Aplanatic microlens and method for making same

Details Aplanatic microlens and method for making same Aplanatic microlens and method for making same

1992-10-19

1994-01-25

Sugarman, Scott J.

Optical: systems and elements

Lens

Spherical

359642, 385 35, G02B 300, G02B 632

Patent

active

052820882

ABSTRACT:
An aplanatic microlens consisting of a sphere which is less than one millimeters in diameter. The sphere is made of a transparent material and has a plane surface ground into it so that the radial distance from the center of the sphere to the nearest point on the plane surface is equal to the radius of the sphere divided by the ratio of the index of refraction of the transparent material and the index of refraction of the medium which will surround the lens in use.

REFERENCES:
patent: 4118270 (1978-10-01), Pan et al.
patent: 4354734 (1982-10-01), Nakahashi
patent: 4557566 (1985-12-01), Kikuchi et al.
patent: 5083223 (1992-01-01), Igarashi
"SMILE Spherical Micro Integrated Lenses", Fotoform Products Group, Corning Incorporated, MP 21-3-5, Corning, N.Y., (3 pages).

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