Piotr Kasprzycki obtained PhD in Ph ysics from the University of Warsaw in 2018. During his doctoral studies he has specialized in time-resolved fluorescence spectroscopy of photoactive organic molecules and in time-correlated single photon counting technique. He joined the Physical Optics and Biophotonics Group at the Institute of Physical Chemistry PAS in 2019 as an research fellow in order to work on polarization sensitive optical coherence tomography development.