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Proceedings Paper

Position-sensitive microcalorimeters for large-field high-energy resolution astrophysics
Author(s): Enectali Figueroa-Feliciano; Kevin Boyce; Jay Chervenak; Fred Finkbeiner; Rich Kelley; Mary Li; Mark Lindeman; Scott Porter; Caroline K. Stahle
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Paper Abstract

We are developing a distributed-readout imaging spectrometer named Position-Sensitive Transition-Edge Sensor (PoST). A PoST is a microcalorimeter capagble of 1D imaging spectroscopy. It consists of two Transition-Edge Sensors (TESs) at each end of a long x-ray absorber. The position of an x-ray absorption event in the PoST is determined from the rise time and relative signal sizes in the two sensors. The energy of the absorbed photon is inferred from the sum of the two pulses. We discuss the modeling, operation, and readout of PoSTs and their application to the Constellation-X mission.

Paper Details

Date Published: 11 March 2003
PDF: 9 pages
Proc. SPIE 4851, X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy, (11 March 2003); doi: 10.1117/12.461424
Show Author Affiliations
Enectali Figueroa-Feliciano, NASA Goddard Space Flight Ctr. (United States)
Kevin Boyce, NASA Goddard Space Flight Ctr. (United States)
Jay Chervenak, NASA Goddard Space Flight Ctr. (United States)
Fred Finkbeiner, Science Systems & Applications, Inc. (United States)
Rich Kelley, NASA Goddard Space Flight Ctr. (United States)
Mary Li, NASA Goddard Space Flight Ctr. (United States)
Mark Lindeman, Univ. of Maryland/College Park (United States)
Scott Porter, NASA Goddard Space Flight Ctr. (United States)
Caroline K. Stahle, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 4851:
X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy
Joachim E. Truemper; Harvey D. Tananbaum, Editor(s)

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