Low Cost Distributed Explosive Detection Device

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: W31P4Q-07-C-0110
Agency Tracking Number: 06SB2-0396
Amount: $98,620.00
Phase: Phase I
Program: SBIR
Awards Year: 2006
Solicitation Year: 2006
Solicitation Topic Code: SB062-022
Solicitation Number: 2006.2
Small Business Information
604 West Evergreen, Vancouver, WA, 98660
DUNS: 191088892
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Joseph Birmingham
 Chief Technical Officer
 (360) 694-3704
Business Contact
 Robert Moore
Title: Vice President
Phone: (360) 694-3704
Email: Robert.Moore@microsti.com
Research Institution
Automated vapor sampling detectors could potentially provide a detection capability for high vapor pressure explosives such as nitroglycerine (NG). However, for materials such as HMX and RDX, the equilibrium vapor pressures are at least four orders of magnitude lower than conventional trinitro-toluene (TNT) explosives, making detection based on sampling of airborne vapor difficult for all of the explosives without concentration. MicroStructure Technologies (MicroST) has undertaken a mission to develop small, compact, microstructured array detectors for explosive vapors (both nitrogen and peroxide-based materials). The upstream micropillars on the microstructured array have a high surface area and the vapors are adsorbed. The laser energy is coupled by fiber optic into the microarray to desorb a concentrated pulse of concentrated explosive vapor. A Microstructured Array Sampler (MAS) with an inorganic polymer coating as a sensing element to detect the concentrated vapors. The use of the inorganic polymers for explosive detection on an air-sampling microarray for confirmation is innovative. The key innovation of the proposed approach is to use a chip-based laser to selectively desorb a concentrated energetic sample onto sensing polymers coated onto a microarray. Lastly, the alarm signal from the microarray is sent wirelessly to reveal the type of explosive detected.

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

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