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Proceedings Paper

Translucent triboluminescent coatings for particle detection
Author(s): M. E. Jansen; L. R. Gauthier; D. R. Bisson; J. R. Meyer
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Paper Abstract

Triboluminescent phosphors provide a method for converting kinetic signals to optical signals for particle detection. Several methods, including vapor deposition, electron beam, and spray-on were evaluated for depositing a thin translucent coating of ZnS:Mn phosphor material onto transparent substrates. The objective was to be able to optically detect impact events on the back side of the substrate while still retaining some capacity to view distant optical events. During the experiments, optical detectors within a light-tight test chamber were used to measure the optical signals generated by the coatings. The measurements resulted from optical signals that were generated by particle impacts and sample phosphorescence, along with electrical interferences between the particle sources, the ambient background, and the detectors. Signal levels and translucency measurements from various coatings are described, along with lessons learned about the coating processes, the detectors, and the limitations of the measurements.

Paper Details

Date Published: 31 May 2013
PDF: 9 pages
Proc. SPIE 8720, Photonic Applications for Aerospace, Commercial, and Harsh Environments IV, 872003 (31 May 2013); doi: 10.1117/12.2015896
Show Author Affiliations
M. E. Jansen, Johns Hopkins Univ. Applied Physics Lab. (United States)
L. R. Gauthier, Johns Hopkins Univ. Applied Physics Lab. (United States)
D. R. Bisson, Johns Hopkins Univ. Applied Physics Lab. (United States)
J. R. Meyer, Johns Hopkins Univ. Applied Physics Lab. (United States)


Published in SPIE Proceedings Vol. 8720:
Photonic Applications for Aerospace, Commercial, and Harsh Environments IV
Alex A. Kazemi; Bernard C. Kress; Simon Thibault, Editor(s)

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