Flexible C-shaped metallic metasurface based optics for terahertz beam shaping

被引：0
|
作者：
Ivaskeviciute-Povilauskiene, R. [1 ]
Cizas, V. [1 ]
Nacius, E. [1 ]
Grigelionis, I. [1 ]
Redeckas, K. [1 ]
Bernatonis, M. [1 ]
Orlov, S. [1 ]
Valusis, G. [1 ]
Minkevicius, L. [1 ]
机构：
[1] Ctr Phys Sci & Technol FTMC, Sauletekio Ave 3, LT-10257 Vilnius, Lithuania
来源：
2023 48TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES, IRMMW-THZ | 2023年
关键词：
D O I：
10.1109/IRMMW-THz57677.2023.10299193
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This study explores the use of passive and flexible optics elements to achieve THz beam profile engineering for imaging applications via mechanical bending. Specifically, a stainless steel-based C-shaped metasurface was designed and fabricated using laser ablation technology. The metasurface performance and polarisation manipulation were experimentally evaluated for different focal distances and geometrical metaatom parameters. Experimental data are well supported by simulations using the Finite Difference Time Domain method. The results obtained pave the way to achieve accurate beam profile engineering and resolved polarisation in THz imaging.
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页数：2
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