Dennis Schaart

TU Delft
Group
Medical Physics & Technology
Faculty
TNW
Email

About

Dennis Schaart

Dennis R. Schaart heads the section Medical Physics & Technology at the Radiation Science & Technology department of Delft University of Technology (TU Delft). His research group focusses on optics-based radiation imaging detectors for medical imaging. They have a track record in silicon photomultiplier (SiPM) based scintillation detectors for time-of-flight positron emission tomography (TOF-PET). For example, they achieved a world-record coincidence resolving time of < 100 ps FWHM in the detection of annihilation photon pairs with SiPMs in 2009. Today, SiPMs are used in the high-end TOF-PET systems of all major medical imaging device manufacturers.

The group’s research interests furthermore include prompt gamma imaging for in-vivo dosimetry in proton therapy and SiPM-based photon-counting X-ray imaging detectors for anatomical imaging and image guidance of medical interventions. Dennis leads the Technology for Oncology program of the Delft Health Initiative and serves as a member of the R&D Program Board of the Holland Particle Therapy Centre (HollandPTC), a joint initiative of Erasmus Medical Centre (Erasmus MC), Leiden University Medical Centre (LUMC), and TU Delft. He has (co-)authored more than 150 peer-reviewed papers and is a frequently invited speaker.

Scientific interests

  • Ultrafast time-of-flight PET detectors
  • Prompt gamma imaging for treatment verification in proton therapy
  • Photon-counting X-ray detectors for medical imaging

 

Expertise:

  • Scintillation detectors
  • Silicon photomultipliers
  • Signal processing
  • Photon counting (timing) statistics

 

Models and equipment:

  • Laboratory facilities for scintillation detector research and characterization
  • Facility for tomographic imaging experiments
  • Statistical analysis of detector performance
  • Monte Carlo modelling of medical imaging systems
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