Close-packed arrays of transition-edge x-ray microcalorimeters with high spectral resolution at 5.9 keV

被引：42

作者：

Iyomoto, N. ^{[1
,2
]}

Bandler, S. R. ^{[1
,3
]}

Brekosky, R. P. ^{[1
,4
]}

Brown, A. -D. ^{[1
]}

Chervenak, J. A. ^{[1
]}

Finkbeiner, F. M. ^{[1
,5
]}

Kelley, R. L. ^{[1
]}

Kilbourne, C. A. ^{[1
]}

Porter, F. S. ^{[1
]}

Sadleir, J. E. ^{[1
]}

Smith, S. J. ^{[1
]}

Figueroa-Feliciano, E. ^{[6
]}

机构：

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

[2] Johns Hopkins Univ, Baltimore, MD 21218 USA

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

[4] Northrop Grumman Corp, Lanham, MD 20706 USA

[5] RS Informat Syst Inc, Mclean, VA 22102 USA

[6] MIT, Dept Phys, Cambridge, MA 02139 USA

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 01期

基金：

美国国家航空航天局;

关键词：

D O I：

10.1063/1.2830665

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present measurements of high fill-factor arrays of superconducting transition-edge x-ray microcalorimeters designed to provide rapid thermalization of the x-ray energy. We designed an x-ray absorber that is cantilevered over the sensitive part of the thermometer itself, making contact only at normal-metal features. With absorbers made of electroplated gold, we have demonstrated an energy resolution between 2.4 and 3.1 eV at 5.9 keV on 13 separate pixels. We have determined the thermal and electrical parameters of the devices throughout the superconducting transition and, using these parameters, have modeled all aspects of the detector performance. (c) 2008 American Institute of Physics.

引用

页数：3

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