The Maia detector array and x-ray fluorescence imaging system: locating rare precious metal phases in complex samples

C. G. Ryan; D. P. Siddons; R. Kirkham; Z. Y. Li; M. D. de Jonge; D. Paterson; J. S. Cleverley; A. Kuczewski; P. A. Dunn; M. Jensen; G. De Geronimo; D. L. Howard; B. Godel; K. A. Dyl; L. A. Fisher; R. H. Hough; Stephen J. Barnes; P. A. Bland; G. Moorhead; S. A. James; K. M. Spiers; G. Falkenberg; U. Boesenberg; G. Wellenreuther

doi:10.1117/12.2027195

26 September 2013 The Maia detector array and x-ray fluorescence imaging system: locating rare precious metal phases in complex samples

C. G. Ryan, D. P. Siddons, R. Kirkham, Z. Y. Li, M. D. de Jonge, D. Paterson, J. S. Cleverley, A. Kuczewski, P. A. Dunn, M. Jensen, G. De Geronimo, D. L. Howard, B. Godel, K. A. Dyl, L. A. Fisher, R. H. Hough, Stephen J. Barnes, P. A. Bland, G. Moorhead, S. A. James, K. M. Spiers, G. Falkenberg, U. Boesenberg, G. Wellenreuther

Author Affiliations +

Proceedings Volume 8851, X-Ray Nanoimaging: Instruments and Methods; 88510Q (2013) https://doi.org/10.1117/12.2027195
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

X-ray fluorescence images acquired using the Maia large solid-angle detector array and integrated real-time processor on the X-ray Fluorescence Microscopy (XFM) beamline at the Australian Synchrotron capture fine detail in complex natural samples with images beyond 100M pixels. Quantitative methods permit real-time display of deconvoluted element images and for the acquisition of large area XFM images and 3D datasets for fluorescence tomography and chemical state (XANES) imaging. This paper outlines the Maia system and analytical methods and describes the use of the large detector array, with a wide range of X-ray take-off angles, to provide sensitivity to the depth of features, which is used to provide an imaging depth contrast and to determine the depth of rare precious metal particles in complex geological samples.

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C. G. Ryan, D. P. Siddons, R. Kirkham, Z. Y. Li, M. D. de Jonge, D. Paterson, J. S. Cleverley, A. Kuczewski, P. A. Dunn, M. Jensen, G. De Geronimo, D. L. Howard, B. Godel, K. A. Dyl, L. A. Fisher, R. H. Hough, Stephen J. Barnes, P. A. Bland, G. Moorhead, S. A. James, K. M. Spiers, G. Falkenberg, U. Boesenberg, and G. Wellenreuther "The Maia detector array and x-ray fluorescence imaging system: locating rare precious metal phases in complex samples", Proc. SPIE 8851, X-Ray Nanoimaging: Instruments and Methods, 88510Q (26 September 2013); https://doi.org/10.1117/12.2027195

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