Differential thermal analysis microsystem for explosive detection

Jesper K. Olsen; Anders Greve; L. Senesac; T. Thundat; A. Boisen

doi:10.1117/12.883960

13 May 2011 Differential thermal analysis microsystem for explosive detection

Jesper K. Olsen, Anders Greve, L. Senesac, T. Thundat, A. Boisen

Proceedings Volume 8031, Micro- and Nanotechnology Sensors, Systems, and Applications III; 80312P (2011) https://doi.org/10.1117/12.883960
Event: SPIE Defense, Security, and Sensing, 2011, Orlando, Florida, United States

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.

Citation Download Citation

Jesper K. Olsen, Anders Greve, L. Senesac, T. Thundat, and A. Boisen "Differential thermal analysis microsystem for explosive detection", Proc. SPIE 8031, Micro- and Nanotechnology Sensors, Systems, and Applications III, 80312P (13 May 2011); https://doi.org/10.1117/12.883960

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