Ekaterina Gubarkova, PhD in Biology (Biophysics), Senior Researcher at the Laboratory of Optical Coherence Tomography at the Institute of Experimental Oncology and Biomedical Technologies (Privolzhsky Research Medical University, Nizhny Novgorod, Russia). Her research interests are in the optical imaging of biotissues, in particular, cross-polarization (CP) OCT, OCT-elastography, OCT-angiography and nonlinear microscopy. She is an author of over 80 research publications.