Refinement of Transition-Edge Sensor Dimensions for the X-Ray Integral Field Unit on ATHENA

被引：10

作者：

Wakeham, N. A. ^{[1
,2
]}

Adams, J. S. ^{[1
,2
]}

Bandler, S. R. ^{[2
]}

Beaumont, S. ^{[1
,2
]}

Chervenak, J. A. ^{[2
]}

Cumbee, R. S. ^{[3
]}

Finkbeiner, F. M. ^{[4
]}

Ha, J. Y. ^{[5
]}

Hull, S. ^{[2
]}

Kelley, R. L. ^{[2
]}

Kilbourne, C. A. ^{[2
]}

Porter, F. S. ^{[2
]}

Sakai, K. ^{[1
,2
]}

Smith, S. J. ^{[2
]}

Wassell, E. J. ^{[2
]}

Yoon, S. ^{[6
]}

机构：

[1] Univ Maryland, Ctr Space Sci & Technol, Baltimore 21250, MD USA

[2] NASA Goddard Space Flight Ctr GSFC, Greenbelt, MD 20771 USA

[3] Univ Maryland, College Pk, MD 20742 USA

[4] Sigma Space Corp Hexagon US Fed, Lanham, MD 20706 USA

[5] SB Microsyst, Glen Burnie, MD 21061 USA

[6] Sci Syst & Applicat Inc SSAI, Lanham, MD 20706 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2023年 / 33卷 / 05期

关键词：

NASA; Thermal conductivity; Temperature measurement; Sensitivity; Energy resolution; Voltage measurement; Superconducting magnets; Superconducting devices; superconducting photodetectors; transition-edge sensor; X-ray microcalorimeter; MICROCALORIMETER;

D O I：

10.1109/TASC.2023.3253067

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

At NASA Goddard Space Flight Center, we have previously demonstrated a kilo-pixel array of transition-edge sensor (TES) microcalorimeters capable of meeting the energy resolution requirements of the future X-ray Integral Field Unit (X-IFU) instrument that is being developed for the Advanced Telescope for High ENergy Astrophysics (ATHENA) observatory satellite. The TES design in this array was a square device with side length of 50 mu m. Here, we describe studies of TES designs with small variations of the dimensions, exploring lengths, parallel to the current direction, ranging from 75 mu m to 50 mu m and widths, perpendicular to the current direction, ranging from 50 mu m to 15 mu m. We describe how these changes impact transition properties, thermal conductance and magnetic field sensitivity. In particular, we show that using a TES with a length of 50 mu m and width of 30 mu m may be a promising route to reduce the maximum time-derivative of the TES current in an X-ray pulse and reduce the sensitivity of the TES to magnetic field.

引用

页数：6

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