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Optical Engineering

Multilevel optical information recording in silver-containing photosensitive glasses by UV laser pulses
Author(s): Veronika V. Gorbiak; Alexander I. Sidorov; Vladimir N. Vasilyev; Viktor D. Dubrovin; Nikolay V. Nikonorov
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Paper Abstract

It is experimentally shown that silver-containing silicate photosensitive glasses can be used for multilevel optical information recording using UV nanosecond laser pulses. Information can be recorded by the creation of luminescent centers, which are neutral silver molecular clusters, or silver nanoparticles with plasmon resonance using additional thermal treatment. It is shown that silver nanoparticles formed in glass have spheroidal shapes and have dielectric shells. Multilevel optical information recording can be performed by modulation of luminescence or absorption intensity varying UV laser irradiation dose. The effect of dopants (Ce, Sb, and Cl) on the recording process is shown. The described methods allow to record optical information in octal and hexadecimal number systems.

Paper Details

Date Published: 26 April 2017
PDF: 7 pages
Opt. Eng. 56(4) 047104 doi: 10.1117/1.OE.56.4.047104
Published in: Optical Engineering Volume 56, Issue 4
Show Author Affiliations
Veronika V. Gorbiak, ITMO Univ. (Russia)
Alexander I. Sidorov, ITMO Univ. (Russia)
Vladimir N. Vasilyev, ITMO Univ. (Russia)
Viktor D. Dubrovin, ITMO Univ. (Russia)
Nikolay V. Nikonorov, ITMO Univ. (Russia)

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