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Imaging X-ray spectroscopy with superconducting phase transition thermometers

Abstract:
The development of an imaging cryogenic X-ray spectrometer based upon X-ray absorption in sapphire and readout by two tungsten superconducting phase transition thermometers (SPT) is reported. The resistance changes of the SPTs are measured by a superconducting quantum interference device (SQUID) readout system and eventually result in electrical signals which are proportional to the energies carried into the SPTs through phonons. 1D imaging over an absorber length of 10 mm with a position resolution of ≈20 μm was achieved.

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Particle Physics
Role:
Author
Publisher:
Elsevier Science B.V.
Journal:
Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume:
444
Issue:
1
Pages:
208-210
Publication date:
2000-04-07
DOI:
ISSN:
0168-9002
URN:
uuid:eb960d11-745c-4238-9b4c-1d62a28b94ce
Source identifiers:
344067
Local pid:
pubs:344067
Language:
English

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