Preprint Article Version 1 This version is not peer-reviewed

Reconfiguration of the Pattern and Transmission Spectrum in Near Infrared Band by Plasmon Nano-Optical Antenna

Version 1 : Received: 17 June 2019 / Approved: 18 June 2019 / Online: 18 June 2019 (05:52:29 CEST)

How to cite: Zhong, D.; Yang, H.; Zeng, N.; Yang, G.; Zhou, J. Reconfiguration of the Pattern and Transmission Spectrum in Near Infrared Band by Plasmon Nano-Optical Antenna. Preprints 2019, 2019060168 (doi: 10.20944/preprints201906.0168.v1). Zhong, D.; Yang, H.; Zeng, N.; Yang, G.; Zhou, J. Reconfiguration of the Pattern and Transmission Spectrum in Near Infrared Band by Plasmon Nano-Optical Antenna. Preprints 2019, 2019060168 (doi: 10.20944/preprints201906.0168.v1).

Abstract

We propose a novel plasmon nano-optical antenna that consists of three vertically superimposed discs with different materials. Two symmetrical nanometer-scale Yagi antenna elements with gold-material are embedded into the surface of the middle disc with silicon dioxide. Based on plasmon theory and Yagi antenna principle, we explore the properties of the far-field radiation and near-field transmission of the antenna in near infrared band. It is found that the pattern of the xoy plane in the antenna can be adjusted in arbitrary direction. The far-field pattern and near-field transmission spectrum can be reconfigured by changing the angle a of the Yagi antenna elements in the middle disc. Moreover, we also discuss the influences of the widths and lengths of the elements on the near-field transmission spectrum when a is fixed at 0 degree.

Subject Areas

optical antenna; radiation pattern; transmission spectrum; reconfiguration

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