Technical Physics Letters

, Volume 41, Issue 7, pp 701–704 | Cite as

Laser ablation of single-crystalline silicon by radiation of pulsed frequency-selective fiber laser

  • V. P. Veiko
  • A. M. Skvortsov
  • C. T. Huynh
  • A. A. Petrov
Article
  • 45 Downloads

Abstract

We have studied the process of destruction of the surface of a single-crystalline silicon wafer scanned by the beam of a pulsed ytterbium-doped fiber laser radiation with a wavelength of λ = 1062 nm. It is established that the laser ablation can proceed without melting of silicon and the formation of a plasma plume. Under certain parameters of the process (radiation power, beam scan velocity, and beam overlap density), pronounced oxidation of silicon microparticles with the formation of a characteristic loose layer of fine powdered silicon dioxide has been observed for the first time. The range of lasing and beam scanning regimes in which the growth of SiO2 layer takes place is determined.

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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  • V. P. Veiko
    • 1
  • A. M. Skvortsov
    • 1
  • C. T. Huynh
    • 1
  • A. A. Petrov
    • 1
  1. 1.St. Petersburg National Research University of Information Technologies, Mechanics and OpticsSt. PetersburgRussia

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