Prof. DSc Nikola Sabotinov, member of BASProf. DSc Nikola V. Sabotinov, member of BAS

n.sabotinov (at) issp (dot) bas (dot) bg

Born in September 13, 1941, Bourgas, Bulgaria

Fields of research interest: laser physics, laser technology, gas discharge lasers, metal vapor lasers.


Professional background:


  • President of the Bulgarian Academy of Sciences from 2008 to 2012
  • Vice-President of the Bulgarian Academy of Sciences from 1996 to 2008
  • Head of the Metal Vapor Lasers Laboratory, Institute of Solid State Physics, Bulgarian Academy of Sciences from 1987 to 2012
  • Full Member of the Bulgarian Academy of Sciences since 2003
  • Professor since 1993 with the Institute of Solid State Physics
  • Associate Professor from 1984 to 1993 with the Institute of Solid State Physics
  • Research Scientist from 1967 to 1984 with the Institute of Solid State Physics


  • D.Sc. degree in physics, 1992, Bulgaria
  • Ph.D. degree in physics (quantum electronics), 1976, from the Institute of Solid State Physics, Bulgarian Academy of Sciences
  • Diploma in Physics (Radio-physics and Electronics), 1967 from the Faculty of Physics of Sofia University ”St. Kliment Ohridski”, Sofia, Bulgaria

Main Scientific Achievements

  • Creation and study of the copper bromide vapor laser
  • Discovery of a strong effect of hydrogen in the copper halide lasers and copper atom lasers that results in significant increases in the average laser output power and efficiency
  • Invention and study of the helical hollow cathode

Scientific production:

Totally 346 scientific publications including:

  • Papers in international scientific journals and conference proceedings:136
  • Papers in Bulgarian scientific journals and conference proceedings: 29
  • Reports at international conferences abroad: 65
  • Reports at international and local conferences in Bulgaria: 78
  • Patents: 28
  • Dissertations: 2 (Ph.D. and D.Sc.)
  • Monographs: 2
  • Survey-papers and textbooks: 6

Citations of his works by other authors in the scientific literature: ~615 in number

Publications for the last 5 years:

  1. A. N. Soldatov, N. V. Sabotinov, E. L. Latush,G. D. Chebotarev, N. K. Vuchkov, N. A. Yudin, STRONTIUM AND CALCIUM VAPOUR LASERS, Ist part, Академично издателство «Професор Марин Дринов», (2013)

  2. N. Sabotinov, K. Blagoev and M. Grozeva, Laser, Atomic, Molecular and Plasma Physics, 40th Anniversary Jubilee Collection - Research Activities of Georgi Nadjakov Institute of Solid State Physics 2003 – 2012, Editors: A. G. Petrov and M. T. Primatarowa, (2012) pp. 151-168, (2012)

  3. I. Iliev, S. Gocheva-Ilieva, K. Temelkov, N. Vuchkov and N Sabotinov, An improved radial temperature model of a high-powered He-SrBr2 laser, Optics & Laser Technology, Volume 43, Issue 3, April 2011, Pages 642-647, ISSN 0030-3992, DOI: 10.1016/j.optlastec.2010.09.005, (IF 0.981), (2011)

  4. K. Temelkov, S. Slaveeva, N. Vuchkov, L. Lyutov and N. Sabotinov, Determination of Gas and Electron Temperatures for a Powerful MIR He-SrBr2 Laser Excited in Nanosecond Pulsed Longitudinal Discharge, in Proc. of SPIE, vol. 7751, art. 77510P, 2011, (8 pages), (2011)

  5. I. Iliev, S. Gocheva-Ilieva, K. Temelkov, N. Vuchkov and N. Sabotinov, Temperature Model of a New High-powered SrBr2 Laser, AIP Conference Proceedings 1301, 138-145, (2010)

  6. K. Temelkov, N. Vuchkov, I. Freijo-Martin, A. Lema, L. Lyutov and N. Sabotinov, Experimental study on the spectral and spatial characteristics of a high-power He–SrBr2 laser, J. of Phys. D: Appl. Phys., 42, 115105 (6pp) doi:10.1088/0022-3727/42/11/115105, (IF 2.104), (2009)

  7. K. Temelkov, N. Vuchkov, B. Mao, E. Atanassov, L. Lyutov and N. Sabotinov, High-power Sr atom laser excited in nanosecond pulsed longitudinal He-SrBr2 discharge, IEEE J. of Quantum Electronics, vol. 45, No. 3, pp. 278-281, (IF 2.413), (2009)

  8. M. Ilieva, A. Stoyanova, V. Tsakova, N. Vuchkov, K. Temelkov, W. Erfurth and N. Sabotinov, Effect of deep UV laser treatment on electroless silver precipitation on poly-3,4-ethylenedioxythiophene, Journal of Optoelectronics and Advanced Materials (JOAM), Vol. 11, ISS.10- 2009, pp. 1444 – 1447, (IF0.577), (2009)

  9. J. Mouchovski, K. Temelkov, N. Vuchkov and N. Sabotinov, Calciumstrontium fluoride crystals with different composition for UV-laser application: control of growing rate and optical properties, Compt. Rend., 62, No. 6, pp. 687-694, (IF 0.152), (2009)

  10. I. Iliev, S. Gocheva-Ilieva, K. Temelkov, N. Vuchkov and N. Sabotinov, Modeling of the Radial Heat Flow and Cooling Processes in a Deep Ultraviolet Cu+ Ne-CuBr Laser, Mathematical Problems in Engineering, vol. 2009, Article ID 582732, 16 pages, doi:10.1155/2009/582732, (IF 0.545), (2009)

