Reconfigurable characteristics of graphene plates

Khatereh Moradi; Ali Pourziad; Saeid Nikmehr

doi:10.1364/AO.58.005415

Applied Optics
Vol. 58,
Issue 20,
pp. 5415-5421
(2019)
•https://doi.org/10.1364/AO.58.005415

Reconfigurable characteristics of graphene plates

Khatereh Moradi, Ali Pourziad, and Saeid Nikmehr

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Khatereh Moradi, Ali Pourziad, and Saeid Nikmehr, "Reconfigurable characteristics of graphene plates," Appl. Opt. 58, 5415-5421 (2019)

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Abstract

In this paper, the potential of graphene in the design of reconfigurable nanoantennas is investigated based on the characteristic modes analysis approach. The characteristic modes (CMs) of a graphene plate are calculated by the electrical field integral equation technique. The effects of the dimensions and chemical potential of the graphene plate on the CMs are investigated. For achieving CMs, a novel formulation is introduced. The results of this analysis can be useful in designing efficient nanoantennas for wireless communications in the terahertz band.

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	Mode 1
	$\frac{W}{L} < 0.5$	$\frac{W}{L} > 0.5$	$\frac{W}{L} = 0.5$
$μ_{c}$ (eV)	$(L / λ_{0})$
0	0.04	0.032	0.036
0.1	0.056	0.045	0.050
0.2	0.069	0.055	0.062
0.3	0.078	0.063	0.071
0.4	0.087	0.071	0.079
0.5	0.096	0.077	0.086
0.6	0.103	0.084	0.092
0.7	0.11	0.089	0.099
0.8	0.116	0.094	0.105
0.9	0.122	0.098	0.110

	Mode 2
	$\frac{W}{L} < 0.5$	$\frac{W}{L} > 0.5$	$\frac{W}{L} = 0.5$	$\frac{W}{L} < 0.5$	$\frac{W}{L} > 0.5$
$μ_{c}$ (eV)	$(W / λ_{0})$			$(L / 2 λ_{0})$
0	0.015	0.032	0.027	0.045	0.021
0.1	0.021	0.045	0.038	0.064	0.030
0.2	0.026	0.055	0.047	0.078	0.037
0.3	0.030	0.063	0.054	0.089	0.042
0.4	0.033	0.070	0.06	0.100	0.047
0.5	0.036	0.077	0.066	0.109	0.051
0.6	0.039	0.083	0.071	0.117	0.056
0.7	0.042	0.089	0.075	0.125	0.059
0.8	0.045	0.094	0.079	0.132	0.062
0.9	0.047	0.099	0.083	0.139	0.066

	Mode 1
	$\frac{W}{L} < 0.5$	$\frac{W}{L} > 0.5$	$\frac{W}{L} = 0.5$
$μ_{c}$ (eV)	$(L / λ_{0})$
0	0.04	0.032	0.036
0.1	0.056	0.045	0.050
0.2	0.069	0.055	0.062
0.3	0.078	0.063	0.071
0.4	0.087	0.071	0.079
0.5	0.096	0.077	0.086
0.6	0.103	0.084	0.092
0.7	0.11	0.089	0.099
0.8	0.116	0.094	0.105
0.9	0.122	0.098	0.110

	Mode 2
	$\frac{W}{L} < 0.5$	$\frac{W}{L} > 0.5$	$\frac{W}{L} = 0.5$	$\frac{W}{L} < 0.5$	$\frac{W}{L} > 0.5$
$μ_{c}$ (eV)	$(W / λ_{0})$			$(L / 2 λ_{0})$
0	0.015	0.032	0.027	0.045	0.021
0.1	0.021	0.045	0.038	0.064	0.030
0.2	0.026	0.055	0.047	0.078	0.037
0.3	0.030	0.063	0.054	0.089	0.042
0.4	0.033	0.070	0.06	0.100	0.047
0.5	0.036	0.077	0.066	0.109	0.051
0.6	0.039	0.083	0.071	0.117	0.056
0.7	0.042	0.089	0.075	0.125	0.059
0.8	0.045	0.094	0.079	0.132	0.062
0.9	0.047	0.099	0.083	0.139	0.066

Abstract

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Figures (12)

Tables (2)

Equations (24)

Applied Optics