Zoom system by rotation of toroidal lenses | Zendy

N. Bregenzer | Zendy; Martin Bawart | Zendy; Stefan Bernet | Zendy

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Zoom system by rotation of toroidal lenses

Author(s) -

N. Bregenzer,

Martin Bawart,

Stefan Bernet

Publication year - 2020

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.383090

Subject(s) - optics , zoom , toroid , rotation (mathematics) , saddle , physics , zoom lens , computer science , mathematics , artificial intelligence , lens (geology) , mathematical optimization , plasma , quantum mechanics

In a recent publication [Appl. Opt.57, 8087 (2018).] a zoom system based on rotating toroidal lenses had been theoretically suggested. Here we demonstrate two different experimental realizations of such a system. The first consists of a set of four individually rotatable cylindrical lenses, and the second of four rotatable diffractive optical elements with phase structures corresponding to "saddle-lenses". It turns out that image aberrations produced by the refractive zoom system are considerably reduced by the diffractive system.

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