Researchers have found a type of image sensor has been developed that uses metamaterialen. The sensors would be easier to build than traditional construction with lenses and would be more versatile and cheaper.
The responsible employees of the Pratt School of Engineering, part of the Duke University in the United States, developed the sensor metamateriaal. That artificial material has specific properties that natural materials do not occur. It is because of its negative refractive index, also used in experiments to so-called ‘onzichtbaarheidsmantels’ to develop. The Duke researchers built their metamateriaal with pictures with a waveguide opening on a copper substrate are attached. Each opening in the plates is sensitive to a different wavelength in the range of 18GHz to 26GHz, what microwave images poses.
The great advantage of the microwave sensors is their simplicity: with a strip or an area with the sensors covered, a large composite image to be recorded. It would be no lenses, as with conventional sensors, and motors to the lens an object to be probing are needed. An application would be a scanner at airports can include: the metamateriaal sensors would have no moving parts in veiligheidspoorten can be used. This would make the scanning faster and cheaper.
Through all of the data in parallel to collect, would be the verwerkingshard – and software easier can be made. There is no data buffered and reconstructed to be in order to have a complete picture. The technology could also be used for vehicles: afstandsdetectie would rapper may be done so more quickly alerted to impending collisions between two cars.
Images with traditional millimeter scanner made