Sub-Terahertz Integrated Metalens and its Applications

Lai, Jiexin

Sub-Terahertz Integrated Metalens and its Applications

Lai, Jiexin

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Publication Type:: Thesis
Issue Date:: 2026

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Field	Value	Language
dc.contributor.author	Lai, Jiexin
dc.date.accessioned	2026-07-30T01:15:47Z
dc.date.available	2026-07-30T01:15:47Z
dc.date.issued	2026
dc.identifier.uri	http://hdl.handle.net/10453/195833
dc.description	University of Technology Sydney. Faculty of Engineering and Information Technology.	en_US.UTF-8
dc.description.abstract	This research aims to explore the feasibility of integrating sub-terahertz (THz) technology with metalenses for applications, such as next-generation communications and biomedical detection. The sub-THz band, ranging from 100 GHz to 1 THz, offers unique features, including abundant spectral resources, shorter wavelengths, non-ionising radiation, and high sensitivity to water. Its broadband capabilities make it a promising candidate for sixth-generation (6G) wireless communication systems, such as inter-satellite communications. The shorter wavelengths enable high-accuracy imaging, while the non-ionising radiation ensures safety for humans. Additionally, the high sensitivity to water makes it particularly suitable for biomedical detection. For 6G communication applications, metalenses for two-dimensional (2D) beam scanning have been developed, offering advantages such as low cost, high gain enhancement, and reduced scanning losses. Beam-scanning antennas, which are key components of 5G systems, hold significant potential for 6G applications. In the field of biomedical imaging, a real-time skin detection system utilising metalenses, metasurface sensors, and a sub-THz camera has been proposed. This proposed system shows potential for further development into a portable device for skin cancer detection. These findings highlight the potential for sub-THz-based systems to advance both wireless communications and real-time biomedical applications.	en_US.UTF-8
dc.format	Thesis (PhD)
dc.language.iso	en_US	en_US.UTF-8
dc.relation	https://opus.lib.uts.edu.au/bitstream/10453/195833/1/thesis.pdf
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	The author owns the copyright in this thesis including all reproduction and reuse rights for the work. The work may not be altered without the permission of the copyright owner. Attribution is essential when quoting or paraphrasing from this thesis.
dc.rights	© 2026 Jiexin Lai
dc.rights	au.edu.uts.lib/cph
dc.title	Sub-Terahertz Integrated Metalens and its Applications	en_US.UTF-8
dc.type	Thesis
utslib.copyright.status	open_access	*

Abstract:

This research aims to explore the feasibility of integrating sub-terahertz (THz) technology with metalenses for applications, such as next-generation communications and biomedical detection. The sub-THz band, ranging from 100 GHz to 1 THz, offers unique features, including abundant spectral resources, shorter wavelengths, non-ionising radiation, and high sensitivity to water. Its broadband capabilities make it a promising candidate for sixth-generation (6G) wireless communication systems, such as inter-satellite communications. The shorter wavelengths enable high-accuracy imaging, while the non-ionising radiation ensures safety for humans. Additionally, the high sensitivity to water makes it particularly suitable for biomedical detection. For 6G communication applications, metalenses for two-dimensional (2D) beam scanning have been developed, offering advantages such as low cost, high gain enhancement, and reduced scanning losses. Beam-scanning antennas, which are key components of 5G systems, hold significant potential for 6G applications. In the field of biomedical imaging, a real-time skin detection system utilising metalenses, metasurface sensors, and a sub-THz camera has been proposed. This proposed system shows potential for further development into a portable device for skin cancer detection. These findings highlight the potential for sub-THz-based systems to advance both wireless communications and real-time biomedical applications.

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http://hdl.handle.net/10453/195833