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Reflective diffraction gratings employ periodic arrays of a given three dimensional structure to produce appropriate constructive and destructive interference to redirect an incident wave. Depending upon the angle of incidence, the thickness required for this structure can range from a fraction of a wavelength to several wavelengths. Whilst such a thickness(More)
Reflective diffraction gratings consist of a periodic three-dimensional structure that produces appropriate constructive and destructive interference in order to redirect an incoming wave as a function of frequency. Depending upon the angle of incidence, the thickness required for this structure can range from a fraction of a wavelength to several(More)
In this article, we present work being performed at Airbus Group Innovations (AGI), the research center of the Airbus Group, in the area of building stealth. Building restrictions relating to perturbations of aircraft landing systems prevent several tens of square kilometers of land within and close to airports from being used for construction. We present(More)
It is sometimes necessary to reduce the electromagnetic signature of buildings because of their undesirable effect on aircraft navigation systems. Indeed, planning permission is not granted to buildings close to airport runways unless their perturbation can be reduced to less than specified regulatory thresholds. This paper presents two solutions for doing(More)
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