Highly Resolved and Cross‐Talk Free Multiplexed Holograms via Broadband Vectorial Interferometry

Author:

Audia Biagio1,Pagliusi Pasquale12,Mazzulla Alfredo2,Cipparrone Gabriella1ORCID

Affiliation:

1. Department of Physics University of Calabria Ponte P. Bucci 31B Rende Cosenza 87036 Italy

2. CNR Nanotec ‐ Institute of Nanotechnology S.S. Cosenza Rende Cosenza 87036 Italy

Abstract

AbstractThe ever‐growing demand for ultracompact micro‐ and nano‐optics is guided by efficient applications in augmented/virtual reality, displays, and Fourier optics. The current technologies, mainly based on meta‐solutions, suffer in terms of efficiency and tunability, as well as complex and multi‐step fabrication methods that may limit their full‐scale potential. Herein, a broadband laser composed of close and highly correlated lines allows, via interference patterning, for simultaneous encoding of multiplexed, independent, and cross‐talk free holograms with nanometric separation. The reported findings show that such light, unusual for holographic recording, unlocks new features of organized collective phenomena, overcoming the usual spatial resolution limitations of the optical techniques. This approach gives promising perspectives for in situ design of reconfigurable structured optics, besides the obvious advantages of full‐scalability, easiness, cost effectiveness, and time and energy consumption.

Publisher

Wiley

Subject

Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

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