Optical: systems and elements – Lens – With graded refractive index
Patent
1991-11-21
1993-08-03
Bovernick, Rodney B.
Optical: systems and elements
Lens
With graded refractive index
359654, 355 1, G02B 300, G03B 2744
Patent
active
052334694
ABSTRACT:
An imaging optical system using index distribution type optical elements comprises an imaging optical system for forming the image of an object on a light receiving surface, is formed by a plurality of optical elements of erect one-to-one magnification having a radial index distribution arranged in a row and satisfies the following relations: ##EQU1## D is the effective diameter of each optical element, Xo is the field radius of each optical element, and P is the arrangement interval of the optical elements.
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Bovernick Rodney B.
Canon Kabushiki Kaisha
Nguyen Thong
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