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Author

Sohail Ahmad

2 papers indexed here

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Open access Sep 2026

Design and Refractive Index Sensing Investigation of a Multi-Mode Switchable VO2-Graphene Terahertz Absorption Device

Terahertz waves combine the dual characteristics of electronics and photonics and boast tremendous application potential in fields including nondestructive testing, telecommunications and biochemical sensing. Natural materials generally interact weakly with terahertz waves. In contrast, the reversible metal–insulator t...

Si-Wen Zhang, Jun Zhu, Zao Yi et al. · 0 citations
Open access Aug 2026

Investigation of a Tunable Ultra‐Broadband Terahertz Absorber Based on Composite‐Patterned Monolayer Graphene

This paper proposes an ultra‐broadband terahertz absorber featuring a composite‐patterned monolayer graphene metasurface. By structurally combining a centrally perforated elliptical array with adjacent slotted strips, the absorber achieves a continuous working band from 2.18 to 6.32 THz, with a relative bandwidth of...

Si-Qi Li, Li Liu, Yong Zhang et al. · 0 citations

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