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17 September 2019 The new x-ray laboratory: enabling access to structure, composition, and morphology through laboratory x-ray instrumentation (Conference Presentation)
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Abstract
The past decade has witnessed tremendous growth in both interest and available techniques for laboratory X-ray analysis. From the progression of commercially-available micro- and nano-CT scanners to the resolution and sensitivity enhancements of x-ray fluorescence spectrometers, the scientific community is benefiting from a rapid expansion of laboratory-based x-ray techniques. In our work, we have developed a suite of advanced x-ray instrumentation providing a wide range of enhanced capabilities for specimen characterization. The key enabling technology lies in the X-ray source, which features a microstructured target capable of providing 5-10x higher brightness than conventional sealed-tube x-ray sources and offering power flux densities that rival rotating anode sources. The target array can be custom-designed to incorporate a variety of materials, facilitating fast & easy switching between characteristic emission lines and radiation spectra. This source has been subsequently integrated with state-of-the-art X-ray focusing optics, such as ellipsoidal/paraboloidal capillary lenses and finely-structured Fresnel zone plate imaging objective lenses, and sensitive scintillator-coupled CCD detection systems, opening up new opportunities for advancing laboratory x-ray inspection equipment. Here, we will describe the system geometries in detail and demonstrate how these new advancements have led us to the development of laboratory micro-XRF, nano-XRM, and XAS instrumentation. We will also briefly introduce the image-centric software workspace, which facilitates novice users to collect data quickly and reliably with minimal training overhead.
Conference Presentation
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jeff Gelb, David Vine, Ruimin Qiao, Xiaolin Yang, Srivatsan Seshadri, Benjamin Stripe, Sylvia Lewis, S. H. Lau, and Wenbing Yun "The new x-ray laboratory: enabling access to structure, composition, and morphology through laboratory x-ray instrumentation (Conference Presentation)", Proc. SPIE 11113, Developments in X-Ray Tomography XII, 111130E (17 September 2019); https://doi.org/10.1117/12.2528840
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