26 April 2017 Multilevel optical information recording in silver-containing photosensitive glasses by UV laser pulses
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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.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Veronika V. Gorbiak, Veronika V. Gorbiak, Alexander I. Sidorov, Alexander I. Sidorov, Vladimir N. Vasilyev, Vladimir N. Vasilyev, Viktor D. Dubrovin, Viktor D. Dubrovin, Nikolay V. Nikonorov, Nikolay V. Nikonorov, } "Multilevel optical information recording in silver-containing photosensitive glasses by UV laser pulses," Optical Engineering 56(4), 047104 (26 April 2017). https://doi.org/10.1117/1.OE.56.4.047104 . Submission: Received: 18 March 2017; Accepted: 13 April 2017
Received: 18 March 2017; Accepted: 13 April 2017; Published: 26 April 2017
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