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    User Meeting 2014

    20–21 Nov 2014
    National Centre for Synchrotron Science
    Australia/Melbourne timezone
    Save the date: User Meeting 2015 - 26-27 November

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    Session

    Beamlines, Instrumentation and Techniques I

    20 Nov 2014, 15:30
    National Centre for Synchrotron Science

    National Centre for Synchrotron Science

    Australian Synchrotron 800 Blackburn Road Clayton VIC 3168

    Conveners

    Beamlines, Instrumentation and Techniques I

    • Chris Hall (Australian Synchrotron)

    Presentation materials

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    1. 110. X-ray Imaging at IMBL: Detailed Considerations of Contrast and Resolution
      Dr Andrew Stevenson (Australian Synchrotron/ CSIRO)
      20/11/2014, 15:30
      Beamlines, Instrumentation and Techniques
      Oral
      The Imaging and Medical Beamline (IMBL) at the Australian Synchrotron has three hutches, centred at 22, 36 and 140m from the source, in which user experiments are performed. Radiotherapy experiments are currently performed in the first of these hutches, and imaging (including tomography) in the second and third hutches. The X-ray source is provided by a superconducting multipole wiggler...
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    2. 78. Absolute Dosimetry using a Graphite Calorimeter on the Imaging and Medical Beamline at the Australian Synchrotron
      Dr Peter Harty (ARPANSA)
      20/11/2014, 15:50
      Beamlines, Instrumentation and Techniques
      Oral
      In 2012-13, the Australian Synchrotron installed a superconducting multi-pole wiggler (SCMPW) on the imaging and medical beamline (IMBL) with the intention of future preclinical radiotherapy trials. Before moving to such trials, accurate knowledge of the dose delivered is required to calibrate the secondary dosimeters in regular use. When this is resolved, clinical use of the Australian...
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    3. 48. Characterisation of the PTW microDiamond detector for high spatial resolution dosimetry in microbeam radiation therapy at IMBL
      Dr Jayde Livingstone (Australian Synchrotron)
      20/11/2014, 16:10
      Beamlines, Instrumentation and Techniques
      Oral
      Microbeam radiation therapy (MRT) at IMBL is based on arrays of 50&mu m wide x-ray beams with a pitch of 400&mu m. The peak-to-valley dose ratio (PVDR) is the ratio of the peak dose to the dose between the microbeams and is an important radiobiological quantity. Accurate measurements of the PVDR require a dosimeter with high spatial resolution, dose rate independence and water equivalence for...
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    4. 58. Spatial dosimetric response of an ionisation chamber to kilovoltage synchrotron radiation by 2D scanning in a sub-millimetre beam
      Dr Duncan Butler (ARPANSA)
      20/11/2014, 16:30
      Radiotherapy and Radiobiology
      Oral
      The IMBL at the Australian Synchrotron is able to provide high-brightness kilovoltage radiation in the energy range 20 – 200 keV. A PTW 30013 Farmer-type ionisation chamber was scanned through a point-like (sub-millimetre) beam and the ionisation signal from the chamber was recorded as a function of position. In this way an image was constructed from the spatial dosimetric response of the...
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