Optical system comprising graded refractive index lens element

Details Optical system comprising graded refractive index lens element Optical system comprising graded refractive index lens element

1992-05-08

1994-05-17

Arnold, Bruce Y.

Optical: systems and elements

Lens

With graded refractive index

359684, 359687, 359692, G02B 910, G02B 1514

Patent

active

053133285

ABSTRACT:
An optical system comprising a plural number of lens elements at least one of which is designed as a graded refractive index lens element having refractive index distribution in the radial direction, and has aberrations favorably corrected in said optical system as a whole by making most of the correcting functions of the graded refractive index lens element for Petzval's sum and chromatic aberration.

REFERENCES:
patent: 4776679 (1988-10-01), Kitagishi et al.
patent: 4976521 (1990-12-01), Ishii et al.
patent: 4998807 (1991-03-01), Uzawa et al.
patent: 5011272 (1991-04-01), Nakayama et al.
patent: 5054898 (1991-10-01), Kitagishi et al.

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