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Kvantovaya Elektronika, 2015, Volume 45, Number 10, Pages 953–958 (Mi qe16248)  

This article is cited in 2 scientific papers (total in 2 papers)

Laser applications and other topics in quantum electronics

Highly sensitive nonlinear luminescent ceramics for volumetric and multilayer data carriers

E. F. Martynovicha, V. P. Dresvyanskiya, A. P. Voitovichb, S. N. Bagayevc

a Institute of Lazer Physics of Russian Academy of Sciences, Irkutsk Branch
b B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk
c Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk

Abstract: The interaction of optical ceramics based on wide-bandgap crystals with near-IR femtosecond laser radiation is studied experimentally. The formation of luminescent centres in LiF and MgF2 ceramics under the action of single laser pulses is considered. Two interaction regimes are used. In the regime of low-aperture focusing of laser radiation (800 nm, 30 fs, 0.3 mJ), multiple selffocusing and filamentation in the samples are observed. The luminescent centres are formed in thin channels induced by light filaments. The average effective self-focusing length is ≈100 μm; the formation of luminescent centres begins at this length and ceases at a wavelength of about 380 mm. The luminescent trace (spur) induced by a single laser filament was ≈30 μm long and 1.3 μm in diameter. The second regime of light interaction with the sample was based on high-aperture focusing with a simultaneous decrease in the laser pulse energy. This led to the formation of single pits with a diameter smaller than the optical diffraction limit. The luminescent centres induced by the laser radiation were aggregated colour centres. The mechanism of their creation included the highly-nonlinear generation of electron – hole pairs in the filamentation region, their recombination with the formation of anion excitons and the decay of excitons into Fresnel defects by the Lushchik–Vitol–Hersh–Pooley mechanism, as well as their recharging, migration and aggregation.

Keywords: ceramics, luminescence, femtosecond pulse, filamentation, self-focusing, colour centres, information pit.

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English version:
Quantum Electronics, 2015, 45:10, 953–958

Bibliographic databases:

PACS: 81.05.Je, 32.50.+d, 42.65.Jx, 42.65.Re, 42.79.Vb
Received: 25.11.2013
Revised: 22.02.2015

Citation: E. F. Martynovich, V. P. Dresvyanskiy, A. P. Voitovich, S. N. Bagayev, “Highly sensitive nonlinear luminescent ceramics for volumetric and multilayer data carriers”, Kvantovaya Elektronika, 45:10 (2015), 953–958 [Quantum Electron., 45:10 (2015), 953–958]

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    This publication is cited in the following articles:
    1. Martynovich E.F., Dresvyansky V.P., Rakevich A.L., Lazareva N.L., Arsentieva M.A., Tyutrin A.A., Bukhtsoozh O., Enkhbat S., Kostryukov P.V., Perminov B.E., Konyashchenko A.V., Appl. Phys. Lett., 114:12 (2019), 121901  crossref  isi  scopus
    2. Maksimova N.T., Terenin S.Yu., Mitova A.V., Urakov I.L., Ruzhnikov L.I., AIP Conference Proceedings, 2069, eds. Martynovich E., Grigorichev K., Stepanov F., Amer Inst Physics, 2019, UNSP 040005  crossref  isi
  • Квантовая электроника Quantum Electronics
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