Laserlab-Europe Talk: Scientific fundamentals and practice of Photoacoustic Tomography

  • What Laserlab-Event
  • When Oct 25, 2023 from 03:00 PM to 04:00 PM (Europe/Berlin / UTC200)
  • Where Zoom
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Scientific fundamentals and practice of Photoacoustic Tomography

Speaker: Fábio A. Schaberle (CLL, Portugal)
Date: Wednesday, 25 October 2023, 3:00pm CEST


Photoacoustic tomography (PAT) is based on the absorption of light by endogenous or exogenous molecules – organic or inorganic – and the subsequent generation of acoustic waves resulting of the rapid deposition of heat upon deactivation of the excited electronic states of these molecules. In practice, PAT is used to imaging small animals, e.g. mice, using pulsed laser light with wavelengths capable of penetrating biological tissues (680nm-2300nm) and activating specific chromophores. The great advantages of PAT are the molecular contrast provided by the selective absorption of light and the resolution (microns) obtained by the high frequencies of acoustic waves.


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