Patent ID: 8507785

Claim:
A method for collecting electromagnetic energy and generating electrical energy, the method comprising: receiving the electromagnetic energy by a first end of at least one waveguide having a first cross-sectional dimension defined by an inner surface of the at least one waveguide, wherein said at least one waveguide is adapted to capture and enhance an electric field from said electromagnetic energy to create a high, localized electric field; propagating the electromagnetic energy toward a second end of the at least one waveguide, wherein the second end of the at least one waveguide has a second cross-sectional dimension that is smaller than the first cross-sectional dimension, wherein said at least one waveguide has at least one other cross-sectional dimension that is between the first cross-sectional dimension and the second cross-sectional dimension, and wherein said at least one other cross-sectional dimension corresponds to a wavelength of the electromagnetic energy received by said at least one waveguide; and interacting the electromagnetic energy with the inner surface of the at least one waveguide to generate an emission of electrons from the at least one waveguide to an anode.