Performance of a Broad-Band, High-Resolution, Transition-Edge Sensor Spectrometer for X-ray Astrophysics

被引:20
|
作者
Smith, Stephen J. [1 ]
Adams, Joseph S. [1 ]
Bandler, Simon R. [1 ]
Beaumont, Sophie [1 ]
Chervenak, James A. [1 ]
Denison, Edward, V [2 ]
Doriese, William B. [2 ]
Durkin, Malcolm [2 ]
Finkbeiner, Fred M. [1 ]
Fowler, Joseph W. [2 ]
Hilton, Gene C. [2 ]
Hummatov, Ruslan [1 ]
Irwin, Kent D. [3 ]
Kelley, Richard L. [1 ]
Kilbourne, Caroline A. [1 ]
Leutenegger, Maurice A. [1 ]
Miniussi, Antoine R. [1 ]
Porter, Frederick S. [1 ]
Reintsema, Carl D. [2 ]
Sadleir, John E. [1 ]
Sakai, Kazuhiro [1 ]
Swetz, Daniel S. [2 ]
Ullom, Joel N. [2 ]
Vale, Leila R. [2 ]
Wakeham, Nicholas A. [1 ]
Wassell, Edward J. [1 ]
Witthoeft, Michael C. [1 ]
机构
[1] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[2] NIST, Boulder, CO 80305 USA
[3] Stanford Univ, Stanford, CA 94305 USA
关键词
X-ray spectroscopy; imaging array; multiplexed readout; transition-edge sensor; Athena space telescope; MICROCALORIMETER; LINES;
D O I
10.1109/TASC.2021.3061918
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
Future X-ray astrophysics experiments require multiplexed readout of high fill-factor, kilo-pixel arrays of transition-edge sensors (TESs), with very high spectral resolution over a broad range of energies. In this paper we report on a prototype kilo-pixel array of Mo/Au TESs readout with 8-column by 32-row time-division multiplexing (TDM). This system is being used to demonstrate the critical detector and readout technology for ESA's Athena X-IFU, and when complete will be used in laboratory astrophysics experiments. Our array and TDM readout have demonstrated a combined full-width-at-half-maximum energy resolution, including > 200 pixels, of: 1.95 eV for Ti-K alpha (4.5 keV), 1.97 eV for Mn-K alpha (5.9 keV), 2.16 eV for Co-K alpha (6.9 keV), 2.33 eV for Cu-K alpha (8 keV), 3.26 eV for Br-K alpha (11.9 keV). The 1 sigma statistical errors are <= 0.01 eV for all spectra. These results meet the broad-band resolution requirements for X-IFU with margin.
引用
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页数:6
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