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Super-resolution and apodization with discrete adaptive optics

Abstract: High-resolution imaging is of great importance in various fields. The use of pupil phase-only filters (PPF) exceeds the diffraction limit of the imaging system in a simple way. When dealing with distorted wavefronts, however, PPF require that aberrations be compensated for. In this paper, we introduce a novel technique consisting of the use of discrete adaptive optics with PPFs so that the compensating device implements the PPF at the same time. Analysis of the theory for point spread function reshaping using PPFs has enabled us to develop a new approach to characterizing apodizing filters. A validation experiment has been carried out, the first of its kind to our knowledge, in which a number of PPFs were combined with two levels of compensation. Our experimental results are discussed.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: Cagigal M.P., Fuentes A., Canales V.F., Valle P.J., Cagigas M.A., Castellanos O.,

 Fuente: Optics Letters, 2023, 48(14), 3689 -3692

Editorial: Optica Publishing Group

 Fecha de publicación: 03/07/2023

Nº de páginas: 4

Tipo de publicación: Artículo de Revista

 DOI: 10.1364/OL.497308

ISSN: 0146-9592,1539-4794,1071-2763

 Proyecto español: AYA2016-78773-C2-1-P

Url de la publicación: https://doi.org/10.1364/OL.497308

Autoría

ANTONIO FUENTES RUIZ

CAGIGAS, MIGUEL ÁNGEL

CASTELLANOS, O. F.