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

G - Physics

02

B

49/79, 49/82, 88

G02B 3/00 (2006.01) B29D 11/00 (2006.01) C03B 23/22 (2006.01)

Patent

CA 2036377

29 DOUBLE AXIAL GRADIENT LENS AND PROCESS FOR FABRICATION THEREOF ABSTRACT OF THE DISCLOSURE 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 elimi- nated or at least reduced, and thermal dependency of optical properties is minimized.

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