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  • Optical and photoelectrical features in nanocrystalline indium oxide 
    FORSH, Ekaterina; MARTYSHOV, Mikhail; FORSH, Pavel; KASHKAROV, Pavel (Tehnica UTM, 2014)
    Spectral dependencies of absorption coefficient and persistent photoconductivity in nanocrystalline indium oxide (In2O3) are studied. Nanostructured In2O3 samples with various nanocrystals size are prepared by sol-gel ...
  • Optical bistability in transmission of thin semiconductor film without external feedback 
    KHADZHI, Pyotr; MARKOV, Dmitriy; COROVAI, Alexandru (Technical University of Moldova, 2005)
    The optical bistability phenomenon in the steady-state light transmission by a thin semiconductor film is studied taking into account two-pulse two-photon excitation of biexcitons from the ground state of the crystal. It ...
  • Optical characterization of Mo1−xWxS2 single crystals 
    DUMCENCO, Dumitru; HUANG, Ying-Sheng; HO, Ching-Hwa; COLEV, Andrei; GHERMAN, Cornel; KULYUK, Leonid; TIONG, Kwong-Kaw (Technical University of Moldova, 2009)
    A systematic optical study of Mo1-xWxS2 single crystals grown by the chemical vapor transport method in a wide range composition (0 ≤ x ≤ 1) is presented. The optical characterization was carried out using piezoreflectance ...
  • Optical Dosimetry for Controlling the Efficiency of Laser Phototherapy 
    ASIMOV, M. M.; ASIMOV, R. M.; RUBINOV, A. N.; GISBRECHT, A. I. (Technical University of Moldova, 2011)
    The results in vivo investigation biophotonics of laser-induced photodissosiation of oxyhemoglobin in cutaneous blood vessels and its role in biomedical processes are presented. New method for determination an individual ...
  • Optical fibers and dispersion in optical fibers Types of dispersion 
    MOROZAN, Pavel; SOROCHIN, Serafima; LACHI, Arina; SAVA, Lilia (Technical University of Moldova, 2017)
    In this paper ensue to be characterized all types of optical fibers and their features, also the phenomenon of dispersion and the reasons of its appearance or occurance. By means of all pictures shown below in the paper, ...
  • Optical methods and devices for elimination of carbon monoxide toxic effect on human body. 
    ASIMOV, M.; ASIMOV, R.; PLAVSKII, V.; VLADIMIROV, D. (Tehnica UTM, 2013)
    New approach to carbon monoxide poisoning treatment based on laser-induced photodissociation of the carboxyhemoglobin is proposed. Using the simple model of laser tissue interaction the action spectra of laser radiation ...
  • Optical Power Control Module 
    GRITZCO, Andrei; ZAVRAJNYI, Sergey; STALBE, Andrei; NICA, Iurie (Technical University of Moldova, 2011)
    This article describes the optical power control module, of laser diodes, which is included in the therapy installation using local hyperthermia. The function of this module is to produce and maintain, during the entire ...
  • Optical properties and photoconductivity of amorphous As2Se3:Sn thin films 
    HAREA, D. V.; IOVU, M. S.; COLOMEICO, E. P.; COJOCARU, I. A.; HAREA, E.; IOVU, M. A. (Technical University of Moldova, 2011)
    From scientific point of view, because the composition of chalcogenide glass (ChG) determine the kind of structural units and the mean coordination number, in the present work the amorphous films of the As2Se3:Sny (y=0÷10.0 ...
  • Optical Properties and Photoinduced Anisotropy of PEPC-co-SY3 Nanocomposite 
    LOŞMANSCHII, Constantin; ACHIMOVA, Elena; ABASKIN, Vladimir; MESALCHIN, Alexei; PRISACAR, Alexandr; BOTNARI, Vladislav (Springer Nature Switzerland, 2023)
    In the present work, the optical properties of the PEPC-co-SY3 nanocomposite doped with gold nanoparticles are brought to light. The samples were prepared with 3 different concentrations of Au as well as a control sample ...
