A Multi-Channel Setup to Study Fractures in Scintillators

To investigate fractoluminescence in scintillating crystals used for particle detection, we have developed a multi-channel setup built around samples of double-cleavage drilled compression (DCDC) geometry in a controllable atmosphere. The setup allows the continuous digitization over hours of variou...

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Bibliographic Details
Published in:arXiv.org 2016-08
Main Authors: Tantot, A, Bouard, C, Briche, R, Lefèvre, G, Manier, B, Zaïm, N, Deschanel, S, Vanel, L, P C F Di Stefano
Format: Article
Language:English
Subjects:
Acoustic emission
BGO (crystal)
Compressive properties
Crack propagation
Digitization
Fractures
Infrared cameras
Scintillation counters
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Summary:To investigate fractoluminescence in scintillating crystals used for particle detection, we have developed a multi-channel setup built around samples of double-cleavage drilled compression (DCDC) geometry in a controllable atmosphere. The setup allows the continuous digitization over hours of various parameters, including the applied load, and the compressive strain of the sample, as well as the acoustic emission. Emitted visible light is recorded with nanosecond resolution, and crack propagation is monitored using infrared lighting and camera. An example of application to Bi4Ge3O12 (BGO) is provided.
ISSN:2331-8422
DOI:10.48550/arxiv.1608.02496