基于端到端深度学习的大规模辐射腔阵列小型化光谱仪

IF 7.2 2区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Xinyi Zhou, Cheng Zhang, Xiaoyu Zhang, Yi Zuo, Zixuan Zhang, Feifan Wang, Zihao Chen, Hongbin Li, Chao Peng
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引用次数: 0

摘要

小型化(微型)光谱仪是化学、生物和医学诊断非常理想的工具,因为它们具有便携式和原位光谱检测的潜力。在这项工作中,提出并演示了一种将大规模辐射腔阵列与端到端深度学习网络相结合的微型光谱仪。具体来说,在具有不同辐射特性的连续介质腔中利用高q束缚态作为基本单位来实现平行光谱检测。在1525 ~ 1605 nm的宽光谱范围内,实现了质量因子大于104的谐振器阵列。进一步训练具有8000个输出的深度网络,将任意光谱直接映射到由面外事件激发的阵列响应。实验结果表明,该微型光谱仪在80 nm的带宽范围内,可以以0.048 nm的分辨率分辨未知光谱,保真度超过95%,为实现紧凑、高分辨率、宽带光谱分析提供了一种很有前景的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Miniaturized Spectrometer Enabled by End-to-End Deep Learning on Large-Scale Radiative Cavity Array

Miniaturized Spectrometer Enabled by End-to-End Deep Learning on Large-Scale Radiative Cavity Array

Miniaturized Spectrometer Enabled by End-to-End Deep Learning on Large-Scale Radiative Cavity Array

Miniaturized Spectrometer Enabled by End-to-End Deep Learning on Large-Scale Radiative Cavity Array

Miniaturized Spectrometer Enabled by End-to-End Deep Learning on Large-Scale Radiative Cavity Array

Miniaturized (mini-) spectrometers are highly desirable tools for chemical, biological, and medical diagnostics because of their potential for portable and in situ spectral detection. In this work, a mini-spectrometer that combines a large-scale radiative cavity array with end-to-end deep learning networks is proposed and demonstrated. Specifically, high-Q bound states are utilized in continuum cavities with distinct radiation characteristics as the fundamental units to achieve parallel spectral detection. An array of resonators with quality factors above 104 over a wide spectral range, from 1525 to 1605 nm, is realized. A deep network with 8000 outputs is further trained to directly map arbitrary spectra to array responses excited by the out-of-plane incident. Experimental results demonstrate that the proposed mini-spectrometer can resolve unknown spectra with a resolution of 0.048 nm in a bandwidth of 80 nm and fidelity exceeding 95%, thus offering a promising method for compact, high resolution, and broadband spectroscopy.

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来源期刊
Advanced Optical Materials
Advanced Optical Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-OPTICS
CiteScore
13.70
自引率
6.70%
发文量
883
审稿时长
1.5 months
期刊介绍: Advanced Optical Materials, part of the esteemed Advanced portfolio, is a unique materials science journal concentrating on all facets of light-matter interactions. For over a decade, it has been the preferred optical materials journal for significant discoveries in photonics, plasmonics, metamaterials, and more. The Advanced portfolio from Wiley is a collection of globally respected, high-impact journals that disseminate the best science from established and emerging researchers, aiding them in fulfilling their mission and amplifying the reach of their scientific discoveries.
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