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Improved Forward Looking Ground Penetrating Radar Array

Award Information
Agency: Department of Defense
Branch: Army
Contract: W909MY-12-C-0004
Agency Tracking Number: A2-4925
Amount: $549,898.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: A11-040
Solicitation Number: 2011.1
Solicitation Year: 2011
Award Year: 2012
Award Start Date (Proposal Award Date): 2012-05-24
Award End Date (Contract End Date): N/A
Small Business Information
PO Box 5365
Huntsville, AL -
United States
DUNS: 148689842
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Herbert Fluhler
 Principal Investigator
 (256) 651-5673
Business Contact
 Herbert Fluhler
Title: President
Phone: (256) 651-5673
Research Institution

A novel high performance Ultra-Wideband (UWB) Connected Array Antenna is proposed to meet the specific antenna requirements of a Forward Looking Ground Penetrating Radar (FLGPR) designed to find and classify mines and IEDs buried in roadways. The new array design exploits and integrates recent developments in Finite Difference Time Domain (FDTD) simulation and optimization applied to UWB Connected Array, AMC, and Rotman Lens feed network design. The new array incorporates innovations to enhance bandwidth, feed impedance matching, lower frequency response and customizable spectral beamwidth control. An optimized decade bandwidth slot element connected array architecture is used as the starting point for the design. The low frequency response is extended while keeping the array thin through use of new metamaterial UWB Artificial Magnetic Conductors. The beam width and shape are controlled with a network of specially designed Rotman Lenses networked to provide spectrally invariant beam width and beam shape. The net combination provides a superior high efficiency antenna that maximizes the FLGPR"s spectral, angle and range resolution for optimum SAR imaging capability.

* Information listed above is at the time of submission. *

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