Status of Testing and Characterization of a Low-noise Small-Pixel Hybrid CMOS Detector

  • Lukas R. Stone
  • , Abraham D. Falcone
  • , Joseph M. Colosimo
  • , Mitchell Wages
  • , Timothy Emeigh
  • , Kadri M. Nizam
  • , Md Arman Hossen
  • , Laurel Oneill
  • , Ian T. Ashcroft
  • , William A. Bevidas
  • , Brynn Bortee
  • , Zachary E. Catlin
  • , Sierra Deppe
  • , Killian Gremling
  • , Dennis Hartmann
  • , Abigail A. Raytsis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The Pennsylvania State University High-Energy Astrophysics Detector and Instrumentation Lab, in collaboration with Teledyne Imaging Sensors (TIS), has developed a next-generation small-pixel soft X-ray hybrid CMOS detector (HCD). The Small-Pixel1024 is an HCD with a 1024×1024 grid of 12.5-micron pitch pixels, featuring a high-gain capacitive transimpedance amplifier and in-pixel correlated double sampling. The Small-Pixel1024 has full-frame readout speeds of up to 149 frames/s and readout rates in excess of 1 kHz in windowed mode. Two separate pixel designs were developed using different charge-injection schemes to restore pixel full-well post pixel reset, allowing for X-ray sensitivity up to 20 keV. Here, we report on the methods and recent results for the characterization of the Small-Pixel1024 dark current, read noise, gain variation, and energy resolution, including a comparison between the two pixel types. Finally, we report on the development efforts between Penn State and Teledyne on a new event-driven small-pixel HCD.

Original languageEnglish (US)
Title of host publicationUV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXIV
EditorsOswald H. Siegmund, Keri Hoadley
PublisherSPIE
ISBN (Electronic)9781510691582
DOIs
StatePublished - Sep 18 2025
Event24th UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy - San Diego, United States
Duration: Aug 5 2025Aug 7 2025

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume13625
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference24th UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy
Country/TerritoryUnited States
CitySan Diego
Period8/5/258/7/25

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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