Electromagnetic Attack Detector

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$70,000.00
Award Year:
2010
Program:
SBIR
Phase:
Phase I
Contract:
W9113M-10-P-0076
Award Id:
97853
Agency Tracking Number:
A101-030-0523
Solicitation Year:
n/a
Solicitation Topic Code:
Army 10-030
Solicitation Number:
n/a
Small Business Information
10306 Sausalito Dr, Austin, TX, 78759
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Alan Wang
Senior Research Scientist
(512) 996-8833
alan.wang@omegaoptics.com
Business Contact:
Ray Chen
Senior Research Scientist
(512) 825-4480
leli@kentoptronics.com
Research Institution:
n/a
Abstract
In this program, Omega Optics proposes to develop a large dynamic range electric field sensor capable of detecting high power electromagnetic pulse. The improvements of the proposed photonic field sensor come from a high speed, highly linear electro-optic (E-O) modulator (spurious free dynamic range (SFDR)>121dB/Hz) based on domain inverted Y-fed directional coupler using advanced E-O polymer materials developed by DARPA MORPH program. The linear modulator with inverted domains, which is developed through a DARPA SBIR program, has an opposite poling direction with respect to each other, and potentially eliminates the nonlinear response of the modulator due to the fact that the higher order spurious signals are cancelled out in each adjacent domain. The bandwidth of the linear modulator can be enhanced to 40GHz because of the velocity match between RF and optical waves. Furthermore, the symmetric waveguide structure of the Y-fed directional coupler will be intrinsically bias-free providing the linear modulator at 3-dB point regardless of the ambient temperature. The specially developed linear modulator, coupled with commercially available optoelectronic components which are evaluated for the proposed photonic field sensor, is expected to reduce the system power consumption by 50% and improve the dynamic range by 20dB when compared with the state-of-the-art commercial photonic sensing technologies using lithium niobate Mach-Zehnder modulator.

* information listed above is at the time of submission.

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