Optical system having an optical surface containing aspherical t

Details Optical system having an optical surface containing aspherical t Optical system having an optical surface containing aspherical t

1978-10-23

1981-01-20

Clark, Conrad J.

G02B 304

Patent

active

042458927

ABSTRACT:
An optical system is provided which has an optical surface capable of being selected continuously between dimensionally numbered aberrations. The optical surface has a symmetry of revolution with respect to its horizontal axis defined by the length of a horizontal perpendicular from an arbitrary point on the surface to a plane tangential to the vertex of the surface, which is represented as a function of an absolute value for the height of the arbitrary point from the optical axis. The function contains aspherical terms with real number powers which are greater than 2, but not an integer.

REFERENCES:
patent: 2893290 (1959-07-01), Miles
patent: 3224331 (1965-12-01), Kompfner
patent: 3899244 (1975-08-01), Mulder

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