  • Optical Properties and the Stability at Radiation for Monocrystals ZnIn2S4 
    ARAMA, E.; GHEORGHIŢA, E.; PÎNTEA, V.; MACIUGA, A.; GUBCEAC, N. (Tehnica UTM, 2015)
    This study presents the results of investigations on the conductivity and irradiation stability of single crystals ZnIn2S4 in a wide range of incident electron energies ( 30 75 keV ) and the respective doses (1014 1020 ...
  • Optical Properties of Amorphous As-Se Thin Films 
    HAREA, D. V.; IOVU, M. S.; BENEA, V. G.; COLOMEICO, E. P.; COJOCARU, I. A. (Technical University of Moldova, 2011)
    Photostructural transformations in amorphous films of chalcogenide glasses (ChG) under light irradiation present scientific and practical interests. From scientific point of view, because the composition of ChG determine ...
  • Optical Properties of Phase Change Memory Ge1Sb2Te4 Glasses 
    IOVU, M. S.; COLOMEICO, E. P.; BENEA, V. G.; ANDRIESH, A. M. (Technical University of Moldova, 2011)
    Phase change memory materials are promising for the next-generation of non-volatile flash memory that will serve in new mobile computing, entertainment and other handheld electronics. Among them are chalcogenide glasses ...
  • Optical Properties of TlGaS2 Crystals 
    MASHNIC, A.; NEMERENCO, L.; SYRBU, N. N.; URSAKI, V. V.; ZALAMAI, V. V. (Technical University of Moldova, 2013)
    The anisotropy of transmission spectra was investigated in TlGaS2 crystals. An intensive transmission line was found in samples placed between two crossed polarizers. Ground and excited states of excitons were detected in ...
  • Optical Properties of ZnAl2Se4 Crystals 
    TIRON, A.; SYRBU, N.; ZALAMAI, V. (Tehnica UTM, 2015)
    Absorption, reflection and wavelength modulated reflection spectra were investigated in ZnAl2Se4 crystals. The energy positions of ground and excited states for three excitonic series (А, В and С) were determined. The main ...
  • Optical sensors and 2D all optical memory - new photonic devices based on plasmonic resonance 
    POPESCU, Aurelian (2014)
    In report is made the synthesis of the surface plasmon polariton propagation phenomenon. Methods such as Maxwell equations, Drude model used to describe the light confinement at the interface between two media are analyzed. ...
  • An Optimal Path Planning Proposal for Motion Robots with Specific Constraints Applicable in Biomedical Engineering 
    CORCIOVĂ, C.; TURNEA, M.; GHEORGHIŢĂ, A.; AROTĂRIŢEI, D. (Tehnica UTM, 2019)
    Optimal path planning for motion robots is an interesting research subject with many applications in various domains including biomedical applications when a mobile robot can distribute medication for patients. A fuzzy ...
  • Optimization of free energy gain procedures - fundamental goal for ensuring sustainable development 
    AGARWAL, Elena; BOŞNEAGA, Iurie (Technical University of Moldova, 2017)
    There is little consensus over the definition of life, and, consequently, development and its optimization. We consider that the fundamental distinction of living beings (organisms) - in contrast to lifeless (inanimate) ...
  • Optimization of light action spectra for porphyrins in vivo 
    BARUN, V.; DICK, S.; SONTEA, V.; ABRAMOVICH, N.; SERYAKOV, A. (Tehnica UTM, 2014)
    Light action spectra for main skin chromophores are simulated. Porphyrins are selected as target chromophores. They can produce singlet oxygen (SO) reactions under tissue irradiation, which acts as a natural photosensitizer. ...
  • An Optimized Compounding Approach to Ultrasond Imaging 
    KERNER, Yair; PORAT, Moshe (Technical University of Moldova, 2011)
    We develop an optimized approach to exploit pairs of ultrasound scans of the same image plane with the aim of enhancing the quality of ultrasound imaging. Each image pair is assumed to be co-registered with 90° separation ...
  • Optimized growth of VO2 thin films by metalorganic aerosol deposition 
    SHAPOVAL, O.; BELENCHUK, A.; ZASAVITCHI, E.; VATAVU, S.; CHIRITA, A. (Technical University of Moldova, 2017)
    VO2 is a unique strongly correlated material that possesses a first order phase transition from tetragonal to monoclinic structure at near room temperature (68℃) with simultaneous ultrafast changes in electrical and optical ...

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