A superconducting detector endstation for high-resolution energy-dispersive SR-XRF

被引:24
作者
Friedrich, S
Niedermayr, T
Drury, O
Cunningham, MF
van den Berg, ML
Ullom, JN
Loshak, A
Funk, T
Cramer, SP
Batteux, JD
See, E
Frank, M
Labov, SE
机构
[1] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA
[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
基金
美国国家卫生研究院; 美国国家航空航天局;
关键词
adiabatic demagnetization refrigerators; superconducting tunnel junctions; X-ray detectors;
D O I
10.1016/S0168-9002(01)00609-X
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We have built a two-stage adiabatic demagnetization refrigerator (ADR) to operate cryogenic high-resolution X-ray detectors in synchrotron-based fluorescence applications. The detector is held at the end of a 40 cm cold finger that extends into a UHV sample chamber. The ADR attains a base temperature below 100 mK with about 20 h hold time below 400 mK, and does not require pumping on the liquid He bath. We will discuss cryostat design and performance. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:1117 / 1120
页数:4
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