A W-band passive imaging system implemented with rotating diffraction antenna technology

Sergiy Shylo; Yuriy Sydorenko; Dana Wheeler; Douglas Dundonald

doi:10.1117/12.2028838

18 October 2013 A W-band passive imaging system implemented with rotating diffraction antenna technology

Sergiy Shylo, Yuriy Sydorenko, Dana Wheeler, Douglas Dundonald

Proceedings Volume 8900, Millimetre Wave and Terahertz Sensors and Technology VI; 890008 (2013) https://doi.org/10.1117/12.2028838
Event: SPIE Security + Defence, 2013, Dresden, Germany

Abstract

The operational concept and results of tests are presented for a prototype W-band passive imaging system based on a planar diffraction antenna. A multi-beam (64 beams) rotating antenna pattern is formed due to the dispersive properties of the antenna and by rotating the antenna around the viewing axis by means of a low power electromechanical drive. The operational frequency bandwidth of 16 GHz is split into 64 sub-bands, one for each ‘beam’. Image formation at short distances, ~ several meters, is possible with the addition of a static lens in front of the rotating antenna unit; far field imaging is also possible without an additional lens. Technical parameters and imaging results from the prototype unit are discussed.

Citation Download Citation

Sergiy Shylo, Yuriy Sydorenko, Dana Wheeler, and Douglas Dundonald "A W-band passive imaging system implemented with rotating diffraction antenna technology", Proc. SPIE 8900, Millimetre Wave and Terahertz Sensors and Technology VI, 890008 (18 October 2013); https://doi.org/10.1117/12.2028838

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