Color ptychography with a hyperspectral x-ray camera

Wiebe Stolp; Silvia Cipiccia; Sander Vanheule; Darren Batey; Frederic van Assche; Matthieu N. Boone

doi:10.1117/12.2594803

8 September 2021 Color ptychography with a hyperspectral x-ray camera

Wiebe Stolp, Silvia Cipiccia, Sander Vanheule, Darren Batey, Frederic van Assche, Matthieu N. Boone

Proceedings Volume 11839, X-Ray Nanoimaging: Instruments and Methods V; 118390C (2021) https://doi.org/10.1117/12.2594803
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

A possible improvement on a new method of single acquisition hyperspectral (spectroscopic) ptychographic imaging, making use of a hyperspectral X-ray camera, is presented. Undulator tapering is used at the synchrotron to broaden the energy distribution of the X-ray beam to a suitable level for edge subtraction. The combination of a coherent imaging method such as ptychography with spectroscopy poses difficulties in experimental setup design regarding probe size. The final goal of the experiment, a K-edge subtraction, is not successful, but the technique is nevertheless promising. The capability of resolving the absorption edge applies to a wide range of research areas, such as element specific investigations in biological, materials, and earth sciences. We discuss the problems and their possible solutions.

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Citation Download Citation

Wiebe Stolp, Silvia Cipiccia, Sander Vanheule, Darren Batey, Frederic van Assche, and Matthieu N. Boone "Color ptychography with a hyperspectral x-ray camera", Proc. SPIE 11839, X-Ray Nanoimaging: Instruments and Methods V, 118390C (8 September 2021); https://doi.org/10.1117/12.2594803

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