Femtosecond laser processing of Ag/CdS doped oxide glasses

  • Georgiy Shakhgildyan Mendeleev University of Chemical Technology of Russia, 9 Miusskaya sq., Moscow, Russia
  • Maxim Vetchinnikov Mendeleev University of Chemical Technology of Russia, 9 Miusskaya sq., Moscow, Russia
  • Alexey Lipatiev Mendeleev University of Chemical Technology of Russia, 9 Miusskaya sq., Moscow, Russia
  • Sergey Lotarev Mendeleev University of Chemical Technology of Russia, 9 Miusskaya sq., Moscow, Russia
  • Vladimir Sigaev Mendeleev University of Chemical Technology of Russia, 9 Miusskaya sq., Moscow, Russia
DOI: https://doi.org/10.34624/nmse.v2i1.6322
Keywords: femtosecond laser processing, direct laser writing, glass, nanoparticles

Abstract

Femtosecond laser processing (FLP) of oxide glasses doped with photosensitive agents (noble metals and semiconductors) opens new routes for precise space-selective tuning of material properties and development of functional photonic devices including integrated waveguides, optical switches, and volume optical memory. In this study, we showed how FLP can be used for the spatially-selective formation of micron-sized luminescent domains in the bulk of Agdoped phosphate and Ag/CdS-doped silicate glasses. Multiphoton ionization caused by FLP leads to local heating of glass in the focal point, which initiates the precipitation and growth of luminescent Ag nanoclusters and CdS quantum dots in the periphery of the domains. The luminescence intensity of the formed domains depends on the laser exposure parameters, such as pulse energy and number of pulses that can be used in the future for multilevel optical data recording.

Published
2020-03-09
Issue
Vol 2 No 1 (2020): Nanomaterials Science & Engineering
Section
Articles

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