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      Forces and torques on the nanoscale: from measurement to applications

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      Author(s)
      Volpe,Giovanni
      Date
      2012
      Source Title
      Proceedings of SPIE Vol. 8458, Optical Trapping and Optical Micromanipulation IX
      Print ISSN
      0277-786X
      Publisher
      SPIE
      Volume
      8458
      Pages
      1 - 10
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      The possibility of measuring microscopic forces down to the femtonewton range has opened new possibilities in fields such as biophysics and nanophotonics. I will review some of the techniques most often employed, namely the photonic force microscope (PFM) and the total internal reflection microscope (TIRM), which are able to measure tiny forces acting on optically trapped particles. I will then discuss several applications of such nanoscopic forces: from plasmonic optical manipulation, to self-propelled microswimmers, to self-organization in large ensembles of particles.
      Keywords
      Brownian motion
      Force
      Nanoscience
      Optical tweezers
      Photonic force microscope
      Plasmonics
      Torque
      Total internal reflection microscopy
      Permalink
      http://hdl.handle.net/11693/28124
      Published Version (Please cite this version)
      http://dx.doi.org/10.1117/12.929409
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      • Department of Physics 2397
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