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Proceedings Paper

Differential thermal analysis microsystem for explosive detection
Author(s): Jesper K. Olsen; Anders Greve; L. Senesac; T. Thundat; A. Boisen
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Paper Abstract

A micro differential thermal analysis (DTA) system is used for detection of trace explosive particles. The DTA system consists of two silicon micro chips with integrated heaters and temperature sensors. One chip is used for reference and one for the measurement sample. The sensor is constructed as a small silicon nitride membrane incorporating heater elements and a temperature measurement resistor. In this manuscript the DTA system is described and tested by measuring calorimetric response of 3 different kinds of explosives (TNT, RDX and PETN). This project is carried out under the framework of the Xsense project at the Technical University of Denmark (DTU) which combines four independent sensing techniques, these micro DNT sensors will be included in handheld explosives detectors with applications in homeland security and landmine clearance.

Paper Details

Date Published: 13 May 2011
PDF: 6 pages
Proc. SPIE 8031, Micro- and Nanotechnology Sensors, Systems, and Applications III, 80312P (13 May 2011); doi: 10.1117/12.883960
Show Author Affiliations
Jesper K. Olsen, Technical Univ. of Denmark (Denmark)
Anders Greve, Technical Univ. of Denmark (Denmark)
L. Senesac, Oak Ridge National Lab. (United States)
T. Thundat, Univ. of Alberta (Canada)
A. Boisen, Technical Univ. of Denmark (Denmark)

Published in SPIE Proceedings Vol. 8031:
Micro- and Nanotechnology Sensors, Systems, and Applications III
Thomas George; M. Saif Islam; Achyut K. Dutta, Editor(s)

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