118045 20240319081024.0 doi 10.1016/j.optlastec.2022.108294 sideral 129389 ART-2022-129389 eng Torcal-Milla, F. Universidad de Zaragoza (orcid)0000-0003-3178-5253 Sector-based Fresnel zone plate with extended depth of focus 2022 Access copy available to the general public Unrestricted A Sector-based Fresnel zone plate consists of a binary diffractive lens composed of a mosaic of sectors of Fresnel zone plates with different focal distances. When these focal distances are linearly distributed within the sectors, dual focus is obtained. Besides, we explore the possibility to generate an extended depth-of-focus lens by using a cubic distribution of the focal distances assigned to the sectors and optimizing the weight factors given to the terms of the cubic polynomial. Finally, numerical simulations based on the Rayleigh-Sommerfeld approach are carried out and experimental verifications by using a Spatial Light Modulator are performed, showing high agreement. The proposed kind of zone plate has potential applications in different research fields such as microscopy, lithography, data storage, or imaging. info:eu-repo/grantAgreement/ES/DGA-FEDER/E44-20R info:eu-repo/grantAgreement/ES/MINECO-AEI-FEDER/DPI2016-75272-R info:eu-repo/grantAgreement/ES/MINECO/RTC-2019-007113-3 info:eu-repo/semantics/openAccess by-nc-nd http://creativecommons.org/licenses/by-nc-nd/3.0/es/ 5.0 2022 PHYSICS, APPLIED 40 / 160 = 0.25 2022 Q1 T1 OPTICS 18 / 99 = 0.182 2022 Q1 T1 0.874 2022 Atomic and Molecular Physics, and Optics 2022 Q1 Electronic, Optical and Magnetic Materials 2022 Q1 Electrical and Electronic Engineering 2022 Q1 8.3 2022 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Sanchez-Brea, L. Gomez-Pedrero, J. 2002 385 Universidad de Zaragoza Dpto. Física Aplicada Área Física Aplicada 154 (2022), 108294 [7 pp.] Opt. Laser Technol. Optics and Laser Technology 0030-3992 3061852 http://zaguan.unizar.es/record/118045/files/texto_completo.pdf Versión publicada 2572625 http://zaguan.unizar.es/record/118045/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:118045 articulos driver 2024-03-18-16:31:34 ARTICLE