Characterisation of swept-charge devices for the Chandrayaan-1 x-ray spectrometer (C1XS) instrument

J. Gow; D. R. Smith; A. D. Holland; B. Maddison; C. Howe; P. Sreekumar; J. Huovelin; M. Grande

doi:10.1117/12.734062

18 September 2007 Characterisation of swept-charge devices for the Chandrayaan-1 x-ray spectrometer (C1XS) instrument

J. Gow, D. R. Smith, A. D. Holland, B. Maddison, C. Howe, P. Sreekumar, J. Huovelin, M. Grande

Author Affiliations +

Proceedings Volume 6686, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XV; 66860I (2007) https://doi.org/10.1117/12.734062
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

The Indian Space Research Organisation (ISRO) Chandrayaan-1 mission is India's first lunar spacecraft, containing a suite of instruments to carry out high-resolution remote sensing of the Moon at visible, near infrared and X-ray wavelengths. Due for launch in early 2008, the spacecraft will carry out its two year mission in a polar orbit around the Moon at an altitude of 100 km. One of the eleven instruments in the spacecraft payload is the Chandrayaan-1 X-ray Spectrometer (C1XS), a descendant of the successful D-CIXS instrument that flew on the European Space Agency SMART-1 lunar mission launched in 2003. C1XS consists of 24 swept-charge device (SCD) silicon X-ray detectors arranged in 6 modules that will carry out high quality X-ray spectroscopic mapping of the Moon using the technique of X-ray fluorescence. This paper presents an overview of the Chandrayaan-1 mission and specifically the C1XS instrument and describes the development of an SCD test facility, proton irradiation characterisation and screening of candidate SCD devices for the mission.

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J. Gow, D. R. Smith, A. D. Holland, B. Maddison, C. Howe, P. Sreekumar, J. Huovelin, and M. Grande "Characterisation of swept-charge devices for the Chandrayaan-1 x-ray spectrometer (C1XS) instrument", Proc. SPIE 6686, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XV, 66860I (18 September 2007); https://doi.org/10.1117/12.734062

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