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Observation of laser-induced surface waves on flat silicon surface

Applied Physics Letters, ISSN: 0003-6951, Vol: 92, Issue: 1
2008
  • 48
    Citations
  • 0
    Usage
  • 33
    Captures
  • 0
    Mentions
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Metrics Details

  • Citations
    48
    • Citation Indexes
      48
  • Captures
    33

Article Description

We found that irradiation by a single femtosecond laser pulse produced a surface wave structure on a (100) silicon surface. The surface wave structure bearing a concentric shape was produced only in the edge regions in the direction of the electric field from the center. The increase in the number of irradiating pulses allowed the concentric structure gradually to align perpendicularly to the laser beam's electric field. The period of the surface wave structure was nearly equal to the wavelength of the irradiating laser pulse. In this accord, we propose that this structure is a precursor of ripple formation. © 2008 American Institute of Physics.

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