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Technological development of the OGRE focal plane array

Tutt, James; McEntaffer, Randall L.; DeRoo, Casey; Schultz, Ted; Rogers, Thomas; Murray, Neil; Holland, Andrew; Weatherill, Daniel; Holland, Karen; Colebrook, David and Farn, David (2015). Technological development of the OGRE focal plane array. In: UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XIX, article no. 960105.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1117/12.2186630
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Abstract

The Off-plane Grating Rocket Experiment (OGRE) is a high resolution soft X-ray spectrometer sub-orbital rocket payload designed as a technology development platform for three low Technology Readiness Level (TRL) components. The incident photons will be focused using a light-weight, high resolution, single-crystal silicon optic. They are then dispersed conically according to wavelength by an array of off-plane gratings before being detected in a focal plane camera comprised of four Electron Multiplying Charge-Coupled Devices (EM-CCDs). While CCDs have been extensively used in space applications; EM-CCDs are seldom used in this environment and even more rarely for X-ray photon counting applications, making them a potential technology risk for larger scale X-ray observatories. This paper will discuss the reasons behind choosing EM-CCDs for the focal plane detector and the developments that have been recently made in the prototype camera electronics and thermal control system.

Item Type: Conference or Workshop Item
Copyright Holders: 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
ISSN: 1996-756X
Keywords: cameras; charge-coupled devices; control systems; crystals; electron multiplying charge coupled devices; electronics; observatories; photon counting; photons; rockets
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Centre for Electronic Imaging (CEI)
Space
Related URLs:
Item ID: 44422
Depositing User: David Hall
Date Deposited: 24 Sep 2015 09:22
Last Modified: 07 Dec 2018 22:56
URI: http://oro.open.ac.uk/id/eprint/44422
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