Method and apparatus for directing electromagnetic radiation to distant locations

An apparatus for creating an electromagnetic interference field at a distance, comprising:

• a first transmitter configured to transmit a first electromagnetic beam at a first frequency and in a first direction;
• d
• a second transmitter configured to transmit a second electromagnetic beam at a second frequency and in a second direction, wherein the second frequency is offset from the first frequency to define an interference difference frequency, and the first and second transmitters are configured such that the first and second beams interfere at a far field distance corresponding to an intersection of the first and second directions;
• a beam combiner for combining the first and second electromagnetic beams;
• and
• a collimator for collimating the combined first and second electromagnetic beams in a third direction.

An apparatus for creating electromagnetic interference, comprising

• a frequency reference for providing a reference signal;
• first and second collimating transmitters, each transmitter comprising,
• a frequency generator, in communication with the frequency reference, and configured to generate a signal at a predetermined frequency based upon the frequency reference;
• a collimating antenna, in communication with the frequency generator, for transmitting and collimating an electromagnetic beam in a direction and at the predetermined frequency, wherein the first transmitter provides a first a collimated beam at a first predetermined frequency and in a first direction, the second transmitter provides a second collimated beam at a second predetermined frequency and in a second direction, and the second frequency is offset from the first frequency to define an interference difference frequency, and the first and second transmitters are configured such that the first and second collimated beams interfere at a far field distance corresponding to an intersection of the first and second directions;
• and
• a non-linear electronic element disposed in the intersection for inducing currents at the interference difference frequency.

An apparatus for creating electromagnetic interference, comprising

• a frequency reference for providing a reference signal;
• a first transmitter and a second transmitters, each transmitter for transmitting electromagnetic beams having frequencies separated by an interference difference frequency, each transmitter comprising:
• a wave form synthesizer, in communication with the frequency reference, and configured to generate a signal at a predetermined frequency based upon the frequency reference;
• and
• an antenna, in communication with the synthesizer, for transmitting an electromagnetic beam in a direction;
• a beam combiner for combining the electromagnetic beams;
• and
• a collimator for collimating the combined electromagnetic beams in a direction.

A method of creating an electromagnetic interference field at a distance, comprising:

• transmitting a first electromagnetic beam at a first frequency and in a first direction;
• transmitting a second electromagnetic beam at a second frequency and in a second direction, wherein the second frequency is offset from the first frequency to define an interference difference frequency, and the first and second electromagnetic beams interfere at a far field distance corresponding to an intersection of the first and second electromagnetic beams;
• and
• generating interference in a non-linear electronic element in the intersection.