Nature Communications (Aug 2018)

Isolated detection of elastic waves driven by the momentum of light

  • Tomaž Požar,
  • Jernej Laloš,
  • Aleš Babnik,
  • Rok Petkovšek,
  • Max Bethune-Waddell,
  • Kenneth J. Chau,
  • Gustavo V. B. Lukasievicz,
  • Nelson G. C. Astrath

Journal volume & issue
Vol. 9, no. 1
pp. 1 – 11


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The exact mechanism of momentum conversion from light to an object has varied descriptions in the literature and experimental verifications are difficult. Here the authors do an in-depth experimental and numerical study of the momentum dynamics of elastic waves in a dielectric mirror hit by a pulsed laser beam.