Centre National De La Recherche Scientifique

Centre National Detudes Spatiales

Centre National De La Recherche Scientifique-cnrs

Université De Limoges

Régis Chantalat

Bernard Jecko

Patrick Dumon

Marc Thevenot

Thierry Monediere

Ludovic Leger

Hervé Legay

Moustapha Salah Toubeh

An antenna uses a photonic forbidden band (PFB) material in which, by default, a surface () for injecting and/or receiving electromagnetic waves in a resonance cavity of the antenna () has at least a width or a length of a diameter higher than or equal to the wavelength of the working frequency.

Antenna using a PBG (photonic band gap) material, and system and method using this antenna

A frequency multiband antenna includes a photonic bandgap material having at least one band gap, one single periodicity defect of the bandgap material so as to produce several narrow bandwidths within the at least one band gap of the bandgap material, and an excitation device capable of transmitting and/or receiving electromagnetic waves within the narrow bandwidths.

Frequency multiband antenna with photonic bandgap material

A multibeam antenna includes: a photonic bandgap material () having at least one band gap; at least one periodicity defect so as to produce at least one narrow bandwidth inside the at least one band gap of the photonic bandgap material, and excitation elements (to) for enabling electromagnetic waves to be received inside the at least one narrow bandwidth. The excitation elements are mutually arranged so as to generate radiating spots (to) partly overlapping on one surface of the photonic bandgap material.

Multibeam antenna with photonic bandgap material

A system includes a device for focusing electromagnetic waves, and a multiple-beam antenna. The antenna includes: a photonic bandgap material () having at least one band gap, at least one periodicity defect () of the photonic bandgap material so as to produce at least one narrow bandwidth within the bandgap material, and excitation elements (to) for transmitting and/or receiving electromagnetic waves within the at least one narrow bandwidth, the elements being arranged relative to one another so as to produce overlapping radiating spots.

Multiple-beam antenna with photonic bandgap material

Growing community of inventors

Limoges, France

Régis Chantalat