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X-Ray Microscopy

Teaching

Courses

Summer term

Basic Principles of Two- and Three-Dimensional X-Ray Imaging Course no.: 9221560

Dr. rer. nat. Simon Zabler & Dr. Theobald Fuchs

(4 hours per week, lecture with seminar presentations, exam)
Friday, 10:00 - 13:00 Uhr
Campus Hubland Nord - SE 63.00.319

Contents

  • Physics of x-ray generation (x-ray tubes, synchrotron)
  • Physics of the interaction of x-rays and matter (photoabsorption, scattering)
  • Physics of x-ray detection
  • Mathematics of reconstruction algorithms (filtered back projection, Fourier reconstruction, iterative methods)
  • Image data preprocessing, feature extraction, visualisation, ...
  • Applications for x-ray imaging in industry (component testing, characterisation of materials, metrology, biology, ...)
  • Radiation protection and biological radiation effect (dose, ...)

Imaging Methods on Synchrotron Course no.: 9230700

Dr. Simon Zabler

(3 hours per week, lecture/practical work)
Friday, 13:00 - 17:00 Uhr
Campus Hubland Nord - SE 63.00.319

Contents

  • Overview of Synchrotron radiation and its generation
  • Basic principles of interaction of radiation - matters
  • Basic principles of  X-ray optics,  X-ray lenses
  • Detector technology on Synchrotron/X-Ray diffractometry (diffraction) on cristalline materials
  • Narrow-angle scattering on mesoscopic materials
  • Reflectometry in grazing incidence
  • Coherent and partially coherent imaging and tomography
  • Spectroscopic imaging (XANES, XRF, EXAFS)
  • Selected examples of applications (e. g. Protein cristallization)

Winter term

Methods of Non-Destructive Material- and Component Characterization course no.: 9230620

Prof. Dr. Randolf Hanke & Dr. Norman Uhlmann

(3 hours per week, lecture/practical work)
Friday, 10:00 - 12:00 Uhr
Campus Hubland Nord - SE 63.00.319

Contents

  • X-ray imaging
  • Computer tomography (basic principles, methods and applications)
  • Neutron radiology
  • Ultrasound ( basic principles and applications )
  • Thermography

Image- and Signal Processing in Physics course no.: 9230740

Dr. Simon Zabler & Dr. Theobald Fuchs

(4 hours per week, lecture/practical work)
Friday, 10:00 - 12:00 (lecture)
Friday, 14:00 - 16:00 (practical work)
Physik SE 6

Contents

  • Periodic and aperiodic signals
  • Basic principles of discrete and exact Fourier-transformation
  • Basic principles of digital signal- and image processing
  • Discretization of signals / sampling theorem (Shannon)
  • Homogenenous and linear filters, the convolution product
  • Window functions and interpolation of images
  • The Parseval-Theorem, correlation and energetic considerations
  • Statistical signals, image noise, moments, stationary signals
  • Tomography: Hankel- und Radon-transforms