Picosecond laser fabrication of microchannels inside Foturan glass at CO2 laser irradiation and following etching

  • M. M. Sergeev
  • V. P. Veiko
  • E. Y. Tiguntseva
  • R. O. Olekhnovich
Part of the following topical collections:
  1. Laser Technologies and Laser Applications


In this work, the formation of hollow-type microchannels in the bulk of a photostructurable glass of the brand Foturan is proposed. It is based on the chemical dissolution of crystallized areas, which are formed as a result of the action of picosecond laser pulses and photothermal treatment produced by CO2 laser irradiation. A speed of formation of microchannels was estimated. Microchannels formation features at each stage of laser irradiation are discussed, and the dependence of microchannels characteristics (size, shape and roughness of inner walls) on laser processing and chemical etching parameters were evaluated as well.


Photostructurable glass Picosecond laser pulses Photothermal treatment Phase transformation Chemical etching 



The study was supported by a grant from leading universities of the RF (subsidy 074-U01) and RSF Agreement No. 14-12-00351. Also, the authors are grateful to Galina K. Kostyuk for her help with the discussion of results.


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • M. M. Sergeev
    • 1
  • V. P. Veiko
    • 1
  • E. Y. Tiguntseva
    • 1
  • R. O. Olekhnovich
    • 1
  1. 1.ITMO UniversitySaint PetersburgRussia

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