The XRS system - the first cryogenic X-ray detector in orbit

Details The XRS system - the first cryogenic X-ray detector in orbit The XRS system - the first cryogenic X-ray detector in orbit

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999nimpa.436..212m&link_type=abstract

Nuclear Instruments and Methods in Physics Research Section A, Volume 436, Issue 1-2, p. 212-217.

Physics

6

Scientific paper

The X-ray Spectrometer, XRS on board the ASTRO-E satellite is a cryogenic X-ray detector system utilizing a micro calorimeter array of 32 pixels operating at 60mK. An energy resolution of about 12eV (FWHM) has been obtained across the array in the ground calibration measurements. We adopted a unique three-stage cryogenic system consisting of solid neon, liquid helium, and an adiabatic de-magnetization refrigerator to obtain a long cryogenic lifetime in orbit. The design of the neon tank was optimized to obtain about 2 yr of the neon lifetime, which determines the lifetime of the whole cryogenic system.

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