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Photosensitive silicon-based tunable multiband terahertz absorber.

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Title: Photosensitive silicon-based tunable multiband terahertz absorber.
Authors: Wang, Qingzhe1 (AUTHOR), Zhang, Haiwei1 (AUTHOR) zhanghaiwei@email.tjut.edu.cn, Ren, Guangjun1 (AUTHOR) rgj1@163.com, Xue, Lifang1 (AUTHOR), Yao, Jianquan2 (AUTHOR)
Source: Optics Communications. Nov2022, Vol. 523, pN.PAG-N.PAG. 1p.
Subjects: Light intensity, Metamaterials, Absorption
Abstract: In this paper, the terahertz absorber designed has the following features: (1) Constant for double band perfect absorber under different light lightness; (2) Absorptions of 99.60% and 99.79% were obtained at 2.67 THz and 4 THz. (3) Tunable absorption rate under light conditions using photosensitive silicon. (4) TEM, TE, TM, and the increase of the incident angle made the proposed absorber have more absorption bands. (5) The manufactured absorber is a flexible device. Compared with other tunable terahertz metamaterial absorbers, my designed terahertz metamaterial absorber has a simple structure, and the absorption rate can be changed by modulating the light intensity to change the conductivity of the photosensitive silicon, which can meet the absorption requirements under different circumstances. For example, the microstructure has a high potential for high-power terahertz sources, optical biomedical sensing, and detection applications based on multi-band absorption response for optoelectronic technology. The addition of flexible materials paves the way for the future construction of multi-layer absorbers. [ABSTRACT FROM AUTHOR]
Copyright of Optics Communications is the property of Elsevier B.V. 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.)
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DbLabel: Engineering Source
An: 158565748
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  Data: Photosensitive silicon-based tunable multiband terahertz absorber.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Qingzhe%22">Wang, Qingzhe</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Haiwei%22">Zhang, Haiwei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zhanghaiwei@email.tjut.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Ren%2C+Guangjun%22">Ren, Guangjun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> rgj1@163.com</i><br /><searchLink fieldCode="AR" term="%22Xue%2C+Lifang%22">Xue, Lifang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yao%2C+Jianquan%22">Yao, Jianquan</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Optics+Communications%22">Optics Communications</searchLink>. Nov2022, Vol. 523, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Light+intensity%22">Light intensity</searchLink><br /><searchLink fieldCode="DE" term="%22Metamaterials%22">Metamaterials</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption%22">Absorption</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In this paper, the terahertz absorber designed has the following features: (1) Constant for double band perfect absorber under different light lightness; (2) Absorptions of 99.60% and 99.79% were obtained at 2.67 THz and 4 THz. (3) Tunable absorption rate under light conditions using photosensitive silicon. (4) TEM, TE, TM, and the increase of the incident angle made the proposed absorber have more absorption bands. (5) The manufactured absorber is a flexible device. Compared with other tunable terahertz metamaterial absorbers, my designed terahertz metamaterial absorber has a simple structure, and the absorption rate can be changed by modulating the light intensity to change the conductivity of the photosensitive silicon, which can meet the absorption requirements under different circumstances. For example, the microstructure has a high potential for high-power terahertz sources, optical biomedical sensing, and detection applications based on multi-band absorption response for optoelectronic technology. The addition of flexible materials paves the way for the future construction of multi-layer absorbers. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Optics Communications is the property of Elsevier B.V. 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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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.optcom.2022.128681
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Light intensity
        Type: general
      – SubjectFull: Metamaterials
        Type: general
      – SubjectFull: Absorption
        Type: general
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      – TitleFull: Photosensitive silicon-based tunable multiband terahertz absorber.
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            NameFull: Wang, Qingzhe
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            NameFull: Ren, Guangjun
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            NameFull: Xue, Lifang
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            NameFull: Yao, Jianquan
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            – D: 15
              M: 11
              Text: Nov2022
              Type: published
              Y: 2022
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              Value: 523
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            – TitleFull: Optics Communications
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