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Optics and Spectroscopy, 2020, Volume 128, Issue 9, Pages 1290–1295
DOI: https://doi.org/10.21883/OS.2020.09.49867.90-20
(Mi os305)
 

This article is cited in 6 scientific papers (total in 6 papers)

Holography

Photoinduced absorption and pulsed recording of dynamic holograms in bismuth silicate crystals

I. G. Dadenkova, A. L. Tolstika, Yu. I. Miksiukb, K. A. Saechnikovb

a Belarusian State University, Minsk, Belarus
b Belarusian State Pedagogical University, Minsk, Belarus
Full-text PDF (604 kB) Citations (6)
Abstract: Dynamics of the photoinduced absorption and holographic-grating recording in photorefractive bismuth silicate crystal has been studied. It has been shown that, with the use of nanosecond laser pulses and at the intensity above 1 МW/cm$^{2}$, the induced absorption takes place due to population of the short-lived trapping levels having the characteristic relaxation times from milliseconds to a few tens of milliseconds. Recording of dynamic holograms in bismuth silicate has been realized in these conditions. Two mechanisms of holographic grating recording have been established, with the lifetimes differing by three orders of magnitude. Though the intensities are relatively low, below or on the order of 1 MW/cm$^{2}$, the medium response is determined by a photorefractive nonlinearity mechanism with relaxation times at a level of several seconds. The intensities above 5 MW/cm$^{2}$ are associated with fast components (ms relaxation times) appearing due to population of short-lived traps. It has been demonstrated that a contribution of each mechanism is dependent on the intensity of laser radiation and that, for the intensities above 10–15 MW/cm$^{2}$, the decisive part is played by the short-lived traps with lifetimes on the order of milliseconds.
Keywords: holography, dynamic holograms, photoinduced absorption, sillenites, bismuth silicate.
Received: 15.03.2020
Revised: 15.03.2020
Accepted: 20.05.2020
English version:
Optics and Spectroscopy, 2020, Volume 128, Issue 9, Pages 1401–1406
DOI: https://doi.org/10.1134/S0030400X20090052
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: I. G. Dadenkov, A. L. Tolstik, Yu. I. Miksiuk, K. A. Saechnikov, “Photoinduced absorption and pulsed recording of dynamic holograms in bismuth silicate crystals”, Optics and Spectroscopy, 128:9 (2020), 1290–1295; Optics and Spectroscopy, 128:9 (2020), 1401–1406
Citation in format AMSBIB
\Bibitem{DadTolMik20}
\by I.~G.~Dadenkov, A.~L.~Tolstik, Yu.~I.~Miksiuk, K.~A.~Saechnikov
\paper Photoinduced absorption and pulsed recording of dynamic holograms in bismuth silicate crystals
\jour Optics and Spectroscopy
\yr 2020
\vol 128
\issue 9
\pages 1290--1295
\mathnet{http://mi.mathnet.ru/os305}
\crossref{https://doi.org/10.21883/OS.2020.09.49867.90-20}
\elib{https://elibrary.ru/item.asp?id=44154091}
\transl
\jour Optics and Spectroscopy
\yr 2020
\vol 128
\issue 9
\pages 1401--1406
\crossref{https://doi.org/10.1134/S0030400X20090052}
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  • https://www.mathnet.ru/eng/os/v128/i9/p1290
  • This publication is cited in the following 6 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Optics and Spectroscopy Optics and Spectroscopy
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