Mechanically Tunable Broadband Omnidirectional Infrared Absorption by Dielectric Metasurfaces

Andrew E. Butler; Christos Argyropoulos

doi:10.1109/AP-S/USNC-URSI47032.2022.9886508

Mechanically Tunable Broadband Omnidirectional Infrared Absorption by Dielectric Metasurfaces

Andrew E. Butler, Christos Argyropoulos

Electrical Engineering

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

1 Scopus citations

Abstract

New designs of mechanically tunable broadband and omnidirectional mid-infrared absorbers are proposed and theoretically analyzed. They utilize periodic dielectric metasurfaces embedded in an elastic material, i.e., polydimethylsiloxane (PDMS). Their tunable performance can be further improved when crumpled metallic substrates are used to terminate their structure. When stretched, the period of the dielectric metasurfaces increases while the thickness of the PDMS decreases, resulting to a rapid reduction in the total absorption. This dual elastic mechanism leads to a high degree of continuous absorption tunability over an ultrabroad wavelength range in the mid-infrared spectrum. The presented omnidirectional absorption tunability is expected to have important applications in emerging thermal management phenomena, such as radiative cooling of solar panels or spacecraft.

Original language	English (US)
Title of host publication	2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	677-678
Number of pages	2
ISBN (Electronic)	9781665496582
DOIs	https://doi.org/10.1109/AP-S/USNC-URSI47032.2022.9886508
State	Published - 2022
Event	2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Denver, United States Duration: Jul 10 2022 → Jul 15 2022

Publication series

Name	2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings

Conference

Conference	2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022
Country/Territory	United States
City	Denver
Period	7/10/22 → 7/15/22

All Science Journal Classification (ASJC) codes

Computer Networks and Communications
Signal Processing
Instrumentation

Access to Document

10.1109/AP-S/USNC-URSI47032.2022.9886508

Cite this

Butler, A. E., & Argyropoulos, C. (2022). Mechanically Tunable Broadband Omnidirectional Infrared Absorption by Dielectric Metasurfaces. In 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings (pp. 677-678). (2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/AP-S/USNC-URSI47032.2022.9886508

Butler, Andrew E. ; Argyropoulos, Christos. / Mechanically Tunable Broadband Omnidirectional Infrared Absorption by Dielectric Metasurfaces. 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2022. pp. 677-678 (2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings).

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title = "Mechanically Tunable Broadband Omnidirectional Infrared Absorption by Dielectric Metasurfaces",

abstract = "New designs of mechanically tunable broadband and omnidirectional mid-infrared absorbers are proposed and theoretically analyzed. They utilize periodic dielectric metasurfaces embedded in an elastic material, i.e., polydimethylsiloxane (PDMS). Their tunable performance can be further improved when crumpled metallic substrates are used to terminate their structure. When stretched, the period of the dielectric metasurfaces increases while the thickness of the PDMS decreases, resulting to a rapid reduction in the total absorption. This dual elastic mechanism leads to a high degree of continuous absorption tunability over an ultrabroad wavelength range in the mid-infrared spectrum. The presented omnidirectional absorption tunability is expected to have important applications in emerging thermal management phenomena, such as radiative cooling of solar panels or spacecraft.",

author = "Butler, {Andrew E.} and Christos Argyropoulos",

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year = "2022",

doi = "10.1109/AP-S/USNC-URSI47032.2022.9886508",

language = "English (US)",

series = "2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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Butler, AE & Argyropoulos, C 2022, Mechanically Tunable Broadband Omnidirectional Infrared Absorption by Dielectric Metasurfaces. in 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings. 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings, Institute of Electrical and Electronics Engineers Inc., pp. 677-678, 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022, Denver, United States, 7/10/22. https://doi.org/10.1109/AP-S/USNC-URSI47032.2022.9886508

Mechanically Tunable Broadband Omnidirectional Infrared Absorption by Dielectric Metasurfaces. / Butler, Andrew E.; Argyropoulos, Christos.
2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2022. p. 677-678 (2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings).

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

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AU - Butler, Andrew E.

AU - Argyropoulos, Christos

PY - 2022

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N2 - New designs of mechanically tunable broadband and omnidirectional mid-infrared absorbers are proposed and theoretically analyzed. They utilize periodic dielectric metasurfaces embedded in an elastic material, i.e., polydimethylsiloxane (PDMS). Their tunable performance can be further improved when crumpled metallic substrates are used to terminate their structure. When stretched, the period of the dielectric metasurfaces increases while the thickness of the PDMS decreases, resulting to a rapid reduction in the total absorption. This dual elastic mechanism leads to a high degree of continuous absorption tunability over an ultrabroad wavelength range in the mid-infrared spectrum. The presented omnidirectional absorption tunability is expected to have important applications in emerging thermal management phenomena, such as radiative cooling of solar panels or spacecraft.

AB - New designs of mechanically tunable broadband and omnidirectional mid-infrared absorbers are proposed and theoretically analyzed. They utilize periodic dielectric metasurfaces embedded in an elastic material, i.e., polydimethylsiloxane (PDMS). Their tunable performance can be further improved when crumpled metallic substrates are used to terminate their structure. When stretched, the period of the dielectric metasurfaces increases while the thickness of the PDMS decreases, resulting to a rapid reduction in the total absorption. This dual elastic mechanism leads to a high degree of continuous absorption tunability over an ultrabroad wavelength range in the mid-infrared spectrum. The presented omnidirectional absorption tunability is expected to have important applications in emerging thermal management phenomena, such as radiative cooling of solar panels or spacecraft.

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Butler AE, Argyropoulos C. Mechanically Tunable Broadband Omnidirectional Infrared Absorption by Dielectric Metasurfaces. In 2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2022. p. 677-678. (2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2022 - Proceedings). doi: 10.1109/AP-S/USNC-URSI47032.2022.9886508

Mechanically Tunable Broadband Omnidirectional Infrared Absorption by Dielectric Metasurfaces

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