Optical air lens system

Details Optical air lens system Optical air lens system

1975-03-17

1976-08-24

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351 43, 350175E, G02B 106, G02C 100

Patent

active

039763641

ABSTRACT:
In an optical system the use of a plurality of air lenses set in an optical medium of higher refractive index than air at a predetermined distance from an object such that various optical aberrations are minimized or eliminated by using aplanatic optical surfaces. Refraction occurs only for a ray going from the higher to the lower refractive index medium. Rays entering the higher refractive index medium from the lower are never refracted since the optical surface is always chosen to have its center or radius coincident with the object or image being optically operated on by the lens. The system can be used to magnify the image of an object, the object being most any two-dimensional representation such as a negative or a positive print. The object might alternatively be a light source or an external object whose rays are imaged onto an embedded light sensor so that the functions of the source or sensor respectively can be enhanced by the optical system.

REFERENCES:
patent: 2080120 (1971-05-01), Everett
patent: 3297393 (1967-01-01), Ziegler
patent: 3383622 (1968-05-01), Dixon et al.
patent: 3405992 (1968-10-01), Hutson et al.
patent: 3506332 (1970-04-01), Dewey, Jr. et al.
patent: 3514188 (1970-05-01), Blosse et al.
patent: 3586419 (1971-06-01), Wakimoto et al.

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