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Frequency Selective Surface Based Bandpass Filter for THz Communication System

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Abstract

In this work, a band pass filter based on frequency selective surface (FSS) is presented. The resonance of the FSS is achieved by perforating slot type ring structure on an Aluminum layer. To ensure adequate mechanical strength, this structure is again supported by a dielectric layer. The physical dimensions of the FSS, i.e. ring radius, slot width, cell dimension and width of the layers all are responsible for the resonance behavior. In its electrical equivalent circuit, these dimensions act as inductor and capacitor. The center frequency of the designed filter is at 0.16 THz with a −3 dB bandwidth of 18 GHz. This filter can be utilized as a part of any THz communication system to achieve application specific frequency discrimination. The simulation has been carried by using commercial software-CST Microwave Studio. The performance of the fabricated FSS is evaluated by Microwave Vector Network Analyzer.

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Acknowledgement

This work has been done under the financial and technical support from the Erasmus Mundus MSc in Photonics (EMMP) program, Vrije Universiteit Brussel (VUB), Belgium

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Authors and Affiliations

  1. Department of Applied Physics, Electronics and Communication Engineering, University of Dhaka, Dhaka, Bangladesh

    Subrata Das

  2. Department of Electronics and Communication Engineering, Jatiya Kabi kazi Nazrul Islam University, Trishal, Mymensingh, Bangladesh

    Khan Mamun Reza

  3. Department of Electronics and Communication Engineering, University of Information Technology and Sciences, Dhaka, Bangladesh

    Md. Ahsan Habib

Authors
  1. Subrata Das
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  2. Khan Mamun Reza
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  3. Md. Ahsan Habib
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Correspondence to Subrata Das.

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Das, S., Reza, K.M. & Habib, M.A. Frequency Selective Surface Based Bandpass Filter for THz Communication System. J Infrared Milli Terahz Waves 33, 1163–1169 (2012). https://doi.org/10.1007/s10762-012-9936-4

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  • DOI: https://doi.org/10.1007/s10762-012-9936-4

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