Characterisation of a single photon counting pixel detector

Passmore, M.S., Bates, R., Mathieson, K., O'Shea, V. , Rahman, M., Seller, P. and Smith, K.M. (2001) Characterisation of a single photon counting pixel detector. Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 466(1), 202 -208. (doi:10.1016/S0168-9002(01)00846-4)

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Publisher's URL: http://dx.doi.org/10.1016/S0168-9002(01)00846-4

Abstract

The Large Area Detector is a photon counting detector based on pixel readout ASICs with 64 x 64 arrays of 150 mum square pixels bump bonded to a 300 mum thick Si detector. It is designed for X-ray diffraction studies and is capable of up to 1 MHz count rate per pixel. A prototype has been tested at the synchrotron radiation source in Daresbury in a 19.5 keV X-ray beam. This paper focuses on the spatial resolution and noise performance. The calculation of modulation transfer functions leads to analytical formulae allowing the determination of the theoretical spatial resolution.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:O'Shea, Professor Val and Mathieson, Dr Keith and Smith, Professor Kenway and Bates, Dr Richard
Authors: Passmore, M.S., Bates, R., Mathieson, K., O'Shea, V., Rahman, M., Seller, P., and Smith, K.M.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
Publisher:Elsevier BV
ISSN:0168-9002
ISSN (Online):1872-9576

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