Standoff Sensing for Low Volatility Chemicals Using Terahertz Radiation-Enhanced-Emission-of-Fluorescence

Award Information
Agency: Department of Defense
Branch: Defense Threat Reduction Agency
Contract: HDTRA1-10-P-0012
Agency Tracking Number: T092-005-0176
Amount: $100,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2010
Solicitation Year: 2009
Solicitation Topic Code: DTRA092-005
Solicitation Number: 2009.2
Small Business Information
1223 Peoples Ave, Troy, NY, 12180
DUNS: 555614226
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Thomas Tongue
 CEO
 (518) 833-0577
 ttongue@zomega-terahertz.com
Business Contact
 Thomas Tongue
Title: CEO
Phone: (518) 833-0577
Email: ttongue@zomega-terahertz.com
Research Institution
N/A
Abstract
We propose a new active optical method to measure time-domain waveform of THz pulse in the vicinity of the target in an omni-directional manner. This method utilizes the THz radiation-enhanced-emission-of-fluorescence from laser-induced air plasma to detect the THz field, which enables the standoff sensing for low volatility chemicals using THz spectroscopy. We have demonstrated its capability of broadband high resolution spectroscopic recognition by detecting the explosive molecules and some other molecules. The handheld sensing device using this method is featured with several advantages such as: high safety, point detection capability, broadband sensing range, real-time monitoring, unlimited collection angel and remote sensing ability.

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