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Performance of new generation swept charge devices for lunar x-ray spectroscopy on Chandrayaan-2

Smith, P. H.; Gow, J. P. D.; Murray, N. J.; Holland, A. D.; Anand, M.; Pool, P.; Sreekumar, P. and Narendranath, S. (2012). Performance of new generation swept charge devices for lunar x-ray spectroscopy on Chandrayaan-2. In: High Energy, Optical, and Infrared Detectors for Astronomy V, 8453, 1-6 July 2012, Amsterdam, Netherlands, SPIE.

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URL: http://proceedings.spiedigitallibrary.org/proceedi...
DOI (Digital Object Identifier) Link: http://dx.doi.org/10.1117/12.926213
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Abstract

The Chandrayaan-2 Large Area Soft X-ray spectrometer (CLASS) is due to be launched by the Indian Space Research Organisation (ISRO) in 2014. It will map the elemental composition of the lunar surface, building on the Chandrayaan-1 X-ray spectrometer (C1XS) heritage. CLASS will use an array of e2v technologies CCD236 swept charge devices (SCD) providing an active detector area of approximately 64 cm2, almost three times the active area of C1XS which used the first generation of SCD, the CCD54. The CCD236 is designed as a soft X-ray detector, 0.8 keV to 10 keV, and benefits from improvements in design to allow for increased detector area, a reduction in split X-ray events and improvements to radiation hardness. This paper describes the investigation into the performance requirements of the CCD236, focussing on an optimisation of the energy resolution of a device irradiated to the estimated worse case end of life proton fluence.

Item Type: Conference Item
Copyright Holders: 2012 Society of Photo-Optical Instrumentation Engineers (SPIE)
ISSN: 0277-786X
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 34856
Depositing User: Jason Gow
Date Deposited: 30 Oct 2012 15:29
Last Modified: 09 Dec 2014 19:03
URI: http://oro.open.ac.uk/id/eprint/34856
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