Achromatic Metalenses, Time-varying OAM and Near-field Directionality: The Physics and Applications of Electro-Magnetic Meta-Atoms

Alex M. H. Wong

Achromatic Metalenses, Time-varying OAM and Near-field Directionality: The Physics and Applications of Electro-Magnetic Meta-Atoms

Alex M. H. Wong^*

^*Corresponding author for this work

Department of Electrical Engineering

Research output: Conference Papers › RGC 33 - Other conference paper › peer-review

Abstract

Electromagnetic meta-atoms possessing both electric and magnetic responses have brought unprecedented freedom in tailoring electromagnetic waves. It has been shown that in passive 2D arrays (metasurfaces), they direct waves with high efficiency in the far-field; they perform desired wave manipulations across a wide frequency range; they also modulate the OAM of an incoming wave upon reflection and/or transmission, for some examples. © 2023 IEEE.

Original language	English
Publication status	Published - Nov 2023
Event	11th IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP 2023) - Guangzhou, China Duration: 19 Nov 2023 → 22 Nov 2023 http://www.em-conf.com/apcap2023/

Conference

Conference	11th IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP 2023)
Abbreviated title	APCAP2023
Place	China
City	Guangzhou
Period	19/11/23 → 22/11/23
Internet address	http://www.em-conf.com/apcap2023/

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Full text of this publication does not contain sufficient affiliation information. With consent from the author(s) concerned, the Research Unit(s) information for this record is based on the existing academic department affiliation of the author(s).

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N2 - Electromagnetic meta-atoms possessing both electric and magnetic responses have brought unprecedented freedom in tailoring electromagnetic waves. It has been shown that in passive 2D arrays (metasurfaces), they direct waves with high efficiency in the far-field; they perform desired wave manipulations across a wide frequency range; they also modulate the OAM of an incoming wave upon reflection and/or transmission, for some examples. © 2023 IEEE.

AB - Electromagnetic meta-atoms possessing both electric and magnetic responses have brought unprecedented freedom in tailoring electromagnetic waves. It has been shown that in passive 2D arrays (metasurfaces), they direct waves with high efficiency in the far-field; they perform desired wave manipulations across a wide frequency range; they also modulate the OAM of an incoming wave upon reflection and/or transmission, for some examples. © 2023 IEEE.

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ER -

Achromatic Metalenses, Time-varying OAM and Near-field Directionality: The Physics and Applications of Electro-Magnetic Meta-Atoms

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