THE ADIABATIC DEMAGNETIZATION REFRIGERATOR FOR THE MICRO-X SOUNDING ROCKET TELESCOPE

Journal Article · Fri Apr 09 00:00:00 EDT 2010 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3422413· OSTI ID:21371805

Wikus, P; Bagdasarova, Y; Figueroa-Feliciano, E; Leman, S W; Rutherford, J M; Trowbridge, S N ^[1]; Adams, J S; Bandler, S R; Eckart, M E; Kelley, R L; Kilbourne, C A; Porter, F S ^[2]; Doriese, W B ^[3]; McCammon, D ^[4]

---

1. Massachusetts Institute of Technology, Cambridge, MA 02139 (United States)
2. NASA Goddard Space Flight Center, Greenbelt, MD 20771 (United States)
3. National Institute of Standards and Technology, Boulder, CO 80305 (United States)
4. University of Wisconsin, Madison, WI 53706 (United States)

The Micro-X Imaging X-ray Spectrometer is a sounding rocket payload slated for launch in 2011. An array of Transition Edge Sensors, which is operated at a bath temperature of 50 mK, will be used to obtain a high resolution spectrum of the Puppis-A supernova remnant. An Adiabatic Demagnetization Refrigerator (ADR) with a 75 gram Ferric Ammonium Alum (FAA) salt pill in the bore of a 4 T superconducting magnet provides a stable heat sink for the detector array only a few seconds after burnout of the rocket motors. This requires a cold stage design with very short thermal time constants. A suspension made from Kevlar strings holds the 255 gram cold stage in place. It is capable of withstanding loads in excess of 200 g. Stable operation of the TES array in proximity to the ADR magnet is ensured by a three-stage magnetic shielding system which consists of a superconducting can, a high-permeability shield and a bucking coil. The development and testing of the Micro-X payload is well underway.

• OSTI ID: 21371805
• Journal Information: AIP Conference Proceedings, Vol. 1218, Issue 1; Conference: International cryogenic materials conference (ICMC) on advances in cryogenic engineering materials, Tucson, AZ (United States), 28 Jun - 2 Jul 2009; Other Information: DOI: 10.1063/1.3422413; (c) 2010 American Institute of Physics; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
79 ASTROPHYSICS
COSMOLOGY AND ASTRONOMY
ADIABATIC DEMAGNETIZATION
DESIGN
HEAT SINKS
MAGNETIC SHIELDING
REFRIGERATORS
RESOLUTION
ROCKETS
SALTS
SEMICONDUCTOR DETECTORS
SENSORS
SUPERCONDUCTING MAGNETS
SUPERNOVA REMNANTS
TEMPERATURE RANGE 0000-0013 K
TESTING
X-RAY DETECTION
X-RAY SPECTROMETERS
COSMIC RADIO SOURCES
DEMAGNETIZATION
DETECTION
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
EQUIPMENT
MAGNETS
MEASURING INSTRUMENTS
RADIATION DETECTION
RADIATION DETECTORS
SHIELDING
SINKS
SPECTROMETERS
SUPERCONDUCTING DEVICES
TEMPERATURE RANGE