Spatio-Spectral Customized Light Structures for Subwavelength Highly Resolved Multiplexing of Diffractive Optics

IF 9.8 1区 物理与天体物理 Q1 OPTICS
Biagio Audia, Pasquale Pagliusi, Alfredo Mazzulla, Gabriella Cipparrone
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引用次数: 0

Abstract

Standing-waves created by counter-propagating light beams can adopt various forms, offering flexible and efficient methods for recording complex periodic structures in polarization-sensitive materials. Compared to conventional holographic/lithographic techniques, this approach simplifies the encoding of intricate and customizable light structures with finely tunable periodicities and highresolution. It also overcomes limitations at submicrometric periodicities, where traditional methods struggle to maintain fidelity to desired designs. This study explores 1D standing-waves with different polarization gradients, such as corkscrew and Sisyphus patterns. Generated by laser beams operating in multiline-mode with decoupled intensity and polarization control, these light structures can encode multiple, independent polarization volume gratings simultaneously in a single-step process. Submicrometric periodicities are achieved by positioning the material layer at a tilting angle within the standing-wave, allowing fine-tuning of the recording periodicities with a few nanometers spatial resolution. The resulting gratings diffract light at notably large angles, preserving polarization properties and avoiding crosstalk. These spatio-spectral structures hold transformative potential for ultra-compact optical systems. Key applications include material structuring, advanced information processing with higher capacity and security, and augmented/virtual reality platforms, where efficient polarization control ensures high-fidelity image projection and interaction. This method opens unexplored opportunities for scalable, high-resolution applications in cutting-edge optical technologies.

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来源期刊
CiteScore
14.20
自引率
5.50%
发文量
314
审稿时长
2 months
期刊介绍: Laser & Photonics Reviews is a reputable journal that publishes high-quality Reviews, original Research Articles, and Perspectives in the field of photonics and optics. It covers both theoretical and experimental aspects, including recent groundbreaking research, specific advancements, and innovative applications. As evidence of its impact and recognition, Laser & Photonics Reviews boasts a remarkable 2022 Impact Factor of 11.0, according to the Journal Citation Reports from Clarivate Analytics (2023). Moreover, it holds impressive rankings in the InCites Journal Citation Reports: in 2021, it was ranked 6th out of 101 in the field of Optics, 15th out of 161 in Applied Physics, and 12th out of 69 in Condensed Matter Physics. The journal uses the ISSN numbers 1863-8880 for print and 1863-8899 for online publications.
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