Patent ID: 6788718
Filing Date: 2004-09-07
Classification: G01S,H01Q,H01S

Abstract:
An ultrahigh frequency emitting device, having a plurality of laser emitter pairs, each of said laser emitter pairs having a first and a second laser emitter emitting electromagnetic waves in the optical domain, at a first and a second frequency &ohgr;1, &ohgr;2, respectively, &ohgr;1 and &ohgr;2 being different; a number of phase delay elements, each being placed in the path of said second laser emitter of one of said laser emitter pairs, and each said phase delay element adapted to impose a phase delay on the beam of said second laser emitter; means for slaving each said laser emitter pair in one of a frequency and phase manner, and a frequency, phase, and amplitude manner; a number of means for mixing each of the beams emitted by said first emitters with each of the beams emitted by said second emitters, and delayed by said phase delay elements thereby imposing a phase delay, and producing a number of signals at the ultrahigh frequency &ohgr;1-&ohgr;2 by heterodyning of said electromagnetic waves; means for converting optical signal to an RF signal; and a number of antenna-forming means for emitting radiation at the frequency &ohgr;1-&ohgr;2.