Polarization-Independent Broadband Infrared Selective Absorber Based on Multilayer Thin Film Article Swipe
Shenglan Wu
,
Hao Huang
,
Xin Wang
,
Chunhui Tian
,
Zheng Huang
,
Zhiyong Zhong
,
Shuang Liu
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/nano15090678
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.3390/nano15090678
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.
Related Topics
Concepts
Materials science
Optoelectronics
Infrared
Absorptance
Poynting vector
Polarization (electrochemistry)
Optics
Selective surface
Dielectric
Broadband
Plasmon
Fabrication
Brewster's angle
Photothermal therapy
Bimetal
Nanotechnology
Physics
Medicine
Alternative medicine
Brewster
Quantum mechanics
Magnetic field
Reflectivity
Chemistry
Pathology
Physical chemistry
Composite material
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/nano15090678
- https://www.mdpi.com/2079-4991/15/9/678/pdf?version=1745934819
- OA Status
- gold
- References
- 41
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4410028852
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4410028852Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/nano15090678Digital Object Identifier
- Title
-
Polarization-Independent Broadband Infrared Selective Absorber Based on Multilayer Thin FilmWork title
- Type
-
articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-04-29Full publication date if available
- Authors
-
Shenglan Wu, Hao Huang, Xin Wang, Chunhui Tian, Zheng Huang, Zhiyong Zhong, Shuang LiuList of authors in order
- Landing page
-
https://doi.org/10.3390/nano15090678Publisher landing page
- PDF URL
-
https://www.mdpi.com/2079-4991/15/9/678/pdf?version=1745934819Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
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https://www.mdpi.com/2079-4991/15/9/678/pdf?version=1745934819Direct OA link when available
- Concepts
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Materials science, Optoelectronics, Infrared, Absorptance, Poynting vector, Polarization (electrochemistry), Optics, Selective surface, Dielectric, Broadband, Plasmon, Fabrication, Brewster's angle, Photothermal therapy, Bimetal, Nanotechnology, Physics, Medicine, Alternative medicine, Brewster, Quantum mechanics, Magnetic field, Reflectivity, Chemistry, Pathology, Physical chemistry, Composite materialTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
- References (count)
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41Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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