CMOS sensors for X-ray detection

Philip Kaaret; Steve Tammes; Tyler Roth; Casey DeRoo

doi:10.1117/12.2594312

5 August 2021 CMOS sensors for X-ray detection

Philip Kaaret, Steve Tammes, Tyler Roth, Casey DeRoo

Author Affiliations +

Proceedings Volume 11821, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXII; 118210R (2021) https://doi.org/10.1117/12.2594312
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

Complementary metal–oxide–semiconductor (CMOS) sensors may offer improved performance compared to the charge-coupled devices common in X-ray satellites. We demonstrate x-ray detection in the soft x-ray band (250 to 1700 eV) by a commercially available back-illuminated CMOS sensor using the Advanced Photon Source at Argonne National Laboratory. While operating the device at room temperature, we measure energy resolutions (FWHM) of 48 eV at 250 eV and of 83 eV at 1700 eV, which are comparable to the performance of the CCD on Chandra and Suzaku.

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Citation Download Citation

Philip Kaaret, Steve Tammes, Tyler Roth, and Casey DeRoo "CMOS sensors for X-ray detection", Proc. SPIE 11821, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXII, 118210R (5 August 2021); https://doi.org/10.1117/12.2594312

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KEYWORDS

CMOS sensors

X-rays

X-ray detectors

Charge-coupled devices

Back illuminated sensors

Satellite communications

Satellites

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