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About developer and investor of Safe Laser - Dr Karoly Rozsa D.Sc.


'Petrik Lajos' Vocational School, Budapest University of Technology, Faculty of Chemical Technology

Work experience

  • 1963 - Central Research Institute for Physics of the Hungarian Academy of Sciences Scientific research, domain of expertise
  • 1963 - At the department of spectroscopy he studied optical spectroscopy, vacuum technology and gas discharge as part of the researches on spectra of diatomic molecules. These researches led him to study gas lasers, that he has been studying since then.

University thesis

Topic: technology and spectroscopy of Helium-Neon gas laser

PhD thesis

Topic: laser spectroscopy

Candidate of Sciences thesis

Topic: gas discharges developed for laser purposes

Academic thesis

Topic: ultraviolet lasers generated in gas discharges developed for laser purposes

Dr. Karoly Rozsa and his son Tamas Rozsa

Visiting scientist, visiting professor  

Soviet Union

Lebedev Physics Institute of the Russian Academy of Sciences, Moscow


University of Innsbruck, Institute of Ion Physics


Ibaraki University

Nagoya University


Monash University


McMaster University

Unites States

University of Arizona, University of New Mexico, Los Alamos National Laboratory

Colorado State University, JILA (University of Colorado and National Institute of Standards and Technology)


Three patents on gas laser constructions

one patent on polarised light device (design and use) (joint owner of the patent on BIOPTRON laser therapy device)

Dr Karoly Rozsa D.Sc. conducted the first successful treatment with polar light under the supervision of Dr Katalin Csizmadia MD

Current research

laser and plasma physics

biological and medical effects of light