Abstract

We propose what to our knowledge is a novel optical system that can scan an optical axis simultaneously in the perpendicular and the longitudinal directions (a two-dimensional scanner), which we have named the FOCOIVA (acronym for focal constant and image variable) lens system. We give the equations for first-order analysis and also the equations of motion for the lenses. Examples calculated with these equations are presented, and finally we give the optical designs for the writing system that will be used for a reader of digital documents.

© 2001 Optical Society of America

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