Geometric Parameter Prediction with Color Reproduction of Silicon in Reverse Design and Measurement

IF 4.3 4区 物理与天体物理 Q2 CHEMISTRY, PHYSICAL
Chunlan Deng, Jun Zhu
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引用次数: 0

Abstract

The design of nanostructure colors is influenced by mechanisms such as quantum size effects, surface plasmon resonance, and structural coloration. These optical properties arise from the interaction between localized magnetic and electric dipole resonances, rendering them highly sensitive to changes in geometric parameters. However, conventional analytical methods are inefficient in optimizing geometric parameters to achieve target colors, particularly when faced with the challenges of large-scale and diverse structural color designs. To address this limitation, we propose a design framework based on a bidirectional deep neural network (DNN) consisting of both a forward network and an inverse design network. The forward network learns the relationship between geometry and color response through parameter scans, enabling precise color prediction for specific geometries. The inverse design network derives the corresponding geometry from target color coordinates (CIE1931 color space) and tackles the multi-solution challenges in inverse design by cross-validating with the forward network. Rigorous computational modeling demonstrates that this approach can generate over one million visible-spectrum nanostructure colors with a theoretically predicted color reproduction rate exceeding 98%. This research presents a highly efficient and accurate framework for the design of high-precision optical components, including those used in silicon-based color processing, optical displays, sensors, and photovoltaic systems.

反向设计与测量中硅颜色再现的几何参数预测
纳米结构颜色的设计受到量子尺寸效应、表面等离子体共振和结构着色等机制的影响。这些光学性质源于局部磁偶极子和电偶极子共振之间的相互作用,使它们对几何参数的变化高度敏感。然而,传统的分析方法在优化几何参数以实现目标颜色方面效率低下,特别是在面对大规模和多样化结构颜色设计的挑战时。为了解决这一限制,我们提出了一种基于双向深度神经网络(DNN)的设计框架,该设计框架由正向网络和逆设计网络组成。前向网络通过参数扫描学习几何形状和颜色响应之间的关系,从而实现对特定几何形状的精确颜色预测。反设计网络从目标颜色坐标(CIE1931颜色空间)中导出相应的几何形状,并通过与正演网络的交叉验证来解决反设计中的多解挑战。严格的计算模型表明,这种方法可以产生超过100万种可见光谱的纳米结构颜色,理论上预测的颜色再现率超过98%。本研究为高精度光学元件的设计提供了一个高效和精确的框架,包括那些用于硅基颜色处理、光学显示器、传感器和光伏系统的光学元件。
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来源期刊
Plasmonics
Plasmonics 工程技术-材料科学:综合
CiteScore
5.90
自引率
6.70%
发文量
164
审稿时长
2.1 months
期刊介绍: Plasmonics is an international forum for the publication of peer-reviewed leading-edge original articles that both advance and report our knowledge base and practice of the interactions of free-metal electrons, Plasmons. Topics covered include notable advances in the theory, Physics, and applications of surface plasmons in metals, to the rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Topics, including the theory, synthesis and optical properties of noble metal nanostructures, patterned surfaces or materials, continuous or grated surfaces, devices, or wires for their multifarious applications are particularly welcome. Typical applications might include but are not limited to, surface enhanced spectroscopic properties, such as Raman scattering or fluorescence, as well developments in techniques such as surface plasmon resonance and near-field scanning optical microscopy.
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