Measurement of small light absorption in microparticles by means of optically induced rotation

O. V. Angelsky, A. Ya Bekshaev, P. P. Maksimyak, A. P. Maksimyak, Steen Grüner Hanson

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Abstract

The absorption parameters of micro-particles have been associated with the induced spin exerted upon the particle, when embedded in a circularly polarized coherent field. The induced rotational speed is theoretically analyzed, showing the influence of the beam parameters, the parameters of the particle and the tribological parameters of the surrounding fluid. The theoretical findings have been adequately confirmed in experiments. (C)2015 Optical Society of America
Original languageEnglish
JournalOptics Express
Volume23
Issue number6
Pages (from-to)7152-7163
ISSN1094-4087
DOIs
Publication statusPublished - 2015

Keywords

  • OPTICS
  • HOMOGENEOUS SPHERE
  • REFRACTIVE-INDEX
  • LASER-RADIATION
  • PARTICLES
  • FORCES
  • SCATTERING
  • MOMENTUM
  • FIELDS
  • TORQUE
  • BEAMS

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