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Lens Design Cloud -  User's Guide

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Input Parameters

Lenses
Light Sources

Lenses and Evaluation Plane

Insert Lens
 Evaluation Surface
Paraxial Image Plane

Rays, Bundles, Object, and Gaussian Beam

Single Rays
Bundles
Object
Gaussian
# X0 Y0 Z0 U0 V0 W0 Wavelength
Add bundle
Position Parameters
Light collection parameters
Wavelength parameters
Optimization parameters

See note at the top of the 'Paraxial' output tab regarding magnification and infinite object/image distance.

See note at the top of the 'Paraxial' output tab regarding magnification and infinite object/image distance.

See note at the top of the 'Paraxial' output tab regarding magnification and infinite object/image distance.

Parameters
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  Messages:

    Output

    Ray Statistics
    Plot
    Diagram
    Paraxial

    Ray Statistics

    Single Rays
    Ray Bundles
    Object
    Gaussian
    # X Y Z Note
    # Number of rays Passing rays X Mean Y Mean STD (μmμrads)
    Source Position Magnification STD (μmμrads) Distortion
    • Diffraction Limit   0.0 μmμrads

    * for λ=42 nm

    • Object Ray Count   -1.904
    • Object Rays Through   57.000
    • Object Magnification   -2.013
    • Object Merit Function   2.164
    • Evaluation Radius   0.000
    • Rayleigh Range   0.000
    • Waist Position   0.000
    • Waist Radius   0.000
    • Relative Position   0.000
    Component Surface Radius Loss %
    Full Scale Zoom to Center

    : diffraction limited spot, for λ=42 nm

    The scale is in units scaled to the distance of a physical evaluation plane. For example, if you are 1 furlong away from the optical system, the scale would be in furlongs.

    Recenter Zoom on optics

    Click and drag to rotate and zoom, click to select lenses

    Blue lens: aperture stop
    Grey lines: rays that do not pass through a lens
    Coloured lines: rays that pass completely through the system
    Yellow/green arrow: object/image in paraxial approximation
    1 square : 1 mm

    Paraxial Parameters

    • Effective Focal Length   54.703
    • Magnification   -1.904
    • Aperture Stop Surface   2.000
    • F#   2.188

    Actual magnification is the magnification value given multiplied by the distance to the physical image. Paraxially, the value given is 1/(focal length), but negative if the image is inverted.

    Actual magnification is the magnification value given divided by the distance to the physical object. Paraxially, the value given is the focal length, but negative if the image is inverted.

    Magnification is the ratio of the slope of an output ray to the slope of an input ray.

    Paraxial Diagram
    image/svg+xml 42(1) 42(2) 42(3) 42(4) 42(5) 42(6) 42(7) 42(8) 42(9) 42(10) 42(11) 42(13) 42(12) ;

    This is a cartoon drawing made for clarity, rather than being to scale. So in many situations, the order of surfaces may be different than what is shown.

    Note: Paraxial parameters do NOT take into account any aspheric components.

    (1): Object position (this is an input parameter)
    (2): Front focal plane
    (3): Front principal plane
    (4): Back principal plane
    (5): Back focal plane
    (6): Image plane (this is NOT the same as the evaluation surface)
    (7): Distance from object to front principal plane
    (8): Effective focal length
    (9): Distance from back principal plane to image plane
    (10): Entrance pupil position
    (11): Entrance pupil radius
    (12): Exit pupil position
    (13): Exit pupil radius

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