A new detector system for low energy X-ray fluorescence coupled with soft X-ray microscopy: First tests and characterization

The last decades have witnessed substantial efforts in the development of several detector technologies for X-ray fluorescence (XRF) applications. In spite of the increasing trend towards performing, cost-effective and reliable XRF systems, detectors for soft X-ray spectroscopy still remain a challe...

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Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2016-04, Vol.816, p.113-118
Main Authors: Gianoncelli, Alessandra, Bufon, Jernej, Ahangarianabhari, Mahdi, Altissimo, Matteo, Bellutti, Pierluigi, Bertuccio, Giuseppe, Borghes, Roberto, Carrato, Sergio, Cautero, Giuseppe, Fabiani, Sergio, Giacomini, Gabriele, Giuressi, Dario, Kourousias, George, Menk, Ralf Hendrik, Picciotto, Antonino, Piemonte, Claudio, Rachevski, Alexandre, Rashevskaya, Irina, Stolfa, Andrea, Vacchi, Andrea, Zampa, Gianluigi, Zampa, Nicola, Zorzi, Nicola
Format: Article
Language:English
Subjects:
Detectors
Drift
Front-end electronics for detector readout
Joining
Low energy
Low energy XRF (LEXRF)
Low leakage current SDDs
Multi-element detectors and associated VLSI electronics
Silicon
Soft X-rays
Spectrometers
X-ray fluorescence
X-ray fluorescence (XRF) systems
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Summary:The last decades have witnessed substantial efforts in the development of several detector technologies for X-ray fluorescence (XRF) applications. In spite of the increasing trend towards performing, cost-effective and reliable XRF systems, detectors for soft X-ray spectroscopy still remain a challenge, requiring further study, engineering and customization in order to yield effective and efficient systems. In this paper we report on the development, first characterization and tests of a novel multielement detector system based on low leakage current silicon drift detectors (SDD) coupled to ultra low noise custom CMOS preamplifiers for synchrotron-based low energy XRF. This new system exhibits the potential for improving the count rate by at least an order of magnitude resulting in ten-fold shorter dwell time at an energy resolution similar to that of single element silicon drift detectors.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2016.01.076