添加到AANT文件中并进一步优化以修复薄透镜。分析镜头以找出问题,然后告诉AANT。 i~B?p[ 我们建议您自己运行此练习。尝试更改一些视场权重或孔径权重,然后再次运行。结果对这些变化非常敏感,当你设计自己的镜片时,你需要了解哪些控制有效,哪些控制无效。 CH++3i2& 这个例子从平面平行板开始,产生了一个相当不错的镜头。如果你运行它会发生什么。 h~dQ5% (该程序以非零光焦度开始,根据其规则分配,并发现更多设计。)我们尝试了解这个问题,并得到了更好的解决方案。调整输入变量以查看发生的情况。 n#_B4UqW%
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