Investigation and configuration of an absorber with tunability across terahertz broadband relying upon graphene proportional architecture
Southwest University of Science and Technology · Guangxi Normal University · +4 more institutions
Abstract
In response to the problems such as complex structure, poor tunability and limited working bandwidth existing in current terahertz broadband absorbers, this study designs a tunable terahertz absorber based on the proportionally arranged graphene. This device adopts a simple three-layer structure. By optimizing the size ratio of each resonant region of the surface graphene, it achieves a broadband and highly efficient absorption of over 90% in the frequency range 2.69–5.92[Formula: see text]THz, with an average absorption rate of 97.3%. It also has good impedance matching characteristics and angle adaptability. The research shows that the broadband absorption property of this device stems from the electric…
Citation impact
- FWCI
- 53.86
- Percentile
- 100%
- References
- 84
Authors
6Topics & keywords
- Terahertz radiation
- Broadband
- Bandwidth (computing)
- Impedance matching
- Absorption (acoustics)
- Graphene
- Electrical impedance
- Electric field