阿拉戈-泊松点：旧概念的新应用

IF 2.1 4区物理与天体物理 Q2 OPTICS

Photonics Pub Date : 2024-01-04 DOI:10.3390/photonics11010055

O. Emile, J. Emile

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引用次数: 0

摘要

在此，我们报告了光学中所谓的阿拉戈-泊松光斑的一些具体特性和应用。这种光斑是由于掩星盘衍射平面波而在其阴影中产生一个小亮点。我们将讨论这种光束的一些特性。我们尤其关注这些光束所能达到的极限尺寸，它取决于圆盘的直径、波长以及与圆盘的距离。我们还强调了自愈和超光速特性。然后提出了应用。这些应用主要涉及专门用于捕获纳米粒子的纳米级新捕获器。我们还讨论了在传播过程中改变频率的光束及其在精确确定区域内的信号传输应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Arago–Poisson Spot: New Applications for an Old Concept

Herein, we report some specific properties and applications of the so-called Arago–Poisson spot in optics. This spot results from the diffraction of a plane wave by an occulting disk that leads to a small bright spot in its shadow. We discuss some of the properties of such beams. In particular, we focus on the ultimate size that can be reached for these beams, which depends on the diameter of the disk, the wavelength, and the distance from the disk. We also highlight self-healing and faster-than-light properties. Applications are then proposed. The applications mainly deal with new traps with nanometer sizes dedicated to the trapping of nanoparticles. We also discuss beams that change frequency during propagation and their application for signal delivery in a precise and determined area.

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来源期刊

Photonics Physics and Astronomy-Instrumentation

CiteScore

2.60

自引率

20.80%

发文量

817

审稿时长

8 weeks

期刊介绍： Photonics (ISSN 2304-6732) aims at a fast turn around time for peer-reviewing manuscripts and producing accepted articles. The online-only and open access nature of the journal will allow for a speedy and wide circulation of your research as well as review articles. We aim at establishing Photonics as a leading venue for publishing high impact fundamental research but also applications of optics and photonics. The journal particularly welcomes both theoretical (simulation) and experimental research. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation and experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material.