An image filtering technique for SPIDER visible tomography

N. Fonnesu, M. Agostini, M. Brombin, R. Pasqualotto, G. Serianni

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Abstract

The tomographic diagnostic developed for the beam generated in the SPIDER facility (100 keV, 50 A prototype negative ion source of ITER neutral beam injector) will characterize the two-dimensional particle density distribution of the beam. The simulations described in the paper show that instrumental noise has a large influence on the maximum achievable resolution of the diagnostic. To reduce its impact on beam pattern reconstruction, a filtering technique has been adapted and implemented in the tomography code. This technique is applied to the simulated tomographic reconstruction of the SPIDER beam, and the main results are reported. © 2013 AIP Publishing LLC.
Original languageEnglish
Article number4850738
Pages (from-to)-
JournalReview of Scientific Instruments
Volume85
Issue number2
DOIs
Publication statusPublished - Feb 2014
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Instrumentation

Cite this

Fonnesu, N., Agostini, M., Brombin, M., Pasqualotto, R., & Serianni, G. (2014). An image filtering technique for SPIDER visible tomography. Review of Scientific Instruments, 85(2), -. [4850738]. https://doi.org/10.1063/1.4850738