3 September 2009 Development of a silicon drift detector array: an x-ray fluorescence spectrometer for remote surface mapping
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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.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jessica A. Gaskin, Jessica A. Gaskin, Gabriella A. Carini, Gabriella A. Carini, Wei Chen, Wei Chen, Gianluigi De Geronimo, Gianluigi De Geronimo, Ronald F. Elsner, Ronald F. Elsner, Jeffrey W. Keister, Jeffrey W. Keister, Georgiana Kramer, Georgiana Kramer, Zheng Li, Zheng Li, Brian D. Ramsey, Brian D. Ramsey, Pavel Rehak, Pavel Rehak, D. Peter Siddons, 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); doi: 10.1117/12.826389; https://doi.org/10.1117/12.826389


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