Electro-Optic Terminal Protection for Radar Systems

Award Information
Agency:
Department of Defense
Branch
Missile Defense Agency
Amount:
$149,977.00
Award Year:
2011
Program:
STTR
Phase:
Phase I
Contract:
HQ0147-11-C-7654
Award Id:
n/a
Agency Tracking Number:
B10B-001-0030
Solicitation Year:
2010
Solicitation Topic Code:
MDA10-T001
Solicitation Number:
2010.B
Small Business Information
13076 NW 120th St., Whitewater, KS, 67154-
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
131040979
Principal Investigator:
William Carey
President
(316) 799-2763
carey@arc-tech.us
Business Contact:
William Carey
President
(316) 799-2763
carey@arc-tech.us
Research Institution:
Univ of Missouri - Columbia
Mahmoud Almasri
Electrical and Computer Eng
233 Engineering Building West
Columbia, MO, 65211-
(573) 882-0813
Nonprofit college or university
Abstract
Recent advances in directed energy weapons (DEW) require radar systems to implement front door protection against high power signals. Although nonlinear protection elements have been successfully employed in the past, fast ultra wideband (UWB) and high power microwave (HPM) signals are not successfully blocked by most current circuit protection technologies. This proposal details the development of a quasi-passive, solid state electro-optic terminal protection system (EOTPS) to effectively block UWB and HPM signals from the front end of radar systems. The device uses power from the incoming transient to switch the signal line to ground. But because the system as a whole requires no external power other than the transient, it can be considered a passive device. Inherent delay in the system permits the switch to become fully conductive before the transient arrives, effectively creating a system with a negative switching time. This allows the entire transient to be reflected, in contrast to other high power terminal protection techniques which allow part of the transient to pass to the LNA.

* information listed above is at the time of submission.

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