Dionysios Pentaris

Dionysios Pentaris
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Education

  • B.Sc. degree in Physics, Physics Department  University of Patras, Greece
  • M.Sc. degree in Material Science, Physics Department, University of Patras, Greece
  • Ph.D. degree in Nonlinear Optics, Physics Department, University of Patras, Greece
      

Research interests

  • Nonlinear and Quantum Optics
  • Vacuum UV Lasers
         

Scholarships

  • 23rd June - 7th July 2013: “Pump-coupling excitation schemes in potassium by fs laser pulses for parametric emissions enhancement and emission channel control”, at the Laser Research Laboratory, Vilnius University, Lithuania within the framework of the LaserLab-Europe Integrated Initiative (7th FP), grant agreement n0 284464 (vulrc001949)
  • 24th June - 8th July 2012: “Investigation of the ionization signal of alkali atoms excited by femtosecond laser pulse”, at the Laser Research Laboratory, Vilnius University, Lithuania within the framework of the LaserLab-Europe Integrated Initiative (7th FP), grant agreement n0 228334 (vulrc001824)
  • 25th September - 9th October 2011: “Study of the V-type atomic configuration of potassium atoms, excited by fsec pulses”. Laser Research Laboratory, Vilnius University, Lithuania (LT). LaserLab-Europe Integrated Initiative (7th FP), grant agreement n0 228334 (vulrc001631)
  • 11th - 23rd July 2010: “Investigation of the laser-potassium atom interaction by using optical parametric amplified ultra-short laser pulses”. Laser Research Laboratory, Vilnius University, Lithuania (LT). LaserLab-Europe Integrated Initiative (7th FP), grant agreement n0 228334 (vulrc001570)
  • 7th November - 22nd November 2008: “Investigation of the internally generated radiations in potassium vapour by using optical parametric amplified ultra-short fsec laser pulses”. Laser Research Laboratory, Vilnius University, Lithuania (LT). LaserLab-Europe integrated initiative (6th FP) contracts RII3-CT-2003-50635 (vulrc001461)
  • 7th - 22nd July 2007: “Investigation of the amplification without population inversion in potassium vapour by using optical parametric amplified ultra-short laser pulses”. Laser Research Laboratory, Vilnius University, Lithuania (LT). LaserLab-Europe Integrated Initiative (6th FP), contracts RII3-CT-2003-212025 (vulrc001328)
          

Fellowships

  • 19th January-31st October 2008: PhD research studies. “Nonlinear interaction of tunable femtosecond light pulses with alkaline metal vapours”. Marie Curie, early Stage Training fellowship. Vilnius University Laser Research Center (VULRC), Lithuania (LT). Part of ATLAS project (supported by the EC, Contract MEST-CT-2004-008048)
      

Languages

English

Other Activities

  • Philosophy and Social Ontology
  • Historical Studies
     

Publications

  • “Probing electronic coherences by combined two- and one-photon excitation in atomic vapors”,E. Gaizauskas, D. Pentaris, T. Efthimiopoulos and V. Vaicaitis, Optics Letters, 38, 124, 2013
  • “Control of the emission channels response in laser-potassium atom interaction”,D. Pentaris, T. Efthimiopoulos, N. Merlemis and A. Lyras, Journal of Physics B: At. Mol. Opt. Phys, 45, 205505, 2012
  • “Emissions from high density potassium atoms excited by either nanosecond or femtosecond laser pulses”, D. Pentaris, T. Efthimiopoulos, N. Merlemis, V. Vaicaitis and A. Lyras,Applied Physics B, 107, 71,2012
  • “Temporal dynamics of the internally generated radiations in a two-photon excited four-level potassium atom”, D. Pentaris, T. Efthimiopoulos, N. Merlemis and A. Lyras, Journal of Modern Optics, 59, 179,2012
  • “Saturation and population transfer of a two-photon excited four-level potassium atom”, A. Armyras, D. Pentaris, T. Efthimiopoulos, N. Merlemis and A. Lyras, Journal of Physics B: At. Mol. Opt. Phys, 44, 165401, 2011
  • “Action of counter-propagating laser beams on two-photon excitation of potassium vapour”, T. Efthimiopoulos, N. Merlemis, M. E. Movsessian, D. Pentarisand M. Katharakis, Journal of Physics B: At. Mol. Opt. Phys, 43, 055401, 2010
  • “Axial and conical parametric emissions from potassium atoms under two-photon fs excitation”, D. Pentaris, T. Efthimiopoulos, N. Merlemis and V. Vaicaitis, Applied Physics B, 98, 383, 2010.
  • “Conical third harmonic generation in normally dispersive media”, V. Vaicaitis V. Jarutis, and D. Pentaris, Physical Review Letters, 103, 103901, 2009
  • “Optical free induction memory in potassium vapor under a partially-truncated two-photon excitation”, D. Pentaris, T. Marinos, N. Merlemis and T. Efthimiopoulos, Journal of Modern Optics, 56, 840, 2009
         

Conference proceedings

  • “The saturation effect of the parametric emissions in potassium atoms under two-photon excitation”, A. Armyras, D. Pentaris, N. Merlemis, A. Lyras and T.Efthimiopoulos, ICO topical meeting on emerging trends and novel materials in photonics, AIP, Delphi, Greece, 1288, 80, 2010
  • “VUV generation by adiabatically expanded and excited by a DC electrical discharge Argon gas”, K. Pipergias, D. Yasemidis, E. Reppa,  N.  MerlemisD.  Pentaris,  V.  Giannetas  and  T. Efthimiopoulos,  ICO  topical  meeting  on  emerging  trends  and novel  materials  in  photonics,  AIP,  Delphi,  Greece,  1288,  147, 2010
  • “Emissions in potassium vapour under 4S1/2-7S1/2 two-photon nsec excitation”, D. Pentaris, G. Chatzikyriakos, A. Armyras and T.Efthimiopoulos, ICO topical meeting on emerging trends and novel materials in photonics, AIP, Delphi, Greece, 1288, 170, 2010
  • “Parametric four-wave mixing in low atomic densities of potassium vapour”, D. Pentaris, N. Merlemis, A. Lyras and T. Efthimiopoulos, Proceedings of the International Conference on Computational Methods in Science and Engineering (ICCMSE), Corfu Greece, AIP, 963, 2B 788, 2007

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