Abstract
We present numerical simulations of full transition-edge sensor (TES) arrays utilizing graphical processing units (GPUs). With the support of GPUs, it is possible to perform simulations of large pixel arrays to assist detector development. Comparisons with TES small-signal and noise theory confirm the representativity of the simulated data. In order to demonstrate the capabilities of this approach, we present its implementation in xifusim, a simulator for the X-ray Integral Field Unit, a cryogenic X-ray spectrometer on board the future Athena X-ray observatory.
Highlights
Superconducting transition-edge sensors (TES) are cryogenic energy sensors with applications as single-photon detectors from the near infrared through gamma rays [1, 2]
We present simulation software for detectors based on arrays of TESs where we implement a generic mathematical model of the TES electrothermal system
We have presented a simulation software for detectors that are made up of TESbased pixel arrays
Summary
Superconducting transition-edge sensors (TES) are cryogenic energy sensors with applications as single-photon detectors from the near infrared through gamma rays [1, 2]. We present simulation software for detectors based on arrays of TESs where we implement a generic mathematical model of the TES electrothermal system. The software is part of xifusim, a simulator we are developing for the X-ray Integral Field Unit (X-IFU) instrument [3] on board the future Athena X-ray observatory [4] to be launched in the early 2030s. The X-IFU is a cryogenic X-ray spectrometer
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