Single-layer graphene four-band THz metamaterial absorber

Near-perfect four-band absorption

Achieves four perfect absorption peaks using a single-layer rotationally symmetric elliptical ring graphene pattern, with tunable frequencies and high refractive index sensing capability.

Hu, Dan · Shang, Hongwei · Li, Yaqin · Feng, Mingchun · Yang, Gui

Physica Scripta 2026

Specifications

吸收率

{'zh': '99.36', 'en': ''} %

吸收率

{'zh': '99.17', 'en': ''} %

吸收率

{'zh': '99.49', 'en': ''} %

吸收率

{'zh': '98.91', 'en': ''} %

最大折射率灵敏度

{'zh': '1.107', 'en': ''} THz RIU⁻¹