activity
20132025
most citedThe Hot and Energetic Universe: The X-ray Integral Field Unit (X-IFU) for Athena+

43 citations · 470 across the 41 of their papers we have counts for

collaborators
Showing 2021Show all

13 papers · 1 filter

astro-ph.IM2021★ 6 cited

Thermal crosstalk of X-ray transition-edge sensor micro-calorimeters under frequency domain multiplexing readout

Davide Vaccaro, Hiroki Akamatsu, Marcel P. Bruijn +12

We have measured and characterized the thermal crosstalk in two different arrays of transition-edge sensor (TES) X-ray micro-calorimeters with frequency-domain multiplexing (FDM) r…

physics.ins-det2021★ 1 cited

Demonstration of MHz frequency domain multiplexing readout of 37 transition edge sensors for high-resolution x-ray imaging spectrometers

H. Akamatsu, D. Vaccaro, L. Gottardi +22

We report on the development and demonstration of a MHz frequency domain multiplexing (FDM) technology to read out arrays of cryogenic transition edge sensor (TES) X-ray microcalor…

astro-ph.IM2021★ 9 cited

Impact of the absorber coupling design for Transition Edge Sensor X-ray Calorimeters

M. de Wit, L. Gottardi, E. Taralli +10

Transition Edge Sensors (TESs) are the selected technology for future spaceborne X-ray observatories, such as Athena, Lynx, and HUBS. These missions demand thousands of pixels to b…

astro-ph.IM2021★ 29 cited

High Aspect Ratio Transition Edge Sensors for X-ray Spectrometry

M. de Wit, L. Gottardi, E. Taralli +11

We are developing large TES arrays in combination with FDM readout for the next generation of X-ray space observatories. For operation under AC-bias, the TESs have to be carefully…

astro-ph.IM2021★ 4 cited

A test platform for the detection and readout chain for the Athena X-IFU

Gabriele Betancourt-Martinez, François Pajot, Sophie Beaumont +26

We present a test platform for the Athena X-IFU detection chain, which will serve as the first demonstration of the representative end-to-end detection and readout chain for the X-…

astro-ph.IM2021★ 6 cited

TiAu TES 3232 pixel array: uniformity, thermal crosstalk and performance at different X-ray energies

E. Taralli, M. D'Andrea, L. Gottardi +10

Large format arrays of transition edge sensor (TES) are crucial for the next generation of X-ray space observatories. Such arrays are required to achieve an energy resolution of $\…

physics.ins-det2021★ 7 cited

AC/DC characterization of a Ti/Au TES with Au/Bi absorber for X-ray detection

E. Taralli, C. Pobes, P. Khosropanah +7

Transition-edge sensors (TESs) are used as very sensitive thermometers in microcalorimeters aimed at detection of different wavelengths. In particular, for soft X-ray astrophysics,…

physics.ins-det2021★ 15 cited

Characterization of high aspect ratio TiAu TES X-ray microcalorimeters array using the X-IFU Frequency Domain Multiplexing readout

E. Taralli, L. Gottardi, K. Nagayoshi +7

We are developing X-ray microcalorimeters as a backup option for the baseline detectors in the X-IFU instrument on board the ATHENA space mission led by ESA and to be launched in t…

physics.ins-det2021★ 22 cited

Complex impedance of TESs under AC bias using FDM readout system

E. Taralli, P. Khosropanah, L. Gottardi +4

The next generation of Far-infrared and X-ray space observatories will require detector arrays with thousands of transition edge sensor (TES) pixel. It is extremely important to ha…

astro-ph.IM2021★ 14 cited

Performance and uniformity of a kilo-pixel array of Ti/Au transition-edge sensor microcalorimeters

E. Taralli, M. D'Andrea, L. Gottardi +7

Uniform large transition-edge sensor (TES) arrays are fundamental for the next generation of X-ray space observatories. These arrays are required to achieve an energy resolution $Δ…

astro-ph.IM2021★ 3 cited

Single pixel performance of a 3232 Ti/Au TES array with broadband X-ray spectra

Matteo D'Andrea, Emanuele Taralli, Hiroki Akamatsu +10

We are developing a kilo-pixels Ti/Au TES array as a backup option for Athena X-IFU. Here we report on single-pixel performance of a 3232 array operated in a Frequency Divi…

astro-ph.IM2021★ 8 cited

Frequency Shift Algorithm: Application to a Frequency-Domain Multiplexing Readout of X-ray Transition-Edge Sensor Microcalorimeters

D. Vaccaro, H. Akamatsu, J. van der Kuur +17

In the frequency-domain multiplexing (FDM) scheme, transition-edge sensors (TES) are individually coupled to superconducting LC filters and AC biased at MHz frequencies through a c…

astro-ph.IM2021★ 31 cited

HUBS: A dedicated hot circumgalactic medium explorer

Wei Cui

The Hot Universe Baryon Surveyor (HUBS) mission is proposed to study "missing" baryons in the universe. Unlike dark matter, baryonic matter is made of elements in the periodic tabl…