Automotive radar using a metamaterial lens

Details Automotive radar using a metamaterial lens Automotive radar using a metamaterial lens

2008-08-07

2010-12-21

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

C343S909000

Reexamination Certificate

active

07855691

ABSTRACT:
An example apparatus comprises an electromagnetic source, such as an antenna, a metamaterial lens, and a reflector. The antenna is located proximate the metamaterial lens, for example supported by the metamaterial lens, and the antenna is operable to generate radiation when the antenna is energized. The reflector is positioned so as to reflect the radiation through the metamaterial lens. The reflector may have a generally concave reflective surface, for example having a parabolic or spherical cross-section. The metamaterial lens may have an area similar to that of the aperture of the reflector. In some examples, the antenna is located proximate a focal point of the reflector, so that a generally parallel beam is obtained after reflection from the reflector.

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