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Long-wave infrared polarization-sensitive metamaterial broadband absorber based on ring-grating composite structure.

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Title: Long-wave infrared polarization-sensitive metamaterial broadband absorber based on ring-grating composite structure.
Authors: Liu, Yuetao1 (AUTHOR), Wu, Zhe1 (AUTHOR), Guo, Siyu1 (AUTHOR), Wei, Xintong1 (AUTHOR), Geng, Jizheng1 (AUTHOR), Liu, Siyu1 (AUTHOR), Zhu, Shijia1 (AUTHOR), Sun, Wenwen1 (AUTHOR), Wang, Wenwen1 (AUTHOR), Yang, Fuming1 (AUTHOR), Shi, Xiaoyan1 (AUTHOR), Liang, Zhongzhu1 (AUTHOR) liangzz@nenu.edu.cn
Source: Journal of Physics D: Applied Physics. 2026, Vol. 59 Issue 23, p1-13. 13p.
Subjects: Infrared absorption, Metamaterials, Infrared heating, Diffraction gratings
Abstract: Improving absorption, broadening bandwidth, and enhancing polarization sensitivity are central objectives in current research. We propose a long-wave infrared metamaterial absorber based on a ring-grating composite structure that provides broadband absorption and high polarization sensitivity. The absorber is functionally designed with a top resonator and a bottom reflector. The underlying continuous metal layer is replaced with an anisotropic metal grating to enable polarization-sensitive reflection. The top adopts a geometrically symmetrical ring resonant structure to broaden the absorption bandwidth. The maximum absorptance under TM polarized light incidence is greater than 99.9%, and the absorptance under TE polarized light incidence is less than 3%, with a maximum extinction ratio of 56. We also demonstrate stable performance under oblique incidence. This design presents a novel approach for broadband polarization-sensitive absorbers. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Physics D: Applied Physics is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 194391847
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Long-wave infrared polarization-sensitive metamaterial broadband absorber based on ring-grating composite structure.
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  Data: <searchLink fieldCode="AR" term="%22Liu%2C+Yuetao%22">Liu, Yuetao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Zhe%22">Wu, Zhe</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guo%2C+Siyu%22">Guo, Siyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wei%2C+Xintong%22">Wei, Xintong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Geng%2C+Jizheng%22">Geng, Jizheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Siyu%22">Liu, Siyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhu%2C+Shijia%22">Zhu, Shijia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Wenwen%22">Sun, Wenwen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Wenwen%22">Wang, Wenwen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Fuming%22">Yang, Fuming</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shi%2C+Xiaoyan%22">Shi, Xiaoyan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liang%2C+Zhongzhu%22">Liang, Zhongzhu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> liangzz@nenu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Physics+D%3A+Applied+Physics%22">Journal of Physics D: Applied Physics</searchLink>. 2026, Vol. 59 Issue 23, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Infrared+absorption%22">Infrared absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Metamaterials%22">Metamaterials</searchLink><br /><searchLink fieldCode="DE" term="%22Infrared+heating%22">Infrared heating</searchLink><br /><searchLink fieldCode="DE" term="%22Diffraction+gratings%22">Diffraction gratings</searchLink>
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  Label: Abstract
  Group: Ab
  Data: Improving absorption, broadening bandwidth, and enhancing polarization sensitivity are central objectives in current research. We propose a long-wave infrared metamaterial absorber based on a ring-grating composite structure that provides broadband absorption and high polarization sensitivity. The absorber is functionally designed with a top resonator and a bottom reflector. The underlying continuous metal layer is replaced with an anisotropic metal grating to enable polarization-sensitive reflection. The top adopts a geometrically symmetrical ring resonant structure to broaden the absorption bandwidth. The maximum absorptance under TM polarized light incidence is greater than 99.9%, and the absorptance under TE polarized light incidence is less than 3%, with a maximum extinction ratio of 56. We also demonstrate stable performance under oblique incidence. This design presents a novel approach for broadband polarization-sensitive absorbers. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Physics D: Applied Physics is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1088/1361-6463/ae7296
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      – Code: eng
        Text: English
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        PageCount: 13
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    Subjects:
      – SubjectFull: Infrared absorption
        Type: general
      – SubjectFull: Metamaterials
        Type: general
      – SubjectFull: Infrared heating
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      – SubjectFull: Diffraction gratings
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              Text: 2026
              Type: published
              Y: 2026
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