Preparation for a mesh experiment on a hybrid CMOS detector

Evan Bray; David Burrows

doi:10.1117/12.2273014

29 August 2017 Preparation for a mesh experiment on a hybrid CMOS detector

Evan Bray, David Burrows

Proceedings Volume 10397, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX; 1039706 (2017) https://doi.org/10.1117/12.2273014
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States

Abstract

The detection of X-rays is a unique process relative to other wavelengths, and allows for some novel features that increase the scientific yield of a single observation. Unlike lower photon energies, X-rays liberate a large number of electrons from the silicon absorber array of the detector. This number is usually on the order of several hundred to a thousand for moderate-energy X-rays. These electrons tend to diffuse outward into what is referred to as the electron cloud. This cloud can then be picked up by several pixels, forming a specific pattern based on the exact incident location. By conducting the first ever “mesh experiment” on a hybrid CMOS detector (HCD), we will experimentally determine the charge cloud shape and use it to characterize responsivity of the detector with subpixel spatial resolution

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Citation Download Citation

Evan Bray and David Burrows "Preparation for a mesh experiment on a hybrid CMOS detector", Proc. SPIE 10397, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX, 1039706 (29 August 2017); https://doi.org/10.1117/12.2273014

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