Polarization-Independent Broadband Infrared Selective Absorber Based on Multilayer Thin Film.

Shenglan Wu, Hao Huang, Xin Wang, Chunhui Tian, Zhenyong Huang, Zhiyong Zhong, Shuang Liu

Abstract read

In one paragraph

Article in Nanomaterials (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed

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1 · What the graph read from it

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

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5 · Who and what money

Authors and funding

7 authors.

Shenglan WuSchool of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Hao HuangSchool of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Xin WangSchool of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Chunhui TianSchool of Electronic Engineering, Chengdu Technological University, Chengdu 611730, China.

Zhenyong HuangSchool of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Zhiyong ZhongSchool of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Shuang LiuSchool of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.ORCID 0000-0002-9824-3734

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Spectrally selective infrared absorbers play a pivotal role in enabling optoelectronic applications such as infrared detection, thermal imaging, and photothermal conversion. In this paper, a dual-band wide-spectrum infrared selective absorber based on a metal-dielectric multilayer structure is designed. Through optimized design, the absorptance of the absorber reaches the peak values of 0.87 and 1.0 in the target bands (3-5 μm and 8-14 μm), while maintaining a low absorptance of about 0.2 in the non-working bands of 5-8 μm, with excellent spectral selectivity. By analyzing the Poynting vector and loss distribution, the synergistic mechanism of the ultra-thin metal localized enhancement effect, impedance matching, and intrinsic absorption of the material is revealed. This structure exhibits good polarization-insensitive characteristics and angle robustness within a large incident angle range, showing strong adaptability to complex optical field environments. Moreover, the proposed planarized structure design is compatible with standard fabrication processes and has good scalability, which can be applied to other electromagnetic wave bands. This research provides new design ideas and technical solutions for advanced optoelectronic applications such as radiation cooling, infrared stealth, and thermal radiation regulation.

Indexed as

F-P cavity resonanceinfrared absorberlocalized surface plasmon resonance (LSPR)multilayersselective absorption

Identifiers

PMID40358295

DOI10.3390/nano15090678

PMCPMC12073195

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LicenceCC BY

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.