Cavity-type metasurface uncooled infrared detector

被引：0

作者：

Yang, Jun ^{[1
]}

Yang, Chun-Li ^{[1
]}

Fang, Hui ^{[1
]}

Yuan, Jun ^{[1
]}

Yan, Shan-Ru ^{[1
]}

Li, Hua-Ying ^{[1
]}

Li, Bing-Zhe ^{[1
]}

机构：

[1] Kunming Inst Phys, Kunming 650223, Peoples R China

来源：

JOURNAL OF INFRARED AND MILLIMETER WAVES | 2024年 / 43卷 / 05期

关键词：

uncooled IR detector; VOx microbolometer; Metasurface; Optical absorption enhancement; SOLAR-CELLS; ABSORPTION; GRATINGS; LIGHT;

D O I：

10.11972/j.issn.1001-9014.2024.05.006

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

As the cell size of uncooled infrared (IR) detectors progressively shrinks, it becomes increasingly important to increase detector absorption. here, an IMIAM (Insulator-Metal-Insulator-Air-Metal) cavity type metasurface uncooled IR detector structure is proposed, which effectively improves the uniformity of the photosensitive layer while enhancing the absorption of the detector. Utilizing systematic simulation and optimization, it has achieved almost perfect absorption in the Long Wavelength Infrared range (8 similar to 14 mu m), meanwhile, it also shows excellent absorption performance in Mid Wavelength Infrared band. In this paper, the reliability of the structure is also verified by the process. this research may provide alternatives for optimizing conventional uncooled IR detectors

引用

页码：621 / 627

页数：7

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