Tinko Eftimov

Tinko Eftimov is a distinguished academic with a career spanning multiple institutions, including Sofia University, the Technical University of Sofia, Helsinki University of Technology, and the University of Quebec at Outaouais (UQO). He holds a B.S. and M.S. in Engineering Physics from Sofia University and a Ph.D. in Physics from the Technical University of Sofia. His academic roles include Professorships at the Faculty of Physics (Sofia University, 2006–2016) and UQO (2002–2005), alongside researcher and postdoctoral positions. His work focuses on optical fibers, fiber optic sensors, fluorescence studies, and luminescent materials.

Education:

• B.S./M.S. in Engineering Physics, Department of Quantum Electronics, Faculty of Physics, Sofia University (1982)
• Ph.D. in Physics, Applied Physics Department, Technical University of Sofia (1989)

Research interests center on polarization matrix methods, optical fiber components, sensor instrumentation, and the application of smartphone-based technologies for spectral and luminescence analysis. His recent work explores luminescent materials for optical tags, smartphone-readable sensors, and affordable spectral measurement systems.

Publications highlight advancements in fiber optic current sensors, phosphorescent temperature sensors, and biosensors for medical diagnostics. His contributions span material synthesis, sensor design, and interdisciplinary applications in food, environmental, and biomedical analysis. Ongoing work emphasizes low-cost, field-deployable optical systems.

Notably, his research bridges fundamental physics with practical sensor technologies, addressing challenges in environmental monitoring, food quality assessment, and medical diagnostics. His labs have developed portable sensor platforms using long-period gratings and smartphone integration, enhancing accessibility in resource-limited settings.