Study of scattering patterns and subwavelength scale imaging based on finite-sized metamaterials
A metamaterial slab, used as a superlens in a subwavelength imaging system, is frequently assumed homogeneous. It is the bulk properties of the metamaterial which are responsible for the resolution of the transferred information in the image domain, as a result of high transverse wave-vector couplin...
| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2013
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| Online Access: | https://hdl.handle.net/10356/98828 http://hdl.handle.net/10220/12531 |
| _version_ | 1826112485187387392 |
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| author | Schenk, John O. Fiddy, Michael A. Zhang, Yuan Chuang, Yi-Chen |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Schenk, John O. Fiddy, Michael A. Zhang, Yuan Chuang, Yi-Chen |
| author_sort | Schenk, John O. |
| collection | NTU |
| description | A metamaterial slab, used as a superlens in a subwavelength imaging system, is frequently assumed homogeneous. It is the bulk properties of the metamaterial which are responsible for the resolution of the transferred information in the image domain, as a result of high transverse wave-vector coupling. However, how in a discretized metamaterial, individual meta-atoms (i.e., the meta-elements composing a negative index metamaterial slab) contribute to the imaging process is still actively studied. The main aim of this paper is to investigate the consequences of using only a few meta-atoms as a negative index slab-equivalent for subwavelength scale imaging. We make a specific choice for a meta-atom and investigate its resonant scattering patterns. We report on how knowledge of these 3D scattering patterns provides a means to understand the transfer of high spatial frequencies and assist with the design an improved negative index slab. |
| first_indexed | 2024-10-01T03:07:48Z |
| format | Journal Article |
| id | ntu-10356/98828 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T03:07:48Z |
| publishDate | 2013 |
| record_format | dspace |
| spelling | ntu-10356/988282020-03-07T14:02:46Z Study of scattering patterns and subwavelength scale imaging based on finite-sized metamaterials Schenk, John O. Fiddy, Michael A. Zhang, Yuan Chuang, Yi-Chen School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering A metamaterial slab, used as a superlens in a subwavelength imaging system, is frequently assumed homogeneous. It is the bulk properties of the metamaterial which are responsible for the resolution of the transferred information in the image domain, as a result of high transverse wave-vector coupling. However, how in a discretized metamaterial, individual meta-atoms (i.e., the meta-elements composing a negative index metamaterial slab) contribute to the imaging process is still actively studied. The main aim of this paper is to investigate the consequences of using only a few meta-atoms as a negative index slab-equivalent for subwavelength scale imaging. We make a specific choice for a meta-atom and investigate its resonant scattering patterns. We report on how knowledge of these 3D scattering patterns provides a means to understand the transfer of high spatial frequencies and assist with the design an improved negative index slab. 2013-07-31T02:18:51Z 2019-12-06T20:00:03Z 2013-07-31T02:18:51Z 2019-12-06T20:00:03Z 2012 2012 Journal Article Zhang, Y., Chuang, Y. C., Schenk, J. O.,& Fiddy, M. A. (2012). Study of scattering patterns and subwavelength scale imaging based on finite-sized metamaterials. Applied Physics A, 107(1), 61-69. https://hdl.handle.net/10356/98828 http://hdl.handle.net/10220/12531 10.1007/s00339-011-6738-9 en Applied physics A |
| spellingShingle | DRNTU::Engineering::Electrical and electronic engineering Schenk, John O. Fiddy, Michael A. Zhang, Yuan Chuang, Yi-Chen Study of scattering patterns and subwavelength scale imaging based on finite-sized metamaterials |
| title | Study of scattering patterns and subwavelength scale imaging based on finite-sized metamaterials |
| title_full | Study of scattering patterns and subwavelength scale imaging based on finite-sized metamaterials |
| title_fullStr | Study of scattering patterns and subwavelength scale imaging based on finite-sized metamaterials |
| title_full_unstemmed | Study of scattering patterns and subwavelength scale imaging based on finite-sized metamaterials |
| title_short | Study of scattering patterns and subwavelength scale imaging based on finite-sized metamaterials |
| title_sort | study of scattering patterns and subwavelength scale imaging based on finite sized metamaterials |
| topic | DRNTU::Engineering::Electrical and electronic engineering |
| url | https://hdl.handle.net/10356/98828 http://hdl.handle.net/10220/12531 |
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