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Controlled Hyperbolic Structure of Metamaterial for Subdiffraction Visualization in the Terahertz Range.

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Title: Controlled Hyperbolic Structure of Metamaterial for Subdiffraction Visualization in the Terahertz Range.
Authors: Fanyaev, I. A.1 (AUTHOR) fanyaev@gmail.com, Hao, Sh.2 (AUTHOR), Wang, J.2 (AUTHOR), Li, J.2 (AUTHOR), Khakhomov, S.A.1 (AUTHOR)
Source: Crystallography Reports. Dec2023, Vol. 68 Issue 7, p1215-1221. 7p.
Subjects: Hyperboloid structures, Submillimeter wave imaging, Metamaterials, Data visualization, Indium antimonide, Electron beams
Abstract: An improved design of a controlled cylindrical hyperlens based on alternating layers of indium antimonide and silicon for imaging with a subwave resolution in the terahertz range is proposed. A possibility of dynamic tuning of hyperlens in a wide frequency range at small variations is temperature is demonstrated by numerical simulation. Distinctive features of this structure are small sizes, low loss in the insulator, and the ability of forming images not only in the near-field zone but also in the far-field zone, which was confirmed by plotting directional patterns. Based on the proposed computer model, a cylindrical hyperlens can be fabricated using conventional methods of deposition or electron-beam evaporation. The results obtained may contribute to improvement of the resolution of imaging systems in the terahertz range and development of modulators of hyperbolic metamaterials and sensors in the terahertz range. [ABSTRACT FROM AUTHOR]
Copyright of Crystallography Reports is the property of Springer Nature 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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  Data: An improved design of a controlled cylindrical hyperlens based on alternating layers of indium antimonide and silicon for imaging with a subwave resolution in the terahertz range is proposed. A possibility of dynamic tuning of hyperlens in a wide frequency range at small variations is temperature is demonstrated by numerical simulation. Distinctive features of this structure are small sizes, low loss in the insulator, and the ability of forming images not only in the near-field zone but also in the far-field zone, which was confirmed by plotting directional patterns. Based on the proposed computer model, a cylindrical hyperlens can be fabricated using conventional methods of deposition or electron-beam evaporation. The results obtained may contribute to improvement of the resolution of imaging systems in the terahertz range and development of modulators of hyperbolic metamaterials and sensors in the terahertz range. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Crystallography Reports is the property of Springer Nature 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: 10.1134/S1063774523600837
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        Text: English
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        Type: general
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              Text: Dec2023
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