Tuning the infrared resonance of thermal emission from metasurfaces working in near-infrared

被引：2

作者：

Rasoga, Oana ^{[1
,3
,4
]}

Dragoman, Daniela ^{[2
,3
,4
]}

Dinescu, Adrian ^{[3
]}

Dirdal, Christopher Andrew ^{[4
]}

Zgura, Irina ^{[1
]}

Nastase, Florin ^{[3
]}

Baracu, Angela Mihaela ^{[3
]}

Iftimie, Sorina ^{[2
]}

Galca, Aurelian Catalin ^{[1
]}

机构：

[1] Natl Inst Mat Phys, 405A Atomistilor St, Magurele 077125, Romania

[2] Univ Bucharest, Fac Phys, 405 Atomistilor St,POB MG-11, Magurele 077125, Romania

[3] Natl Inst Res & Dev Microtechnol IMT Bucharest, 126A Erou Iancu Nicolae St, Voluntari 077190, Romania

[4] SINTEF Microsyst & Nanotechnol, Gaustadalleen 23C, N-0737 Oslo, Norway

来源：

SCIENTIFIC REPORTS | 2023年 / 13卷 / 01期

关键词：

LIGHT;

D O I：

10.1038/s41598-023-34741-4

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We simulated numerically and demonstrated experimentally that the thermal emittance of a metasurface consisting of an array of rectangular metallic meta-atoms patterned on a layered periodic dielectric structure grown on top of a metallic layer can be tuned by changing several parameters. The resonance frequency, designed to be in the near-infrared spectral region, can be tuned by modifying the number of dielectric periods, and the polarization and incidence angle of the incoming radiation. In addition, the absorbance/emittance value at the resonant wavelength can be tuned by modifying the orientation of meta-atoms with respect to the illumination direction.

引用

页数：11

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