Imaging optical system using index distribution type optical ele

Optical: systems and elements – Lens – With graded refractive index

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359654, 355 1, G02B 300, G03B 2744

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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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Applied Optics--"Application of Gradient Index Fibre Array to Copying Machine", Kawazu et al., vol. 19, No. 7, pp. 1105-1112; Apr. 1980.

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