About us

The Laser & Fiber Electronics Group (LFEG) is a team of young, ambitious researchers with a wide and complementary range of competences: from basic physics up to advanced mechanical engineering and electronics. The group has extensive experience in the applied and practical laser physics, fiber optics and optoelectronics. The works currently carried out in the LFEG include:

  • research on the use of nanomaterials to generate ultra-short laser pulses,
  • design and practical implementation of pulse fiber optic systems in the spectral range from visible to medium infrared light (including laser systems for biomedical applications, high power amplifiers and laser spectroscopy),
  • developing new concepts of continuous fiber optic amplifiers,
  • developing the technique of coherent summation of laser beams,
  • development of practically applicable spectroscopic techniques in the range of medium infrared and THz radiation (current work is focused on dispersion and photothermal spectroscopy based on cw sources, the use of anti-resonance optical fibers in compact gas trace sensors, spectroscopy using one and two optical combs),
  • laser vibrometry and its practical applications in medicine,
  • continuous and pulse solid state lasers,
  • problem solving in the field of advanced analog and digital electronics.
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The Group has an established position in the world. Its research is widely recognized, as evidenced by the fact that the work carried out in the last five years has been cited about 1500 times. LFEG cooperates with numerous scientific groups both from Poland (e.g. from the Nicolaus Copernicus University, Maria Curie-Skłodowska University, Warsaw University of Technology, University of Warsaw, ITME, AGH) and from abroad (e.g. from Sweden, Austria, China, USA, France, Korea) as well as with industrial partners (including Trumpf GmbH, Fibrain). The Group’s ambition is the comprehensive implementation of research works and the transfer of basic research results to the application sphere, as evidenced by the implemented prototypes:

  • a compact fiber optic oscillator for the 1560 nm range with a saturable grapheme- based absorber,
  • a tunable laser system generating pulses of approx. 100 fs duration in the wave frequency range of 1560 – 2100 nm,
  • integrated continuous fiber optic amplifiers for 1 and 1.55 µm spectral ranges with an average power of up to 40 W,
  • a stabilized single frequency laser working at 532 nm for metrological applications.

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