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Browsing by Author "Paul, Nees"

Browsing by Author "Paul, Nees"

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  • Broadside coupled split ring resonator based multiband monopole patch antenna for wireless communication applications 
    Kizhakooden, Joe; Jose, Jovia; Paul, Nees; Chakyar, Sreedevi P; Sebastian, Anju; Simon, Sikha K; Umadevi, KS; Bindu, C; Andrews, Jolly; Joseph, VP (American Institute of Physics Inc., 2019-10-29)
    The present work reports the development of a multiband monopole patch antenna by utilizing Broadside Coupled Split Ring Resonator (BCSRR) units. This antenna makes use of the resonant property of metamaterial BCSRR units ...
  • Enhancing the resolution in imaging using folded metamaterial split ring resonator structure at microwave frequencies 
    Bindu, C; Chakyar, Sreedevi P; Sebastian, Anju; Simon, Sikha K; Jose, Jovia; Paul, Nees; Umadevi, KS; Kizhakooden, Joe; Andrews, Jolly; Joseph, VP (American Institute of Physics Inc., 2019-10-29)
    A novel and better resolution topology for reducing the sensing area of conventional Split Ring Resonator (SRR) metamaterial structure is proposed. The conventional planar SRR structure is fabricated on a thin flexible ...
  • Frequency-dependent radiation properties of negative permittivity metamaterial reflector antenna 
    Jose, Jovia; Simon, Sikha K; Kizhakooden, Joe; Sebastian, Anju; Chakyar, Sreedevi P; Paul, Nees; C, Bindu; Andrews, Jolly; Joseph, V P (IOP PUBLISHING LTD, 2019-08-07)
    This paper reports a novel type of microwave reflector antenna that uses the frequency-dependent properties of an epsilon negative (ENG) metamaterial medium. The frequency-dependent characteristics of this artificial plasma ...
  • Humidity Sensitive Flexible Microwave Absorbing Sheet Using Polyaniline–Polytetrafluoroethylene Composite 
    Paul, Nees; Chakyar, Sreedevi P; Umadevi, KS; Sikha, Simon K; Kizhakooden, Joe; Andrews, Jolly; Joseph, VP (Springer, 2018-06-22)
    Pelletized or powdered polyaniline composite, a potential candidate for microwave absorbers, was synthesized in the sheet form for the first time, and its absorption characteristics along with structural, electrical and ...
  • Interaction of a Sine Wave with an Artificial Negative Permittivity Medium Using Nonstandard FDTD 
    Jose, Jovia; Simon, Sikha K; Kizhakooden, Joe; Sebastian, Anju; Chakyar, Sreedevi P; Cherala, Bindu; Andrews, Jolly; Joseph, VP; Paul, Nees (Electromagnetics Academy, 2019-01)
    This paper presents the realization of Nonstandard Finite Difference Time Domain (NS-FDTD) analysis having high accuracy and low computational cost to a negative permittivity metamaterial wire medium for the first time. A ...
  • Measurement of dielectric constant of waxes at different temperatures using split ring resonator structure 
    Chakyar, Sreedevi P; Shanto, TA; Aathira, Muralil; K, Sikha Simon; Paul, Nees; Andrews, Jolly; Joseph, VP (Institute of Electrical and Electronics Engineers Inc., 2016-12)
    Dielectric constant variation with temperature for different wax sampies is analysed with the help of split ring resonators (SRRs). The method employs a simple extraction procedure to obtain the unknown permittivity values ...
  • Metamaterial inspired featherlight artificial plasma horn antenna for astronomical and communication applications 
    Kizhakooden, Joe; Jose, Jovia; Paul, Nees; Simon, Sikha K; Chakyar, Sreedevi P; Andrews, Jolly; Joseph, VP (Wiley Online Library, 2018-12-09)
    In this article, we introduce a novel type of horn antenna constructed using artificial plasma sheets. This metamaterial inspired negative permittivity antenna fabricated using thin metallic wires in a specialized manner ...
  • Metamaterial Split Ring Resonators made of Polyaniline - polytetrafluoroethylene at Microwave Frequencies 
    Paul, Nees; Kizhakooden, Joe; Jose, Jovia; Andrews, Jolly; Joseph, VP (Institute of Electrical and Electronics Engineers Inc., 2019)
    We present the observance of magnetic resonance for the first time in Split Ring Resonators (SRRs) made of polyaniline - based conducting polymer and verify our experimental result through simulation. The magnetic resonance ...
  • Microwave absorption properties of flexible zinc oxide sheet 
    Paul, Nees; Jimmy, Janet; Chakyar, Sreedevi P; Simon, Sikha K; Kizhakooden, Joe; Bindu, C; Sebastian, Anju; Umadevi, KS; Jose, Jovia; Andrews, Jolly; Joseph, VP (American Institute of Physics Inc., 2019-10-29)
    This paper presents the fabrication and microwave absorption properties of low-cost flexible light-weight zinc oxide (ZnO) sheet. The elastomers, films and foams used as microwave absorbers are made of lossy materials ...
  • Non - destructive method for thickness measurement of dielectric films using metamaterial resonator 
    Sebastian, Anju; Davis, Denet; Simon, Sikha K; Chakyar, Sreedevi P; Jose, Jovia; Kizhakooden, Joe; Paul, Nees; Bindu, C; Joseph, VP; Andrews, Jolly (American Institute of Physics Inc., 2019-10-29)
    This paper describes an efficient method for the precise measurement of thickness of dielectric films using metamaterial Broadside Coupled Split Ring Resonator (BCSRR). The experimental arrangement is based on the frequency ...
  • Scattering from artificial plasma cylinder using nonstandard FDTD 
    Jose, Jovia; Simo, Sikha K; Sebastian, Anju; Chakyar, Sreedevi P; Kizhakooden, Joe; Paul, Nees; Bindu, C; Umadevi, KS; Andrews, Jolly; Joseph, VP (American Institute of Physics Inc., 2019-10-29)
    This paper implements Nonstandard Finite Difference Time Domain (NS-FDTD) method to analyses the scattering effect of electromagnetic wave by an artificial plasma cylinder. This NS-FDTD which requires less iteration time ...
  • Thin Film Metamaterial Split Ring Resonators at Microwave Frequencies 
    Paul, Nees; Cherala, Bindu; Andrews, Jolly; Joseph, VP; Simon, Sikha K. (Institute of Electrical and Electronics Engineers Inc., 2019)
    In this paper we present a metamaterial Split Ring Resonator (SRR) made of thin films of nanometer thickness working in microwave frequencies. Since the thickness of nano-film used for fabricating metamaterial structures ...