IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Articole din publicaţii internaţionale by Subject "laser beams"

Browsing Articole din publicaţii internaţionale by Subject "laser beams"

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  • Design of titania nanotube structures by focused laser beam direct writing 
    ENACHI, Mihai; STEVENS-KALCEFF, Marion A.; SARUA, Andrei; URSAKI, Veaceslav; TIGINYANU, Ion (AIP Publishing LLC, 2013)
    In this work, we report on electrochemical fabrication of titania films consisting of nanotubes (NTs) and their treatment by focused laser beam. The results of sample characterization by optical and scanning electron ...
  • Investigation of red-emitting distributed Bragg reflector lasers by means of numerical simulations 
    TRONCIU, Vasile Z.; WENZEL, Hans; RADZIUNAS, Mindaugas; REGGENTIN, Matthias; WIEDMANN, Jörg; KNIGGE, Andrea (The Institution of Engineering and Technology, 2018)
    The authors report theoretical and experimental results on the properties of distributed Bragg reflector semiconductor lasers. Using the traveling wave equation model, they show that a proper choice of coupling coefficient ...
  • Optical mixing in THz Schottky diodes 
    SCHOENHERR, D.; COJOCARI, O.; SYDLO, C.; GOEBEL, T.; FEIGINOV, M.; HARTNAGEL, H. L.; MEISSNER, P. (IEEE, 2008)
    This paper presents the effect of optical mixing in zero-bias InGaAs Schottky detectors at THz frequencies. The excitation of ultrafast carriers by illumination with two 1.5 mum laser beams is verified. This proves the ...
  • Spectral control of light action on biological particles inside soft biological tissue 
    BARUN, Vladimir; DICK, Serghei; SONTEA, Victor; SERYAKOV, Alexandr; YASHIN, Konstantin (IEEE, 2013)
    Gradient forces formed by speckle structures in laser-irradiated biological tissue are studied. Speckle fields and some their parameters, such as speckle sizes, are theoretically evaluated. Multi-layered human skin is taken ...

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