Position-sensitive microcalorimeters for large-field high-energy resolution astrophysics

Enectali Figueroa-Feliciano; Kevin Boyce; Jay Chervenak; Fred Finkbeiner; Rich Kelley; Mary Li; Mark Lindeman; Scott Porter; Caroline K. Stahle

doi:10.1117/12.461424

11 March 2003 Position-sensitive microcalorimeters for large-field high-energy resolution astrophysics

Enectali Figueroa-Feliciano, Kevin Boyce, Jay Chervenak, Fred Finkbeiner, Rich Kelley, Mary Li, Mark Lindeman, Scott Porter, Caroline K. Stahle

Author Affiliations +

Proceedings Volume 4851, X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy; (2003) https://doi.org/10.1117/12.461424
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

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.

Citation Download Citation

Enectali Figueroa-Feliciano, Kevin Boyce, Jay Chervenak, Fred Finkbeiner, Rich Kelley, Mary Li, Mark Lindeman, Scott Porter, and Caroline K. Stahle "Position-sensitive microcalorimeters for large-field high-energy resolution astrophysics", Proc. SPIE 4851, X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy, (11 March 2003); https://doi.org/10.1117/12.461424

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