Author: "Varshney, Arun Kumar" / Publication Year Range: Last 10 years - Searchworks@Jio Institute Digital Library Search Results

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Author: Varshney, Arun Kumar, Pathak, Nagendra P., Sircar, Debabrata, Bansal, Jagdish Chand, Series Editor, Deep, Kusum, Series Editor, Nagar, Atulya K., Series Editor, Singh Mer, Krishan Kant, editor, Semwal, Vijay Bhaskar, editor, Bijalwan, Vishwanath, editor, and Crespo, Rubén González, editor
Published: 2021
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Author: Varshney, Arun Kumar, Pathak, Nagendra Prasad, Sircar, Debabrata, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Iyer, Brijesh, editor, Nalbalwar, S.L., editor, and Pathak, Nagendra Prasad, editor
Published: 2019
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Author: Varshney, Arun Kumar, Pathak, Nagendra P., and Sircar, Debabrata
Subjects: GRAPHENE, MULTIFREQUENCY antennas, LUMPED elements, METAMATERIALS, ANTENNAS (Electronics)
Abstract: This paper proposes a graphene patch antenna for dual-band operation while maintaining a low profile. The antenna consists of the metasurface-based 4 x 4 AMC configuration and the square graphene patch driven through the aperture coupling. The fundamental TM 10 mode of graphene patch excites the first resonance frequency, while the TM 10 and antiphase TM 20 modes of metasurface simultaneously excite the second wide frequency band. The first resonance frequency excited by the graphene patch can be reconfigured by varying the external DC bias voltage on the graphene patch. An equivalent circuit of antenna using lumped elements has also been proposed using a vector fitting algorithm. The proposed antenna with a profile height of 0. 12 λ 0 (where λ 0 is free space wavelength) at a center frequency of 1.14 THz achieves the gain from 7.06 dB to 10.4 dB in the first band and an average gain of 10 dB in the second band. [ABSTRACT FROM AUTHOR]
Published: 2023
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