Search Results - "Hagag, Mohamed F."

Signal growth in a pure time-modulated transmission line and the loss effect by Hagag, Mohamed F., Jones, Thomas R., Seddik, Karim, Peroulis, Dimitrios

“…We present the first comprehensive study for signal growth in transmission lines (TL) with purely time-modulated characteristic impedance Z o (infinite…”
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High-Performance Tunable Narrowband SIW Cavity-Based Quadrature Hybrid Coupler by Hagag, Mohamed F., Zhang, Runqi, Peroulis, Dimitrios

“…This letter presents, for the first time, a tunable narrowband substrate integrated waveguide (SIW) cavity-based quadrature hybrid coupler. Four high-quality…”
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Tunable SIW Cavity-Based Dual-Mode Diplexers With Various Single-Ended and Balanced Ports by Hagag, Mohamed F., Abu Khater, Mohammad, Hickle, Mark D., Peroulis, Dimitrios

“…This paper presents, for the first time, tunable dual-mode substrate integrated waveguide (SIW) diplexers with various single-ended (SE) or balanced (BAL)…”
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Ultra-Compact Tunable Filtering Rat-Race Coupler Based on Half-Mode SIW Evanescent-Mode Cavity Resonators by Hagag, Mohamed F., Abu Khater, Mohammad, Sinanis, Michael D., Peroulis, Dimitrios

“…In this paper, for the first time, an ultra-compact frequency-tunable filtering rat-race coupler based on half-mode evanescent-mode (EVA) cavity resonators is…”
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Novel High-Performance SIW Cavity-Based Switching Structures by El-Gendy, Kareem H., Khater, Mohammad Abu, Abdelaziem, Islam H., Abdalla, Mahmoud A., Peroulis, Dimitrios, Hagag, Mohamed F.

“…In this article, novel architectures for high-speed substrate integrated waveguide (SIW) filtering switches with high-power handling are presented. A four-port…”
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Innovative model of surface-enhanced Raman spectroscopy for exosomes identification: An approach for the diagnosis of hepatocellular carcinoma by Elkady, Amr, Hassan, Marwa, Hagag, Mohamed F., El-Ahwany, Eman, Helal, Osama M., Zoheiry, Mona, Abdalla, Mahmoud A., Elzallat, Mohamed

“…•A novel model of SERS was designed using an innovative glass and nano-gold.•The proposed model can detect the circulating tumor-derived exosomes in HCC…”
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Exploring a novel approach for the synthesis of MIL-53(Fe)/reduced graphene oxide composites with preserved structural integrity for high performance for electromagnetic wave shielding by Elmowafy, Mohamed E., Abuzalat, Osama, Baraka, Ahmad, Elsayed, Mohamed A., Hagag, Mohamed F., Sadek, Ramy, Tantawy, Hesham

“…Efficient electromagnetic waves absorbing materials while preserving structural integrity based on MIL-53(Fe)/reduced graphene oxide composites remains a…”
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A Low-Loss High-Speed SIW Cavity SPDT Switch Architecture by El-Gendy, Kareem H., Abu Khater, Mohammad, Abdalla, Mahmoud A., Peroulis, Dimitrios, Hagag, Mohamed F.

“…In this paper, a novel low-loss high-speed substrate integrated waveguide (SIW) single-pole double-throw (SPDT) switch is presented. It consists of a circular…”
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Different Approaches to Enhance Raman Spectroscopy with Metasurface Structures by Elkady, Amr, Helal, Osama M., Abdalla, Mahmoud A., Hagag, Mohamed F.

“…Enhanced surface Raman scattering (SERS) has become an attractive research field due to its importance in biosensing. Utilizing nanotechnology creates new…”
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Meta-surface Structure for Polarization Control Based on Malus Law by Elkady, Amr, Hagag, Mohamed F., Helal, Osama M., Abdalla, Mahmoud A.

“…Metamaterials and metsurfaces structures in subwavelength scale which is integrated on the different building blocks of optical structures reshapes the design…”
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Optical Fishnets Based on Plasmonic Resonance by Elkady, Amr, Hagag, Mohamed F., Helal, Osama M., Abdalla, M.A.

“…This work focuses on a theoretical and rigorous investigation of a particular category of metamaterial structures known as fishnets. Fishnets are composed of…”
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A Compact Tunable Filtering Rat-Race Coupler by Hagag, Mohamed F., Peroulis, Dimitrios

“…Ahstract- This paper presents, for the first time, a compact frequency-tunable filtering rat-race coupler. The design employs four high-Q tunable Substrate…”
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A compact metamaterial SIW diplexer with transmission zeros by El-Gendy, Kareem H., Abdel Aziz, Ahmed A., Hagag, Mohamed F., Abdalla, Mahmoud A.

“…A compact low-loss microstrip diplexer with four controllable transmission zeros (TZs), all less than 41 dB, is presented. The diplexer circuit consists of two…”
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Balanced-Balanced Tunable Filtering LNA using Evanescent-Mode Resonators by Hagag, Mohamed F., Abu Khater, Mohammad, Peroulis, Dimitrios

“…Multifunctional RF components are of great benefit to wireless systems, as they can reduce size and power consumption. A fully balanced Low-Noise Amplifier…”
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Co-Design of Reconfigurable and Multifunction Passive RF/microwave Components by Hagag, Mohamed F

“…In order to meet the market demands, multi-band communication systems that are able to accommodate different wireless technologies to be compatible with…”
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Signal Amplification in Time-Modulated RF Components with Infinite Superluminality by Hagag, Mohamed F., Jones, Thomas R., Seddik, Karim, Peroulis, Dimitrios

“…Wave propagation in time-varying media is a hot topic at the moment due to the exotic properties the wave experiences, such as magnetless non-reciprocity,…”
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Reconfigurable non-reciprocal wave growth in spatiotemporal modulated 1-D crystal by Hagag, Mohamed F, Jones, Thomas R, Seddik, Karim, Peroulis, Dimitrios

“…Nonreciprocity in space-time modulated photonic crystals has been investigated in the context of nonreciprocal propagation and polarization. Here, we…”
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Balanced octave-tunable absorptive bandstop filter by Hagag, Mohamed F., Abdelfattah, Mahmoud, Peroulis, Dimitrios

“…This paper presents, for the first time, a balanced octave-tunable absorptive bandstop filter. The balanced (differential) operation is realized by coupling…”
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