Double axial gradient lens and process for fabrication thereof

Details Double axial gradient lens and process for fabrication thereof Double axial gradient lens and process for fabrication thereof

1989-07-13

1991-09-03

Sugarman, Scott J.

Optical: systems and elements

Lens

With graded refractive index

359900, G02B 300, G02B 902

Patent

active

050447378

ABSTRACT:
A monolithic double-axial gradient lens (30) is provided. The lens has an optic axis and three sections perpendicular to the optic axis: a first section (34) having a first graded index of refraction profile and having an outer surface, a middle section (32) having a second graded index of refraction profile, and a third section (36) having a third graded index of refraction profile and having an outer surface. A gradient in the index of refraction is provided in at least the first and third sections. As a result of appropriate selection of gradients, spherical and chromatic aberrations are eliminated or at least reduced, and thermal dependency of optical properties is minimized.

REFERENCES:
patent: 4758071 (1988-07-01), Mclaughlin et al.
Heel, "One Radius Doublets", Optica Acta, vol. 2,4/55, pp. 29-35.

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