Abstract

A study of the use of aspherics in the design of double Gauss lenses optimized at f/2 with a total field of view of 42° has been performed. Several specific designs incorporating one or two aspheric surfaces at different positions in the lens are presented. The aspheric designs yield substantially increased resolution as compared with an optimized spherical system.

© 1967 Optical Society of America

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References

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  1. R. E. Hopkins, D. P. Feder, Appl. Opt. 2, 1227 (1963).
    [CrossRef]
  2. R. E. Hopkins, J. Opt. Soc. Am. 52, 389 (1962).
    [CrossRef]

1963 (1)

1962 (1)

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Figures (12)

Fig. 1
Fig. 1

Lens 1—optimized spherical design.

Fig. 2
Fig. 2

Transverse abberation plots for lens 1 (d light; solid line refers to tangential fan, dashed line to sagittal fan).

Fig. 3
Fig. 3

Geometrical frequency response for lens 1.

Fig. 4
Fig. 4

Lens 2—aspherics on outer surfaces.

Fig. 5
Fig. 5

Transverse aberration plots for lens 2 (d light; solid line refers to tangential fan, dashed line to sagittal fan).

Fig. 6
Fig. 6

Geometrical frequency response for lens 2.

Fig. 7
Fig. 7

Lens 3—aspherics on inner surfaces.

Fig. 8
Fig. 8

Transverse aberration plots for lens 3 (d light; solid line refers to tangential fan, dashed line to sagittal fan).

Fig. 9
Fig. 9

Geometrical frequency response for lens 3.

Fig. 10
Fig. 10

Lens 4—aspheric corrector plate.

Fig. 11
Fig. 11

Transverse aberration plots for lens 4 (d light; solid line refers to tangential fan, dashed line to sagittal fan).

Fig. 12
Fig. 12

Geometrical frequency response for lens 4.

Tables (4)

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Table I Design Specifications for Lens 1

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Table II Design Specifications for Lens 2

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Table III Design Specifications for Lens 3

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Table IV Design Specifications for Lens 4

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