Dr. Romualdas Sirutkaitis is a researcher at Vilnius University's Laser Research Center (LRC) , specializing in Materials Engineering and Femtosecond Laser Microprocessing . His work focuses on laser-assisted etching of glasses and crystals, with applications in precision manufacturing and optical material processing. His research interests include: Femtosecond laser microprocessing Laser-assisted chemical etching Transparent material fabrication Ultrafast laser applications in industry Precision optical manufacturing Dr. Sirutkaitis has supervised 2 BSc and 2 MSc students and contributed to numerous publications in journals like Micromachines and Journal of Laser Micro Nanoengineering . He is actively involved in national scientific governance as a member of the Biochemistry Institute Council.