Alex Vitkin, PhD

ProfessorSenior ScientistMedical Physicist

Research in biophotonics with a focus on optical coherence tomography, tissue polarimetry, and laser–tissue interactions.

Dr. Alex Vitkin

About

At the intersection of optics, physics & biomedical science.

Alex Vitkin is an engineering physicist / biomedical engineer by training, with further specialization in medical physics and applications of lasers in medicine.

He is currently a professor of Medical Biophysics and Radiation Oncology at the University of Toronto, a senior scientist in the division of BioPhysics and BioImaging at the Ontario Cancer Institute of the University Health Network, and a medical physicist at Princess Margaret Cancer Centre (all in Toronto, Ontario, Canada).

His research is the field of biophotonics, with particular emphasis on structural and functional optical coherence tomography, tissue polarimetry, and optical fiber sensors.

He has published >180 papers and book chapters on diagnostic and therapeutic uses of light in biomedicine, and holds several patents in the field; his laboratory works closely with clinicians and with industry, and he is a consultant for several biophotonics companies.

He is a regular reviewer for NIH, CIHR, NSERC, CIMIT, and other granting agencies.

He lectures widely, delivering special seminars and summer school modules on biophotonics in Brazil, China, Colombia, Cyprus, Germany, India, Ireland, Mexico, New Zealand, Russia, Taiwan, USA, Ukraine, and Vietnam; he is currently an active participant in the SPIE Visiting Lecturer and OSA Travelling Lecturer programs.

Dr. Vitkin is also a board-certified medical physicist through the Canadian College of Physicists in Medicine (CCPM) and is a Fellow of the Optical Society of America (OSA) and the Society of Photo-Optical Instrumentation Engineers (SPIE).

Expertise

Areas of Interest

Optical Coherence Tomography (OCT)

Development of structural and functional OCT methods for high-resolution imaging and assessment of biological tissues.

Tissue Polarimetry

Investigation of polarized light interactions with tissues to reveal structural organization and biological properties.

Laser–Tissue Interactions

Study of laser–tissue interactions for biomedical diagnostics, treatment, and therapeutic applications.

Opto-Thermal Therapy & Transfer

Research on optical energy delivery, thermal transport, and light-induced effects in biological tissues.

Radiation Oncology Physics

Application of medical physics to radiation therapy, treatment delivery, and dosimetry.

Team & Alumni

A Community of Contributors

Kseniia Tumanova
KseniiaTumanova

PhD Candidate

Carla Kulcsar
CarlaKulcsar

PhD Candidate

Mirta Dumancic
MirtaDumancic

PhD

Héctor A. Contreras
Héctor A.Contreras

PhD Candidate

View Team & Alumni
Awards

Research Funding

2025 – 2026

Co-Investigator

Sustainable automated discovery of lanthanide-based nanocrystals

250,000

University of Toronto Accelerate Moonshot Grant

2025 – 2026

Principal Applicant

From enabling technologies to clinical applications: advancing science and medicine with light

10,000 + 24,865

National Institutes of Health (NIH) R13

2021 – 2026

Principal Applicant

Functional OCT and MRI monitoring of pancreatic cancer radiotherapy

945,000

Canadian Institutes of Health Research (CIHR)