Search Results - "Gerini, G"

Refine Results
  1. 1

    Ultra-narrowband polarization insensitive transmission filter using a coupled dielectric-metal metasurface by Nagarajan, A, van Erve, K, Gerini, G

    Published in Optics express (06-01-2020)
    “…A coupled dielectric-metal metasurface (CDMM) filter consisting of amorphous silicon (a-Si) rings and subwavelength holes in Au layer separated by a SiO layer…”
    Get full text
    Journal Article
  2. 2

    Extreme Scanning Double Shaped-Reflector Antenna With Multiple Interactions for Focal Plane Array Applications by Dubok, A., Gerini, G., Smolders, A. B.

    “…A new type of focal plane array (FPA) reflector antenna concept is proposed with a very wide field-of-view over a wide bandwidth (20-40 GHz) for ground…”
    Get full text
    Journal Article
  3. 3

    Scanning Performances of Wideband Connected Arrays in the Presence of a Backing Reflector by Neto, A., Cavallo, D., Gerini, G., Toso, G.

    “…In this paper, the scanning performances of connected arrays that include backing reflectors are investigated. The comparison between connected dipoles and…”
    Get full text
    Journal Article
  4. 4

    PCB Slot Based Transformers to Avoid Common-Mode Resonances in Connected Arrays of Dipoles by Cavallo, D, Neto, A, Gerini, G

    “…The scanning performances of connected arrays are degraded by the excitation of common-mode resonances that are compatible with balanced feeding lines. Here, a…”
    Get full text
    Journal Article
  5. 5

    Double-Reflector Configuration for Optimal Exposure of Wideband Focal-Plane Arrays With Optical Beamforming by Dubok, A., Al-Rawi, A., Tessema, N., Tangdiongga, E., Herben, M. H. A. J., Gerini, G., Smolders, A. B.

    “…An optimized double-reflector antenna concept for a wideband focal plane array (FPA) configuration is presented for Ka-band applications with a limited scan…”
    Get full text
    Journal Article
  6. 6
  7. 7

    Planar circularly symmetric EBG structures for reducing surface waves in printed antennas by Llombart, N., Neto, A., Gerini, G., de Maagt, P.

    “…This paper discusses the design and analysis of planar circularly symmetric (PCS) electromagnetic band gap (EBG) structures for reducing the surface waves…”
    Get full text
    Journal Article
  8. 8

    Leaky-Wave Slot Array Antenna Fed by a Dual Reflector System by Ettorre, M., Neto, A., Gerini, G., Maci, S.

    “…A leaky-wave slot array antenna fed by a dual offset Gregorian reflector system is realized by pins in a parallel plate waveguide. The radiating part of the…”
    Get full text
    Journal Article
  9. 9

    Leaky wave enhanced feed arrays for the improvement of the edge of coverage gain in multibeam reflector antennas by Llombart, N., Neto, A., Gerini, G., Bonnedal, M., De Maagt, P.

    “…The performance of multibeam focal plane arrays feeding a single aperture is usually reduced due to conflicting requirements on the feed elements. Dense…”
    Get full text
    Journal Article
  10. 10

    Multimode Equivalent Networks for the Design and Analysis of Frequency Selective Surfaces by Monni, S., Gerini, G., Neto, A., Tijhuis, A.G.

    “…A modular technique originally proposed for waveguide junctions, the multimode equivalent network approach based on the integral equation formulation (IEMEN),…”
    Get full text
    Journal Article
  11. 11

    EBG Enhanced Feeds for the Improvement of the Aperture Efficiency of Reflector Antennas by Neto, A., Llombart, N., Gerini, G., Bonnedal, D.M., de Maagt, P.

    “…We describe the use of electromagnetic bandgap (EBG) super-layers to improve the shape of reflectors illumination function. Following an investigation of the…”
    Get full text
    Journal Article
  12. 12

    The leaky lens: a broad-band fixed-beam leaky-wave antenna by Neto, A., Bruni, S., Gerini, G., Sabbadini, M.

    “…A novel type of leaky-wave antenna is presented. Differently from previously reported leaky-wave antennas, it is characterized by a constant beam direction…”
    Get full text
    Journal Article
  13. 13

    Sector PCS-EBG Antenna for Low-Cost High-Directivity Applications by Ettorre, M., Bruni, S., Gerini, G., Neto, A., Llombart, N., Maci, S.

    “…This letter proposes a new topology of antenna based on the use of planar circularly symmetric electromagnetic band gap (PCS-EBG) with different periodicities…”
    Get full text
    Journal Article
  14. 14

    Impact of Mutual Coupling in Leaky Wave Enhanced Imaging Arrays by Llombart, N., Neto, A., Gerini, G., Bonnedal, M., De Maagt, P.

    “…The impact of mutual coupling between neighboring radiators in an imaging array configuration in the presence of a dielectric super-layer is investigated. The…”
    Get full text
    Journal Article
  15. 15

    Frequency-Selective Surface to Prevent Interference Between Radar and SATCOM Antennas by Monni, S., Neto, A., Gerini, G., Nennie, F., Tijhuis, A.

    “…Interference between neighboring antennas operating in nearby frequency ranges can lead to damage of the front-end electronics. This letter presents the design…”
    Get full text
    Journal Article
  16. 16

    Multilayer array antennas with integrated frequency selective surfaces conformal to a circular cylindrical surface by Gerini, G., Zappelli, L.

    “…In this paper, we present the analysis of periodic arrays on cylindrical surfaces using open-ended waveguide radiators loaded with radomes and frequency…”
    Get full text
    Journal Article
  17. 17

    On the optimal radiation bandwidth of printed slot antennas surrounded by EBGs by Neto, A., Llombart, N., Gerini, G., De Maagt, P.

    “…This paper describes a design strategy to achieve the maximum bandwidth and efficiency for a printed slot antenna surrounded by EBGs. First the dielectric…”
    Get full text
    Journal Article
  18. 18

    1-D Scanning Arrays on Dense Dielectrics Using PCS-EBG Technology by Llombart, N., Neto, A., Gerini, G., de Maagt, P.

    “…We show how the design of integrated arrays can significantly benefit from planar circularly symmetric (PCS) electromagnetic band gap (EBG) structures. Using…”
    Get full text
    Journal Article
  19. 19

    Phased arrays of rectangular apertures on conformal cylindrical surfaces: a multimode equivalent network approach by Gerini, G., Zappelli, L.

    “…In this paper, we present an efficient integral equation formulation based on a multimode equivalent network (MEN) approach for the analysis of phased arrays…”
    Get full text
    Journal Article
  20. 20

    Metamaterial Based Spectro-polarimetric Systems by Gerini, G., Stoevelaar, L.P., Ceccotti, T.

    “…In this work, we present three different metamaterial based spectro-polarimetric systems. Their principles of operation and their performances are briefly…”
    Get full text
    Conference Proceeding