Author: Barnsley, L.
Paper Title Page
WEOB01 Engineering Challenges in BioSAXS for Australian Synchrotron 224
  • S. Venkatesan, L. Barnsley, A.J. Clulow, A.P. Mazonowicz, C.J. Roy
    AS - ANSTO, Clayton, Australia
  • G. Conesa-Zamora, R. Grubb, H. Hamedi, B. Jensen, C.S. Kamma-Lorger, V.I. Samardzic-Boban
    ANSTO, Menai, New South Wales, Australia
  The Biological Small Angle X-Ray Scattering (BioSAXS) beamline is the third beamline designed, developed and soon to be installed as part of BRIGHT Program at the Australian Synchrotron. The BioSAXS beamline will allow highly radiation sensitive samples to be studied at high flux. The beamline will offer increased efficiency, and data quality, for all liquid phase scattering experiments, allowing measurement of new and novel samples, and experiments, that otherwise would not be possible. The BioSAXS beamline will accommodate a wide range of experiments by offering a q-range of ~ 0.001 - 4 Å-1 and an optical design optimized for high flux (~5x1014 ph/s) x-rays. At this flux rate, BioSAXS will offer users one of the highest flux beamlines in the world. To achieve this, the beamline will use a superconducting undulator insertion device, double multilayer monochromator, and vertical and horizontal bending mirrors, providing flexibility in optical configurations. The beamline will primarily collect data in a fully unfocussed mode. BioSAXS will also be able to achieve a fully focused and a vertically focussed beam. This subsequent variation in the beam position at sample is accommodated through fully automated motion in 5 axes at the in-vacuum detector stage and 4 axes in the sample table. The design of these components allows smooth transition in camera lengths and improved signal to noise ratio. This paper presents the various engineering challenges in this high flux design, including thermal management of critical components, design developments to accommodate the various operational modes and various stages of the Photon Delivery System and Experimental Station components. The paper aims to present details of design, FEA results and approaches taken to solve problems.  
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About • paper received ※ 13 August 2021       paper accepted ※ 29 October 2021       issue date ※ 08 November 2021  
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