  11. I. Iliev, S. Gocheva-Ilieva, K. Temelkov, N. Vuchkov and N. Sabotinov, Analytical model of temperature profile for a He-SrBr2 laser, Journal of Optoelectronics and Advanced Materials (JOAM), vol. 11, ISS. 11- 2009, pp. 1735 – 1742, (IF 0.577), (2009)

  12. I. Iliev, S. Gocheva-Ilieva and N. Sabotinov, Modeling of radio-frequency breakdown in argon, Journal of Optoelectronics and Advanced Materials (JOAM), pp. 1392-1395, vol. 11, No. 10, Oct 2009,(IF 0.577), (2009)

  13. I. Iliev, S. Gocheva-Ilieva and N. Sabotinov, Classification analysis of CuBr laser parameters, Quantum electronics 39 (2), pp. 143-146, (IF 0.64), (2009)

  14. I. Iliev, S. Gocheva-Ilieva and N. Sabotinov, An improved model of gas temperature in acopper bromide vapor laser, Quantum electronics 39 (5), pp. 425-430, (IF 0.64), (2009)

  15. I. Iliev, S. Gocheva-Ilieva and N. Sabotinov, Prognosis of the copper bromide laser generation through statistical methods, Proc. of SPIE, vol. 7131, 71311J-1-8, (2009)

  16. J. Mouchovski, K. Temelkov, N. Vuchkov and N. Sabotinov, Simultaneous growth of high quality Ca1-xSrxF2 boules by optimized Bridgman-Stockbarger apparatus. Reliability of light-transmission measurement, Bulgarian Chemical Communications, vol. 41, No. 3, pp. 253–260, (2009)

  17. S. Gocheva-Ilieva, I. Iliev, K. Temelkov, N. Vuchkov and N. Sabotinov, Classifying the Basic Parameters of Ultraviolet Copper Bromide Laser, AIP Conf. Proc., CP1186, pp. 413-420, (2009)

  18. K. Temelkov, N. Vuchkov, I. Freijo-Martin, E. Atanassov, R. Ekov and N. Sabotinov, Determination of Thermal Conductivities and Gas Temperature Distribution for Gas Discharges in Ne and He mixtures with Hydrogen, Copper and Bromine, in Proc. of 36th EPS Conference on Plasma Physics ECA Vol. 33E, P-2.132, (2009)

Research & Development activities:

Participations in projects:

Co-Director and Team Leader of the Bulgarian part in the following international cooperation research projects:

under the Science for Peace Programme of NATO:

  1. Project NATO SfP-972685, Development of a System Based on a High Power and High Efficiency Copper Bromide Laser for Precision Materials Processing,   (Germany, Bulgaria, Italy, Poland), (1999-2002)
  2. Project NATO SfP-971989, High Beam Quality UV Lasers for Microelectronics, (Germany, Hungary, Poland, Bulgaria, Belgium, Netherlands, France), (1999-2004)

under the Fifth Framework Programme (FP5) of the European Commission:

  1. Improving Human Potential Programme - Research Training Networks, No.:HPRN-CT-1999-00129, COCOMO, Coherence and Control in Atomic and Molecular Systems and Processes, Germany, Sweden, UK, the Netherlands, France, Greece, Bulgaria, (2000 – 2004)

under the Programme Stability Pact for South-East Europe of the German Ministry of Research

  1. New Technologies for Laser Processing of Materials, "Stabilitaetspakt fur Suedosteuropa", Verbesserung der Metalldampflaser-Laborausstattung fuer Studien - und Diplomarbeiten an der Universitaet Sofia No.13, (2001-2003)

under the Copernicus Programme, FP4 of the European Community

  1. Contract #CIPACT 930219, Development of RF- and mW-excited rare gas metal vapor lasers for the UV and visible spectral ranges; (Germany, Bulgaria, Poland), (1994-1996)
  2. Contract#CIPA - CT94 - 0214, New Generation Lasers for High Precision Materials Processing; (UK, Bulgaria, Poland), ( 1995-1997)

Participations in international scientific committees:

  • President of the URSI Member Committee in Bulgaria
  • International Advisory Board of the Transactions of the Institute of Fluid-Flow Machinery, Polish Academy of Sciences

Participations in the organization of international conferences:

  • Member of the International Advisory Committee in the GCL-HPL 2004, Prague, Czech Republic
  • Director of the NATO Advanced Research Workshop on Pulsed Metal Vapor Lasers, 1995, St.Andrews, Scotland
  • Co-Chairman of the Conference on High Power Gas Lasers, OE LASE’90, Los Angeles, USA


  • Academic prize Medal “Marin Drinov”, 2001
  • Academic Prize for Physics of the Bulgarian Academy of Sciences, 1995
  • Honorary Inventor Prize, Bulgaria, 1982
  • Technical Progress Contribution Prize, Bulgaria, 1979
  • Medal “25 Years Polish Academy of Sciences”, 1978
  • Medal “Republic Bulgaria”, 1988  

Memberships in scientific societies:

  • Society of Photo-Optical Instrumentation Engineers, (SPIE) since 1995
  • Institute of Electrical and Electronics Engineers,(IEEE), Lasers and Electrooptics Society, USA since 1995
  • Optical Society of America (OSA) since 2002
  • Union of Physicists of Bulgaria, since 1967