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Simulation results for a novel optically-controlled photonic bandgap structure for microstrip lines

conference contribution
posted on 2017-09-11, 11:08 authored by Darren Cadman, David Hayes, Robert E. Miles, Robert W. Kelsall
A novel optically controlled one dimensional (1D) photonic bandgap (PBG) microstrip structure is proposed. This device consists of a 50 /spl Omega/ microstrip transmission line and a PBG ground plane both deposited onto a photoconductive substrate. With no optical illumination the structure exhibits a well-defined stopband. When light is focused through the holes in the ground plane and onto the substrate, electron-hole pairs are generated to form a photoinduced plasma. This increases the conductivity of the exposed region of the substrate and forms a complete ground plane. The structure then acts as a conventional microstrip line and the bandstop characteristics are switched off. S-parameter simulation results are presented.

Funding

The author would like to thank the Engineering and Physical Science Research Council and Elettronica Systems Limited for the funding of this research.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

2000 High Frequency Postgraduate Student Colloquium

Pages

110 - 115

Citation

CADMAN, D. ... et al., 2000. Simulation results for a novel optically-controlled photonic bandgap structure for microstrip lines. IN: Proceedings of 2000 5th IEEE High Frequency Postgraduate Student Colloquium, Dublin, Ireland, 7-8 September 2000, pp.110-115.

Publisher

© IEEE

Version

  • VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2000

ISBN

0780365909;9780780365902

Language

  • en

Location

Dublin

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