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Proceedings Paper

Inspecting the inside of the objects lying on the seafloor
Author(s): Vladivoj Valkovic; Robert Kollar; Davorin Sudac; Karlo Nad; Jasmina Obhodas
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Paper Abstract

In order to demonstrate the possibility of identifying the material within the objects on the sea floor we have performed tests with the 14 MeV sealed tube neutron generator incorporated inside a small submarine, SURVEYOR, submerged in the test basin filled with sea water. The materials inside the investigated objects were identified by measuring the gamma ray spectra and by using the window on the measured alpha- gamma time spectrum. In addition, we describe our field test facility and measurements done at this location in the framework of the EU FP7 project UNCOSS. The existence of a data base of potentially explosive devices on the floor of coastal sea, especially ports and waterways, is of paramount importance. However, the sea floor is littered by number of different objects and the water is not very transparent on such locations. This makes the identification of objects extremely difficult even on known locations. We discuss how to position the SURVEYOR when the object investigated for the presence of explosive has been identified by other sensors (camera, sonar, magnetometer, etc.).

Paper Details

Date Published: 29 April 2010
PDF: 11 pages
Proc. SPIE 7664, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XV, 76640U (29 April 2010); doi: 10.1117/12.849507
Show Author Affiliations
Vladivoj Valkovic, A.C.T.d.o.o. (Croatia)
Robert Kollar, A.C.T.d.o.o. (Croatia)
Davorin Sudac, Institut Ruder Boškovic (Croatia)
Karlo Nad, Institut Ruder Boškovic (Croatia)
Jasmina Obhodas, Institut Ruder Boškovic (Croatia)

Published in SPIE Proceedings Vol. 7664:
Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XV
Russell S. Harmon; John H. Holloway Jr.; J. Thomas Broach, Editor(s)

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