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Nonlinear optical properties of PbS quantum dots in boro-silicate glass

Malyarevich, Alexander M. and Gaponenko, Maxim S. and Savitski, Vasili G. and Yumashev, Konstantin V. and Rachkovskaya, Galina E. and Zakharevich, Galina B. (2007) Nonlinear optical properties of PbS quantum dots in boro-silicate glass. Journal of Non-Crystalline Solids, 353 (11-12). pp. 1195-1200. ISSN 0022-3093

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Abstract

PbS quantum dots synthesis in boro-silicate glass is presented. Absorption bleaching of PbS quantum dots of approximate to 4 and approximate to 7 nm in diameter dispersed in this glass has been studied. Bleaching relaxation time of 20-30 ps, absorption saturation fluence of approximate to 5 mJ/cm(2) and ground-state absorption cross-section of 2 divided by 6 X 10(-17) cm(2) at the wavelengths corresponding to the first excitonic absorption band maxima are measured.

Item type: Article
ID code: 37379
Keywords: nanocrystals, quantum wells, wires and dots, optical spectroscopy, ultrafast processes and measurements, boro-silicates, passive-mode locking, 1.3 MU-M, doped glass, neodymium lasers, saturable absorbers, relaxation, Optics. Light, Materials Chemistry, Ceramics and Composites, Electronic, Optical and Magnetic Materials, Condensed Matter Physics
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Institute of Photonics
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 05 Feb 2012 13:18
    Last modified: 05 Sep 2014 14:50
    URI: http://strathprints.strath.ac.uk/id/eprint/37379

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