Paper
18 July 2016 Microcalorimeter pulse analysis by means of principle component decomposition
C. P. de Vries, R. M. Schouten, J. van der Kuur, L. Gottardi, H. Akamatsu
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Abstract
The X-ray integral field unit for the Athena mission consists of a microcalorimeter transition edge sensor pixel array. Incoming photons generate pulses which are analyzed in terms of energy, in order to assemble the X-ray spectrum. Usually this is done by means of optimal filtering in either time or frequency domain. In this paper we investigate an alternative method by means of principle component analysis. This method attempts to find the main components of an orthogonal set of functions to describe the data. We show, based on simulations, what the influence of various instrumental effects is on this type of analysis. We compare analyses both in time and frequency domain. Finally we apply these analyses on real data, obtained via frequency domain multiplexing readout.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
C. P. de Vries, R. M. Schouten, J. van der Kuur, L. Gottardi, and H. Akamatsu "Microcalorimeter pulse analysis by means of principle component decomposition", Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99055V (18 July 2016); https://doi.org/10.1117/12.2231627
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Cited by 1 scholarly publication.
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KEYWORDS
Principal component analysis

Photons

Multiplexing

X-rays

Optimal filtering

Sensors

Device simulation

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