Development of a silicon drift detector array: an x-ray fluorescence spectrometer for remote surface mapping

Jessica A. Gaskin; Gabriella A. Carini; Wei Chen; Gianluigi De Geronimo; Ronald F. Elsner; Jeffrey W. Keister; Georgiana Kramer; Zheng Li; Brian D. Ramsey; Pavel Rehak; D. Peter Siddons

doi:10.1117/12.826389

3 September 2009 Development of a silicon drift detector array: an x-ray fluorescence spectrometer for remote surface mapping

Jessica A. Gaskin, Gabriella A. Carini, Wei Chen, Gianluigi De Geronimo, Ronald F. Elsner, Jeffrey W. Keister, Georgiana Kramer, Zheng Li, Brian D. Ramsey, Pavel Rehak, D. Peter Siddons

Author Affiliations +

Proceedings Volume 7441, Instruments and Methods for Astrobiology and Planetary Missions XII; 744118 (2009) https://doi.org/10.1117/12.826389
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

Over the past three years NASA Marshall Space Flight Center has been collaborating with Brookhaven National Laboratory to develop a modular Silicon Drift Detector (SDD) X-Ray Spectrometer (XRS) intended for fine surface mapping of the light elements of the moon. The value of fluorescence spectrometry for surface element mapping is underlined by the fact that the technique has recently been employed by three lunar orbiter missions; Kaguya, Chandrayaan-1, and Chang'e. The SDD-XRS instrument we have been developing can operate at a low energy threshold (i.e. is capable of detecting Carbon), comparable energy resolution to Kaguya (<150 eV at 5.9 keV) and an order of magnitude lower power requirement, making much higher sensitivities possible. Furthermore, the intrinsic radiation resistance of the SDD makes it useful even in radiation-harsh environments such as that of Jupiter and its surrounding moons.

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Jessica A. Gaskin, Gabriella A. Carini, Wei Chen, Gianluigi De Geronimo, Ronald F. Elsner, Jeffrey W. Keister, Georgiana Kramer, Zheng Li, Brian D. Ramsey, Pavel Rehak, and D. Peter Siddons "Development of a silicon drift detector array: an x-ray fluorescence spectrometer for remote surface mapping", Proc. SPIE 7441, Instruments and Methods for Astrobiology and Planetary Missions XII, 744118 (3 September 2009); https://doi.org/10.1117/12.826389

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