Small pixel hybrid CMOS x-ray detectors

Samuel V. Hull, Abraham David Falcone, David Nelson Burrows, Mitchell Wages, Maria McQuaide

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

4 Citations (Scopus)

Abstract

Next generation X-ray mission concepts (e.g. Lynx) call for a wide field X-ray imager with high detection efficiency from 0.2 keV to 10 keV and fast readout capability (< 10 Hz frame rate). In order to properly sample the planned fine angular resolution of the optical assembly (0:5″ HPD), small pixel sizes of less than or equal to 16 microns are required. Hybrid CMOS detectors are a type of active pixel sensor that is well suited to the high throughput and wide bandpass requirements of such instruments, and the pixel size goals are well within reach. In collaboration with Teledyne Imaging Sensors, the Penn State X-ray detector lab has developed new small pixel Hybrid CMOS sensors to meet these needs. These prototype 128 x 128 pixel devices have 12.5 micron pixel pitch, 200 micron fully depleted depth, and include crosstalk-eliminating CTIA amplifiers and in-pixel correlated double sampling capability. We report on characteristics of one of these new detectors, including read noise, energy resolution, and pixel-to-pixel gain variation. The read noise was measured to be as low as 5.54 e-± 0.05 e-, while the gain variation was found to be 1.12% ± 0.06%. The energy resolution, including calibration for gain variation, was measured to be as good as 148 eV (2.5%) at 5.9 keV.

Original languageEnglish (US)
Title of host publicationHigh Energy, Optical, and Infrared Detectors for Astronomy VIII
EditorsAndrew D. Holland, James Beletic
PublisherSPIE
ISBN (Print)9781510619715
DOIs
StatePublished - Jan 1 2018
EventHigh Energy, Optical, and Infrared Detectors for Astronomy VIII 2018 - Austin, United States
Duration: Jun 10 2018Jun 13 2018

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10709
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

OtherHigh Energy, Optical, and Infrared Detectors for Astronomy VIII 2018
CountryUnited States
CityAustin
Period6/10/186/13/18

Fingerprint

X-ray Detectors
x ray detectors
CMOS
Pixel
Pixels
pixels
Detectors
X rays
sensors
detectors
Sensors
Detector
Active pixel Sensor
Double Sampling
Sensor
Wide-field
Crosstalk
x rays
Less than or equal to
Imager

All Science Journal Classification (ASJC) codes

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

Cite this

Hull, S. V., Falcone, A. D., Burrows, D. N., Wages, M., & McQuaide, M. (2018). Small pixel hybrid CMOS x-ray detectors. In A. D. Holland, & J. Beletic (Eds.), High Energy, Optical, and Infrared Detectors for Astronomy VIII [107090E] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10709). SPIE. https://doi.org/10.1117/12.2312121
Hull, Samuel V. ; Falcone, Abraham David ; Burrows, David Nelson ; Wages, Mitchell ; McQuaide, Maria. / Small pixel hybrid CMOS x-ray detectors. High Energy, Optical, and Infrared Detectors for Astronomy VIII. editor / Andrew D. Holland ; James Beletic. SPIE, 2018. (Proceedings of SPIE - The International Society for Optical Engineering).
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abstract = "Next generation X-ray mission concepts (e.g. Lynx) call for a wide field X-ray imager with high detection efficiency from 0.2 keV to 10 keV and fast readout capability (< 10 Hz frame rate). In order to properly sample the planned fine angular resolution of the optical assembly (0:5″ HPD), small pixel sizes of less than or equal to 16 microns are required. Hybrid CMOS detectors are a type of active pixel sensor that is well suited to the high throughput and wide bandpass requirements of such instruments, and the pixel size goals are well within reach. In collaboration with Teledyne Imaging Sensors, the Penn State X-ray detector lab has developed new small pixel Hybrid CMOS sensors to meet these needs. These prototype 128 x 128 pixel devices have 12.5 micron pixel pitch, 200 micron fully depleted depth, and include crosstalk-eliminating CTIA amplifiers and in-pixel correlated double sampling capability. We report on characteristics of one of these new detectors, including read noise, energy resolution, and pixel-to-pixel gain variation. The read noise was measured to be as low as 5.54 e-± 0.05 e-, while the gain variation was found to be 1.12{\%} ± 0.06{\%}. The energy resolution, including calibration for gain variation, was measured to be as good as 148 eV (2.5{\%}) at 5.9 keV.",
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Hull, SV, Falcone, AD, Burrows, DN, Wages, M & McQuaide, M 2018, Small pixel hybrid CMOS x-ray detectors. in AD Holland & J Beletic (eds), High Energy, Optical, and Infrared Detectors for Astronomy VIII., 107090E, Proceedings of SPIE - The International Society for Optical Engineering, vol. 10709, SPIE, High Energy, Optical, and Infrared Detectors for Astronomy VIII 2018, Austin, United States, 6/10/18. https://doi.org/10.1117/12.2312121

Small pixel hybrid CMOS x-ray detectors. / Hull, Samuel V.; Falcone, Abraham David; Burrows, David Nelson; Wages, Mitchell; McQuaide, Maria.

High Energy, Optical, and Infrared Detectors for Astronomy VIII. ed. / Andrew D. Holland; James Beletic. SPIE, 2018. 107090E (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10709).

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

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Hull SV, Falcone AD, Burrows DN, Wages M, McQuaide M. Small pixel hybrid CMOS x-ray detectors. In Holland AD, Beletic J, editors, High Energy, Optical, and Infrared Detectors for Astronomy VIII. SPIE. 2018. 107090E. (Proceedings of SPIE - The International Society for Optical Engineering). https://doi.org/10.1117/12.2312121