Specialized directional beaming through a metalens and a typical application

Zhao, K; Zhang, H; Fu, Y; Zhu, S

Specialized directional beaming through a metalens and a typical application

Zhao, K Zhang, H Fu, Y Zhu, S

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Publication Type:: Journal Article
Citation:: Nanophotonics, 2018, 7 (1), pp. 339 - 345
Issue Date:: 2018-01-01

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Field	Value	Language
dc.contributor.author	Zhao, K	en_US
dc.contributor.author	Zhang, H	en_US
dc.contributor.author	Fu, Y	en_US
dc.contributor.author	Zhu, S	en_US
dc.date.issued	2018-01-01	en_US
dc.identifier.citation	Nanophotonics, 2018, 7 (1), pp. 339 - 345	en_US
dc.identifier.uri	http://hdl.handle.net/10453/134343
dc.description.abstract	© 2017 Yongqi Fu et al., published by De Gruyter, Berlin/Boston 2017. The anomalous beaming effect of the periodic metallic corrugations functioning as a special case of kSP=2π/Λ is discussed and verified by means of both theoretical calculation and experimental probing. A metalens is designed on the basis of the special case. Unlike the conventional beaming of convergence or divergence, the metalens can realize beam collimating, which is useful for practical applications. As a typical application example of the metalens, we integrate the metalens together with a vertical cavity surface emission laser (VCSEL) on the top surface of the aperture area. Our experimental results demonstrate that the integrated metalens is capable of suppressing the divergence angle of the VCSEL for collimation use.	en_US
dc.relation.ispartof	Nanophotonics	en_US
dc.relation.isbasedon	10.1515/nanoph-2017-0056	en_US
dc.title	Specialized directional beaming through a metalens and a typical application	en_US
dc.type	Journal Article
utslib.citation.volume	1	en_US
utslib.citation.volume	7	en_US
utslib.for	0205 Optical Physics	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	1007 Nanotechnology	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access
pubs.issue	1	en_US
pubs.publication-status	Published	en_US
pubs.volume	7	en_US

Abstract:

© 2017 Yongqi Fu et al., published by De Gruyter, Berlin/Boston 2017. The anomalous beaming effect of the periodic metallic corrugations functioning as a special case of kSP=2π/Λ is discussed and verified by means of both theoretical calculation and experimental probing. A metalens is designed on the basis of the special case. Unlike the conventional beaming of convergence or divergence, the metalens can realize beam collimating, which is useful for practical applications. As a typical application example of the metalens, we integrate the metalens together with a vertical cavity surface emission laser (VCSEL) on the top surface of the aperture area. Our experimental results demonstrate that the integrated metalens is capable of suppressing the divergence angle of the VCSEL for collimation use.

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http://hdl.handle.net/10453/134343