Laser Matter Interaction Group

Keywords: ultrafast laser micromachining, laser induced breakdown spectroscopy (LIBS), optical parametrical interactions, supercontinuum in PCF, vector vortex beams, terahertz spectroscopy

Long term or project based collaboration with academia and industrytowards development of ultrafast laser machining and advanced nonlinear applications.

Research group activities

Laser Matter Interaction Group is engaged in the following activities:

  • The development of novel methods for microfabrication of transparentand metallic materials with Lithuanian-made femtosecondlaser systems; 
  • Volumetric modification of transparent materials via femtosecondlaser pulses; waveguide and other photonic device integration inglasses;
  • The application of Laser induced breakdown spectroscopy (LIBS) for monitoring of femtosecond laser micromachining;
  • Development and optimization of Synchronously PumpedOptical Parametric Oscillators (SPOPO) by femtosecond pulses;
  • Research on supercontinuum generation in photonic crystalfibers; nonlinear optics, vortex beam generation;
  • Research on ultrafast coherent spectroscopy in terahertz range.

 

Proposal

Long term or project based collaboration with academia and industrytowards development of ultrafast laser machining and advancednonlinear applications. Feasibility studies or small scale batch production are available viaopen access facility “NAGLIS”.

 

Meet our team

Leading researcher:

Prof. Valdas Sirutkaitis

Staff:

Dr. Domas Paipulas,

Dr. Julius Vengelis,

Dr. Ona Balachninaitė,

Dr. Eugenijus Gaižauskas,

Prof. Valerijus Smilgevičius,

Dr. ViktorijaTamulienė,

Dr. Vygandas Jarutis,

Dr. Aidas Matijošius,

Dr. (HP) Virgilijus Vaičaitis,

Dr. Rimantas Grigonis

PhD students:

Simas Butkus,

Ieva Pipinytė,

Lina Mažulė,

Maksym Ivanov.

 

Research outcomes

The group released over 200 research papers, that were cited morethan 1700 times. The most important publications are:

  • T. Tickunas et al., Combination of additive and subtractive laser 3D microprocessing in hybrid glass/polymer microsystems for chemicalsensing applications, Opt. Express 25(21), 26280 (2017).
  • S. Butkus et al., Rapid microfabrication of transparent materials using filamented femtosecond laser pulses, Appl. Phys. A., 114(1), 81-90(2014).
  • M. Gecevičius et al., Towards the generation of broadband opticalvortices: extending the spectral range of a q-plate by polarization selective filtering, JOSA B, V.1, p. 190 (2018).
  • V. Vaičaitis et al., Influence of laser-preformed plasma on THz wave generation in air by bichromatic laser pulses, Laser physics, 28, art.no 095402 (2018).
  • J. Vengelis et al., Characteristics of optical parametric oscillator synchronously pumped by Yb:KGW laser and based on periodically poled potassium titanyl phosphate crystal, Opt. Comm. 410,774—781 (2018).
  • J. Skruibis et al., Multiple-pulse laser-induced breakdown spectroscopy for monitoring the femtosecond laser micromachining processof glass”, Optics and Laser Technology 111, 295-302 (2019).

International scientific collaboration:

Shizuoka University (Prof. V. Mizeikis); Galatea Lab., EPFL (Prof. Y.Bellouard); Tartu University (Dr. V. Nagirnyj); Latvia University (Prof.R. Ferber); Linköping University (Dr. C. Ponseca); Leibniz Universityof Hannover (Prof. U. Morgner); Max Born Institute (Dr. I. Babushkin);University of Southampton (Dr. M. Beresna); University of Gothenburg(Prof. D. Hanstorp); Brno University of Technology (Prof. J.Kaiser); Cairo University (Dr. A. Galmed), University of Patras (Prof. S.Couris); University of Technology in Braunschweig (Prof. A. Dietzel).

Cooperation with industry:

Continuous collaboration with Lithuanian laser companies Light Conversion, Eksma Optics, Altechna R&D Ltd.

Participation in projects supported by:

Lithuanian Research Council, Lithuanian Agency for Science, Innovations and Technology and H2020 Laserlab-Europe 4 project.

 

Resources

  • Automated setups of ultrafast lasers synchronized with linearstages and galvo-scanners for spatio-temporal selective lightmatterinteraction (DLW setup with widely tunable exposureconditions);
  • Femtosecond Yb:KGW and Ti:sapphire laser systems;
  • Chemistry laboratory for sample preparation, development, spin-coating and vacuuming;
  • Access to and expertise in scanning electron microscopy andoptical profilometry inspections;
  • Setups for characterization of nanophotonic, microoptical andmicrofluidic components;
  • Custom optical setup for femtosecond LIBS measurements.

 

Contacts

Prof. Valdas Sirutkaitis

Laser Research Center

Faculty of Physics

E-mail:

More about center: http://www.lasercenter.vu.lt/en

 

Department for Research and Innovation

Vilnius University

Phone: +370 5 268 7006

E-mail:

More information: https://www.vu.lt/verslui/

 

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