Active-metasurfaces to realize tunable resonances and focusing

Taimoor Naeem; Hafiz Saad Khaliq; Tauseef Tauqeer; Muhammad Zubair; Muhammad Qasim Mehmood

doi:10.1117/12.2595351

Active-metasurfaces to realize tunable resonances and focusing

Taimoor Naeem, Hafiz Saad Khaliq, Tauseef Tauqeer, Muhammad Zubair, Muhammad Qasim Mehmood

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

In this paper, we present electrically tunable metasurfaces that exhibit multifunctional characteristics in the visible domain by exploiting electro-optic effect (EO). The metasurfaces consist of an array of Barium Titanate (BTO) meta-atoms on an Indium Titanium oxide (ITO) coated substrate. The resonance wavelength of the metasurface can be tuned by varying the electric field that eventually alters the refractive index of material. The tunability of resonance wavelength is evaluated by a hologram that appears at the desired wavelength by changing its voltage. Furthermore, a zoom metalens is presented with focal length shift by applying different electric fields at the wavelengths of 488, 532 and 633 in nm. The proposed idea can be useful for realizing tunable integrated systems.

Original language	English (US)
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
Publisher	SPIE
ISBN (Print)	9781510644304
DOIs	https://doi.org/10.1117/12.2595351
State	Published - Jan 1 2021
Externally published	Yes

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title = "Active-metasurfaces to realize tunable resonances and focusing",

abstract = "In this paper, we present electrically tunable metasurfaces that exhibit multifunctional characteristics in the visible domain by exploiting electro-optic effect (EO). The metasurfaces consist of an array of Barium Titanate (BTO) meta-atoms on an Indium Titanium oxide (ITO) coated substrate. The resonance wavelength of the metasurface can be tuned by varying the electric field that eventually alters the refractive index of material. The tunability of resonance wavelength is evaluated by a hologram that appears at the desired wavelength by changing its voltage. Furthermore, a zoom metalens is presented with focal length shift by applying different electric fields at the wavelengths of 488, 532 and 633 in nm. The proposed idea can be useful for realizing tunable integrated systems.",

author = "Taimoor Naeem and Khaliq, {Hafiz Saad} and Tauseef Tauqeer and Muhammad Zubair and Mehmood, {Muhammad Qasim}",

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AU - Naeem, Taimoor

AU - Khaliq, Hafiz Saad

AU - Tauqeer, Tauseef

AU - Zubair, Muhammad

AU - Mehmood, Muhammad Qasim

N1 - Generated from Scopus record by KAUST IRTS on 2023-09-20

PY - 2021/1/1

Y1 - 2021/1/1

N2 - In this paper, we present electrically tunable metasurfaces that exhibit multifunctional characteristics in the visible domain by exploiting electro-optic effect (EO). The metasurfaces consist of an array of Barium Titanate (BTO) meta-atoms on an Indium Titanium oxide (ITO) coated substrate. The resonance wavelength of the metasurface can be tuned by varying the electric field that eventually alters the refractive index of material. The tunability of resonance wavelength is evaluated by a hologram that appears at the desired wavelength by changing its voltage. Furthermore, a zoom metalens is presented with focal length shift by applying different electric fields at the wavelengths of 488, 532 and 633 in nm. The proposed idea can be useful for realizing tunable integrated systems.

AB - In this paper, we present electrically tunable metasurfaces that exhibit multifunctional characteristics in the visible domain by exploiting electro-optic effect (EO). The metasurfaces consist of an array of Barium Titanate (BTO) meta-atoms on an Indium Titanium oxide (ITO) coated substrate. The resonance wavelength of the metasurface can be tuned by varying the electric field that eventually alters the refractive index of material. The tunability of resonance wavelength is evaluated by a hologram that appears at the desired wavelength by changing its voltage. Furthermore, a zoom metalens is presented with focal length shift by applying different electric fields at the wavelengths of 488, 532 and 633 in nm. The proposed idea can be useful for realizing tunable integrated systems.

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M3 - Conference contribution

SN - 9781510644304

BT - Proceedings of SPIE - The International Society for Optical Engineering

PB - SPIE

ER -

Active-metasurfaces to realize tunable resonances and focusing

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