Two-dimensional interferometric and synthetic aperture imaging with a hybrid terahertz/millimeter wave system.
We have developed an interferometric synthetic aperture incoherent imaging system at 94 GHz, in which a high-power electronic millimeter wave source (Gunn Oscillator) is integrated with a continuous-wave terahertz (THz) photomixing detection system to achieve a high signal-to-noise ratio. Imaging of a point source located 10?m away from the detector array is presented. Two-dimensional THz reflective images of an extended object with different shapes are reconstructed with only four detectors by use of rotational synthesis.
Su
Ke
K
Department of Physics, New Jersey Institute of Technology, Newark, New Jersey 07102, USA. ks265@njit.edu
Liu
Zhiwei
Z
Barat
Robert B
RB
Gary
Dale E
DE
Michalopoulou
Zoi-Heleni
ZH
Federici
John F
JF
D004867:Equipment Design; D019544:Equipment Failure Analysis; D007089:Image Enhancement / Q000295:instrumentation*; D007368:Interferometry / Q000295:instrumentation*; D008872:Microwaves; D018511:Systems Integration; D055053:Terahertz Radiation