近红外透镜设计：SYNOPSYS 光学设计软件

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第8课展示了如何设计用于可见光谱的复消色差物镜。现在我们将设计一个用于波长1.06到1.97微米范围内的近红外透镜。 N N1(f
 
设计红外透镜时的挑战是寻找在光谱范围内有用且其成本吸引人的光学材料。 本课程的任务是重新设计现有透镜，用普通光学玻璃替换一些不需要的材料。 参考系统为1.RLE，ID为MIT 1 TO 2UM LENS。 您可以检查该透镜并检查其性能。 将光扇图的比例设置为0.01 mm。

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    CORE 16 PROJ

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    DSEARCH 3    QUIET    ! the best lens will show up in library location 3 (and also in PAD) SYSTEM            ! system requirements follow

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    ID NIR EXAMPLE    ! lens identification OBB 0 .935 17.5    ! specify the object

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    WAVL 1.97 1.53 1.06    ! and the wavelength range UNITS MM

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    END

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    GOALS    ! here we set the goals

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    ELEMENTS 5    ! since glass has a lower index, we’ll ask for 5. FNUM 1.428

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    BACK 16 .1

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    TOTL 50 .1

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    STOP FIRST    ! there seems to be no reason to let the stop position vary STOP FIX    ! so we put it in front and keep it there

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    NPASS 100

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    ANNEAL 200 20

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    RSTART 300    ! a useful starting radius,

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    TSTART 1    ! and this thickness on each element to start with QUICK 60 90

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    FOV 0 .5 1

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    FWT 2 1 1

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    GLASS POS    ! positive elements will use this glass type G D-FK61

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    GLASS NEG    ! and negative this type. G H-ZF88

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    END

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    SPECIAL    ! here we give requirements that are not defaults

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    ACM 3 .1 1    ! auto edge control (AEC) and center thickness control (ACC) are defaults ACA    ! but we add to these ACM, so thicknesses do not get too thin, ACA,

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    ASC    ! so rays do not approach the critical angle, and ASC so surfaces do not END    ! get too close to the hemisphere point.

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    GO    ! this starts the process. PROJ

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    PANT

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    VLIST RD ALL VLIST TH ALL END

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    AANT AEC

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    ACC    P

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    GSR    0.000000    2.000000    4    M    0.000000

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    GNR    0.000000    1.000000    4    M    0.500000

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    GNR    0.000000    1.000000    4    M    1.000000

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    M    0.160000E+02    0.100000E+00    A BACK

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    M    0.500000E+02    0.100000E+00    A TOTL

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    ACM 3 .1 1    ! AUTO EDGE CONTROL (AEC) AND CENTER THICKNESS CONTROL (ACC) ARE DEFAULTS ACA    ! BUT WE ADD TO THESE ACM, SO THICKNESSES DO NOT GET TOO THIN, ACA,

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    ASC    ! SO RAYS DO NOT APPROACH THE CRITICAL ANGLE, AND ASC SO SURFACES DO NOT END

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    SNAP/DAMP 1

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    SYNOPSYS    100

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    CORE 16

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    GSEARCH 3 QUIET LOG SURF

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    1 3 5 7 9

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    END

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    OFILE 'NIR_OPT.MAC' NAMES

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    G G-ZF52 G D-FK61 G H-ZF88 G H-F51

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    END USE 2 GO

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    SYNOPSYS>SPE

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    ID NIR EXAMPLE

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    ID1 DSEARCH CASE WAS 0000000000000000000010110    22

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    LENS SPECIFICATIONS:

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    SYSTEM SPECIFICATIONS

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    OBJECT DISTANCE    (TH0)    INFINITE    FOCAL LENGTH    (FOCL)    49.9800

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    OBJECT HEIGHT    (YPP0)    INFINITE    PARAXIAL FOCAL    POINT    15.9992

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    MARG RAY HEIGHT    (YMP1)    17.5000    IMAGE DISTANCE    (BACK)    15.9992

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    MARG RAY ANGLE    (UMP0)    0.0000    CELL LENGTH    (TOTL)    50.0025

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    CHIEF RAY HEIGHT    (YPP1)    0.0000    F/NUMBER    (FNUM)    1.4280

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    CHIEF RAY ANGLE    (UPP0)    0.9350    GAUSSIAN IMAGE    HT(GIHT)    0.8157

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    ENTR    PUPIL SEMI-APERTURE    17.5000    EXIT PUPIL SEMI-APERTURE    24.7688

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    ENTR    PUPIL LOCATION    0.0000    EXIT PUPIL LOCATION    -54.7406

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    WAVL (uM) 1.970000 1.530000 1.060000

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    WEIGHTS    1.000000 1.000000 1.000000

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    COLOR ORDER    2    1    3

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    UNITS    MM

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    APERTURE STOP SURFACE (APS)    1    SEMI-APERTURE    17.53054

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    FOCAL MODE    ON

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    MAGNIFICATION    -4.99800E-11 POLARIZATION AND COATINGS ARE IGNORED. SURFACE DATA

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    SURF    RADIUS    THICKNESS    MEDIUM    INDEX    V-NUMBER

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    0    INFINITE    INFINITE    AIR

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    1    83.04964    4.55863    D-FK61    1.48647    78.02 GUANGMIN

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    2    -90.13577    1.76097    AIR

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    3    -61.20988    2.89016    H-ZF88    1.87811    26.89 GUANGMIN

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    4    -136.80545    1.00000    AIR

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    5    26.01458    5.71573    D-FK61    1.48647    78.02 GUANGMIN

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    6    83.59388    25.92496    AIR

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    7    24.21580    2.91205    D-FK61    1.48647    78.02 GUANGMIN

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    8    117.43058    2.36412    AIR

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    9    -24.23661    2.87587    H-F51    1.60755    25.46 GUANGMIN

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    10    -40.27187S    15.99923S    AIR

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    IMG    INFINITE

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    KEY TO SYMBOLS

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    A    SURFACE    HAS TILTS AND DECENTERS    B    TAG ON SURFACE

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    G    SURFACE    IS IN GLOBAL COORDINATES    L    SURFACE IS IN LOCAL COORDINATES

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    O    SPECIAL    SURFACE TYPE    P    ITEM IS SUBJECT TO PICKUP

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    S    ITEM IS    SUBJECT TO SOLVE    M    SURFACE HAS MELT INDEX DATA

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    T    ITEM IS    TARGET OF A PICKUP


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    THIS LENS HAS NO SPECIAL SURFACE TYPES THIS LENS HAS NO TILTS OR DECENTERS SYNOPSYS>