Cylindrical and Powell liquid crystal lenses with positive-negative optical power

Algorri Genaro, José Francisco; Morawiak, Przemek; Zografopoulos, Dimitrios C.; Bennis, Noureddine; Spadlo, Anna; Rodríguez Cobo, Luis; Jaroszewicz, Leszek R.; Sánchez Pena, José Manuel; López Higuera, José Miguel

doi:10.1109/LPT.2020.3011673

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Identificadores

URI: http://hdl.handle.net/10902/20854

DOI: 10.1109/LPT.2020.3011673

ISSN: 1041-1135

ISSN: 1941-0174

Fecha

2020-09-01

Derechos

© 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Publicado en

IEEE Photonics Technology Letters, 2020, 32(17), 1057-1060

Editorial

Institute of Electrical and Electronics Engineers Inc.

Enlace a la publicación

https://doi.org/10.1109/LPT.2020.3011673

Palabras clave

Cylindrical lenses

Powell lenses

Liquid crystals

Resumen/Abstract

We demonstrate a technique to engineer cylindrical and Powell liquid crystal lenses with positive or negative optical power. The device is based on two indium-tin-oxide electrode combs and a microstructured voltage transmission electrode. The technique features the advantages of a multielectrode lens, albeit using a single lithographic step and only two voltage sources. Extensive control of the phase profile across the device active area is demonstrated, achieving both positive and negative optical power. The lens aperture is not constrained by the geometrical parameters and can be scaled to larger values.