Comparison of neutron and high-energy X-ray dual-beam radiography for air cargo inspection

Liu, Y.; Sowerby, B.D.; Tickner, James

doi:10.1016/j.apradiso.2007.10.005

Cited by 71 publications

(21 citation statements)

References 8 publications

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“…More advanced systems, involving also Compton scattering or positron and electron generation are suitable for the detection of materi− als characterized by a low atomic number (e.g., explosives). This kind of apparatus is used to investigate larger objects like passenger luggage or even trucks and containers [3][4][5]. The most advanced systems of computer tomography are still under development [6][7][8].…”

Section: Detection Of Explosive Devicesmentioning

confidence: 99%

Towards optoelectronic detection of explosives

Wojtas

Stacewicz

Bielecki

et al. 2013

Opto-Electronics Review

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Detection of explosives is an important challenge for contemporary science and technology of security systems. We present an application of NOx sensors equipped with concentrator in searching of explosives. The sensors using CRDS with blue — violet diode lasers (410 nm) as well as with QCL lasers (5.26 μm and 4.53 μm) are described. The detection method is based either on reaction of the sensors to the nitrogen oxides emitted by explosives or to NOx produced during thermal decomposition of explosive vapours. For TNT, PETN, RDX, and HMX the detection limit better than 1 ng has been achieved.

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Section: Detection Of Explosive Devicesmentioning

confidence: 99%

Towards optoelectronic detection of explosives

Wojtas

Stacewicz

Bielecki

et al. 2013

Opto-Electronics Review

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“…For the detection of explosives, also the high-energy X-ray imaging is applied. This kind of system is used to investigate large objects (containers) [8]. For the high-energy, e.g.…”

Section: Bulk Detection Systemsmentioning

confidence: 99%

Sensors and Systems for the Detection of Explosive Devices - An Overview

Bielecki¹,

Janucki²,

Kawalec³

et al. 2012

Metrology and Measurement Systems

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The paper presents analyses of current research projects connected with explosive material sensors. Sensors are described assigned to X and γ radiation, optical radiation sensors, as well as detectors applied in gas chromatography, electrochemical and chemical sensors. Furthermore, neutron techniques and magnetic resonance devices were analyzed. Special attention was drawn to optoelectronic sensors of explosive devices.

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“…In contrast to X-rays, thermal neutrons are particularly attenuated by certain light materials (H, Li, B, C,) whereas they penetrate easily through heavy elements (Pb, Bi, U, W) [6]. The technique is widely used in security applications, in automotive and aerospace applications, engineering studies and industry in order to determine structural defects, geology, medicine and biological research, [7][8][9][10][11][12][13][14][15][16][17]. In the high voltage cables there are simultaneously more than one light material (usually XLPE and PVC) which is practical impossible to distinct with the traditional X-ray systems [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Non destructive testing of medium and high voltage cables with a transportable radiography system

Fantidis¹,

Potolias²,

Bandekas³

et al. 2010

JESTR

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A power cable is the most important part in a power transmission system. The cables must be total quality dedicated and certified for development, manufacturing and installation, however are exposed to a corrosive environment. The purpose of this paper is to show that the fast neutron radiography with a transportable system is a solution to find defects in the cables and reduce the cost of inspection. The design, regarding the materials considered, was compatible with the European Union Directive on "Restriction of Hazardous Substances" (RoHS) 2002/95/EC, hence excluding the use of cadmium and lead.Wide width values for the collimator ratio were calculated. With suitable collimator design it was possibly to optimize the neutron radiography parameters. Finally the shielding design was examined closely. The proposed system has been simulated using the MCNPX code.

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Comparison of neutron and high-energy X-ray dual-beam radiography for air cargo inspection

Cited by 71 publications

References 8 publications

Towards optoelectronic detection of explosives

Towards optoelectronic detection of explosives

Sensors and Systems for the Detection of Explosive Devices - An Overview

Non destructive testing of medium and high voltage cables with a transportable radiography system

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