大口径超透镜物理数据驱动的智能优化

IF 15.3 1区 物理与天体物理 Q1 OPTICS Opto-Electronic Advances Pub Date : 2023-01-01 DOI:10.29026/oea.2023.230133
Yingli Ha, Yu Luo, Mingbo Pu, Fei Zhang, Qiong He, Jinjin Jin, Mingfeng Xu, Yinghui Guo, Xiaogang Li, Xiong Li, Xiaoliang Ma, Xiangang Luo
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引用次数: 0

摘要

超透镜由于其轻量化、高集成度和优异的灵活性,在光学聚焦和成像系统中得到了广泛的应用。传统的设计方法忽略了相邻元原子之间的耦合效应,从而影响了元器件的实际性能。现有的物理/数据驱动优化算法可以解决上述问题,但会带来显著的时间成本或需要大量的数据集。在这里,我们提出了一种物理数据驱动的方法,采用“智能优化器”,使我们能够根据其周围原子的大小自适应地修改元原子的大小。这种方案的实现有效地减轻了局部晶格耦合的不良影响,并且所提出的网络模型在数千个数据集上运行良好,验证损失为3×10−3。基于“智能优化器”,在3小时内设计出直径为1 cm的超透镜,实验结果表明,直径为1 mm的超透镜的相对聚焦效率为93.4%(与理想聚焦效率相比),Strehl比为0.94。与以往的反设计方法相比,该方法显著提高了设计效率,设计时间缩短了5个数量级。更广泛地说,它可能为设计大口径元器件设定一个新的范例。
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Physics-data-driven intelligent optimization for large-aperture metalenses
Metalenses have gained significant attention and have been widely utilized in optical systems for focusing and imaging, owing to their lightweight, high-integration, and exceptional-flexibility capabilities. Traditional design methods neglect the coupling effect between adjacent meta-atoms, thus harming the practical performance of meta-devices. The existing physical/data-driven optimization algorithms can solve the above problems, but bring significant time costs or require a large number of data-sets. Here, we propose a physics-data-driven method employing an “intelligent optimizer” that enables us to adaptively modify the sizes of the meta-atom according to the sizes of its surrounding ones. The implementation of such a scheme effectively mitigates the undesired impact of local lattice coupling, and the proposed network model works well on thousands of data-sets with a validation loss of 3×10−3. Based on the “intelligent optimizer”, a 1-cm-diameter metalens is designed within 3 hours, and the experimental results show that the 1-mm-diameter metalens has a relative focusing efficiency of 93.4% (compared to the ideal focusing efficiency) and a Strehl ratio of 0.94. Compared to previous inverse design method, our method significantly boosts designing efficiency with five orders of magnitude reduction in time. More generally, it may set a new paradigm for devising large-aperture meta-devices.
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来源期刊
CiteScore
19.30
自引率
7.10%
发文量
128
期刊介绍: Opto-Electronic Advances (OEA) is a distinguished scientific journal that has made significant strides since its inception in March 2018. Here's a collated summary of its key features and accomplishments: Impact Factor and Ranking: OEA boasts an impressive Impact Factor of 14.1, which positions it within the Q1 quartiles of the Optics category. This high ranking indicates that the journal is among the top 25% of its field in terms of citation impact. Open Access and Peer Review: As an open access journal, OEA ensures that research findings are freely available to the global scientific community, promoting wider dissemination and collaboration. It upholds rigorous academic standards through a peer review process, ensuring the quality and integrity of the published research. Database Indexing: OEA's content is indexed in several prestigious databases, including the Science Citation Index (SCI), Engineering Index (EI), Scopus, Chemical Abstracts (CA), and the Index to Chinese Periodical Articles (ICI). This broad indexing facilitates easy access to the journal's articles by researchers worldwide. Scope and Purpose: OEA is committed to serving as a platform for the exchange of knowledge through the publication of high-quality empirical and theoretical research papers. It covers a wide range of topics within the broad area of optics, photonics, and optoelectronics, catering to researchers, academicians, professionals, practitioners, and students alike.
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