Dynamically controlling terahertz wavefronts with cascaded metasurfaces Article Swipe
Xiaodong Cai
,
Rong Tang
,
Haoyang Zhou
,
Qiushi Li
,
Shaojie Ma
,
Dongyi Wang
,
Tong Liu
,
Xiaohui Ling
,
Wei Tan
,
Qiong He
,
Shiyi Xiao
,
Lei Zhou
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1117/1.ap.3.3.036003
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1117/1.ap.3.3.036003
Dynamically controlling terahertz (THz) wavefronts in a designable fashion is highly desired in practice. However, available methods working at microwave frequencies do not work well in the THz regime due to lacking suitable tunable elements with submicrometer sizes. Here, instead of locally controlling individual meta-atoms in a THz metasurface, we show that rotating different layers (each exhibiting a particular phase profile) in a cascaded metadevice at different speeds can dynamically change the effective Jones-matrix property of the whole device, thus enabling extraordinary manipulations on the wavefront and polarization characteristics of a THz beam impinging on the device. After illustrating our strategy based on model calculations, we experimentally demonstrate two proof-of-concept metadevices, each consisting of two carefully designed all-silicon transmissive metasurfaces exhibiting different phase profiles. Rotating two metasurfaces inside the fabricated devices at different speeds, we experimentally demonstrate that the first metadevice can efficiently redirect a normally incident THz beam to scan over a wide solid-angle range, while the second one can dynamically manipulate both the wavefront and polarization of a THz beam. Our results pave the way to achieving dynamic control of THz beams, which is useful in many applications, such as THz radar, and bio- and chemical sensing and imaging.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1117/1.ap.3.3.036003
- https://www.spiedigitallibrary.org/journals/advanced-photonics/volume-3/issue-3/036003/Dynamically-controlling-terahertz-wavefronts-with-cascaded-metasurfaces/10.1117/1.AP.3.3.036003.pdf
- OA Status
- diamond
- Cited By
- 236
- References
- 54
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3173344265
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3173344265Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1117/1.ap.3.3.036003Digital Object Identifier
- Title
-
Dynamically controlling terahertz wavefronts with cascaded metasurfacesWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2021Year of publication
- Publication date
-
2021-06-26Full publication date if available
- Authors
-
Xiaodong Cai, Rong Tang, Haoyang Zhou, Qiushi Li, Shaojie Ma, Dongyi Wang, Tong Liu, Xiaohui Ling, Wei Tan, Qiong He, Shiyi Xiao, Lei ZhouList of authors in order
- Landing page
-
https://doi.org/10.1117/1.ap.3.3.036003Publisher landing page
- PDF URL
-
https://www.spiedigitallibrary.org/journals/advanced-photonics/volume-3/issue-3/036003/Dynamically-controlling-terahertz-wavefronts-with-cascaded-metasurfaces/10.1117/1.AP.3.3.036003.pdfDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
diamondOpen access status per OpenAlex
- OA URL
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https://www.spiedigitallibrary.org/journals/advanced-photonics/volume-3/issue-3/036003/Dynamically-controlling-terahertz-wavefronts-with-cascaded-metasurfaces/10.1117/1.AP.3.3.036003.pdfDirect OA link when available
- Concepts
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Terahertz radiation, Wavefront, Polarization (electrochemistry), Optics, Optoelectronics, Microwave, Materials science, Beam (structure), Beam steering, Physics, Physical chemistry, Quantum mechanics, ChemistryTop concepts (fields/topics) attached by OpenAlex
- Cited by
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236Total citation count in OpenAlex
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2025: 28, 2024: 76, 2023: 66, 2022: 54, 2021: 12Per-year citation counts (last 5 years)
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54Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.wavefronts | 4 |
| abstract_inverted_index.Dynamically | 0 |
| abstract_inverted_index.all-silicon | 117 |
| abstract_inverted_index.controlling | 1, 42 |
| abstract_inverted_index.demonstrate | 107, 136 |
| abstract_inverted_index.dynamically | 69, 161 |
| abstract_inverted_index.efficiently | 142 |
| abstract_inverted_index.frequencies | 20 |
| abstract_inverted_index.solid-angle | 154 |
| abstract_inverted_index.Jones-matrix | 73 |
| abstract_inverted_index.illustrating | 98 |
| abstract_inverted_index.metadevices, | 110 |
| abstract_inverted_index.metasurface, | 48 |
| abstract_inverted_index.metasurfaces | 119, 126 |
| abstract_inverted_index.polarization | 87, 167 |
| abstract_inverted_index.transmissive | 118 |
| abstract_inverted_index.applications, | 189 |
| abstract_inverted_index.calculations, | 104 |
| abstract_inverted_index.extraordinary | 81 |
| abstract_inverted_index.manipulations | 82 |
| abstract_inverted_index.submicrometer | 36 |
| abstract_inverted_index.experimentally | 106, 135 |
| abstract_inverted_index.characteristics | 88 |
| abstract_inverted_index.proof-of-concept | 109 |
| cited_by_percentile_year.max | 100 |
| cited_by_percentile_year.min | 99 |
| corresponding_author_ids | https://openalex.org/A5005215795, https://openalex.org/A5058769847, https://openalex.org/A5015423253 |
| countries_distinct_count | 2 |
| institutions_distinct_count | 12 |
| corresponding_institution_ids | https://openalex.org/I113940042, https://openalex.org/I24943067, https://openalex.org/I4391768224, https://openalex.org/I59499333 |
| citation_normalized_percentile.value | 0.99667008 |
| citation_normalized_percentile.is_in_top_1_percent | True |
| citation_normalized_percentile.is_in_top_10_percent | True |