Paper
31 August 2022 AstroPix: novel monolithic active pixel silicon sensors for future gamma-ray telescopes
Author Affiliations +
Abstract
Space-based γ-ray telescopes such as the Fermi Large Area Telescope have used single sided silicon strip detectors to track secondary charged particles produced by primary γ-rays with high resolution. At the lower energies targeted by keV-MeV telescopes, two dimensional position information within a single detector is required for event reconstruction—especially in the Compton regime. This work describes the development of monolithic CMOS active pixel silicon sensors—AstroPix—as a novel technology for use in future γ-ray telescopes. Based upon sensors (ATLASPix) designed for use in the ATLAS detector at the Large Hadron Collider, AstroPix has the potential to maintain high performance while reducing noise with low power consumption. This is achieved with the dual detection and readout capabilities in each CMOS pixel. The status of AstroPix development and testing, as well as outlook for future testing and application, will be presented.
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Amanda L. Steinhebel, Henrike Fleischhack, Nicolas Striebig, Manoj Jadhav, Yusuke Suda, Ricardo Luz, Carolyn Kierans, Regina Caputo, Hiroyasu Tajima, Richard Leys, Ivan Peric, Jessica Metcalfe, and Jeremy S. Perkins "AstroPix: novel monolithic active pixel silicon sensors for future gamma-ray telescopes", Proc. SPIE 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, 121816Y (31 August 2022); https://doi.org/10.1117/12.2630405
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KEYWORDS
Calibration

Analog electronics

Sensors

Telescopes

Silicon

Image resolution

Semiconducting wafers

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