Nonlinear microwave metamaterial resonators using gravitational restoring force realized on a microfabricated perforated substrate

Khodasevych, IE; Kostovski, G; Rowe, WST; Mitchell, A

Nonlinear microwave metamaterial resonators using gravitational restoring force realized on a microfabricated perforated substrate

Khodasevych, IE Kostovski, G Rowe, WST Mitchell, A

Permalink

Publisher:: AMER INST PHYSICS
Publication Type:: Journal Article
Citation:: Applied Physics Letters, 2014, 105, (18)
Issue Date:: 2014-11-03

Closed Access

	Filename	Description	Size
	Nonlinear microwave metamaterial resonators using gravitational restoring force realized on a microfabricated perforated substrate.pdf	Published version	796.43 kB	Adobe PDF	View/Open

Copyright Clearance Process

Recently Added
In Progress
Closed Access

This item is closed access and not available.

Full metadata record

Field	Value	Language
dc.contributor.author	Khodasevych, IE
dc.contributor.author	Kostovski, G
dc.contributor.author	Rowe, WST
dc.contributor.author	Mitchell, A
dc.date.accessioned	2022-02-28T00:18:38Z
dc.date.available	2022-02-28T00:18:38Z
dc.date.issued	2014-11-03
dc.identifier.citation	Applied Physics Letters, 2014, 105, (18)
dc.identifier.issn	0003-6951
dc.identifier.issn	1077-3118
dc.identifier.uri	http://hdl.handle.net/10453/154907
dc.description.abstract	We demonstrate microwave metamaterial with enhanced nonlinearity enabled by a significant mass and loss reduction due to perforated SU-8 substrate supporting self-rotating split ring resonators utilizing gravity as a restoring force. Forces involved in resonator movement are analyzed, and mechanical features of the structure are optimized. Unconventional microfabrication technique allowing creation of metal coated SU-8 structures with non-coincident metal and substrate patterns is introduced, resulting in a robust micrometer sized mesh. The beneficial effects of perforated substrate are demonstrated on electromagnetic properties of single resonators as well as coupled nonlinear resonator pair. Improvement in quality factor of single resonator as a result of reduced substrate mesh density is shown in the microwave frequency range. Nonlinear resonant frequency shift by 0.067 GHz is achieved for a pair of coupled resonators upon increasing the microwave power from 1 mW to 1 W.
dc.language	English
dc.publisher	AMER INST PHYSICS
dc.relation.ispartof	Applied Physics Letters
dc.relation.isbasedon	10.1063/1.4901267
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	02 Physical Sciences, 09 Engineering, 10 Technology
dc.subject.classification	Applied Physics
dc.title	Nonlinear microwave metamaterial resonators using gravitational restoring force realized on a microfabricated perforated substrate
dc.type	Journal Article
utslib.citation.volume	105
utslib.for	02 Physical Sciences
utslib.for	09 Engineering
utslib.for	10 Technology
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-02-28T00:18:37Z
pubs.issue	18
pubs.publication-status	Published
pubs.volume	105
utslib.citation.issue	18

Abstract:

We demonstrate microwave metamaterial with enhanced nonlinearity enabled by a significant mass and loss reduction due to perforated SU-8 substrate supporting self-rotating split ring resonators utilizing gravity as a restoring force. Forces involved in resonator movement are analyzed, and mechanical features of the structure are optimized. Unconventional microfabrication technique allowing creation of metal coated SU-8 structures with non-coincident metal and substrate patterns is introduced, resulting in a robust micrometer sized mesh. The beneficial effects of perforated substrate are demonstrated on electromagnetic properties of single resonators as well as coupled nonlinear resonator pair. Improvement in quality factor of single resonator as a result of reduced substrate mesh density is shown in the microwave frequency range. Nonlinear resonant frequency shift by 0.067 GHz is achieved for a pair of coupled resonators upon increasing the microwave power from 1 mW to 1 W.

Please use this identifier to cite or link to this item:

http://hdl.handle.net/10453/154907