Negative refraction in hyperbolic metamaterials
Electromagnetic metamaterials, created by structuring artificial media at subwavelength scales, offer a range of advantages for manipulating light transmission and electromagnetic space engineering. These materials possess unique properties that are typically not found naturally and can be leveraged...
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| 格式: | Final Year Project |
| 語言: | English |
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Nanyang Technological University
2023
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| 主題: | |
| 在線閱讀: | https://hdl.handle.net/10356/167429 |
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| 機構: | Nanyang Technological University |
| 語言: | English |
| 總結: | Electromagnetic metamaterials, created by structuring artificial media at subwavelength scales, offer a range of advantages for manipulating light transmission and electromagnetic space engineering. These materials possess unique properties that are typically not found naturally and can be leveraged to enable novel functionalities in light-based meta-devices.
This project focuses on the use of an anisotropic graphene model, a typical metamaterial, to achieve negative refraction in the terahertz region. The report also examines how the isofrequency contour is affected by utilizing different surface graphene conductivity models.
The project delves into the fundamental concepts of negative refraction in metamaterials and concentrates on comparing the outcomes of utilizing various surface graphene conductivity models to obtain the isofrequency contour for single layer, bilayer and N-layer graphene. |
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