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Polarimetric Measurement of Optical Torque

Nieminen, T. A., Bishop, A. I., Heckenberg, N. R. and Rubinsztein-Dunlop, H. (2003). Polarimetric Measurement of Optical Torque. In: Wriedt, T. Electromagnetic and Light Scattering - Theory and Applications VII / 7th Conference on Electromagnetic and Light Scattering by Nonspherical Particles: Theory, Measurements, and Applications, Bremen, Germany, (267-270). 8-12 September, 2003.

 
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Author(s) Nieminen, T. A.
Bishop, A. I.
Heckenberg, N. R.
Rubinsztein-Dunlop, H.
Title of paper Polarimetric Measurement of Optical Torque
Conference name Electromagnetic and Light Scattering - Theory and Applications VII / 7th Conference on Electromagnetic and Light Scattering by Nonspherical Particles: Theory, Measurements, and Applications
Conference location Bremen, Germany
Conference dates 8-12 September, 2003
Editor(s) Wriedt, T.
Publication date 2003
Start page 267
End page 270
Total pages 4
Language eng
Abstract/Summary We demonstrate accurate, purely optical measurement of optical torques acting on particles composed of either isotropic or birefringent materials. Since the optical torque primarily depends on changes in the spin angular momentum of the light during scattering, the change in the angular momentum, and hence the optical torque, can be determined by measurement of the polarisation of the scattered field.
Subjects 240400 Optical Physics
Keyword(s) optical tweezers
optical trapping
optical torque
 
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Created: Thu, 08 Sep 2005, 10:00:00 EST by Timo Nieminen on behalf of School of Mathematics & Physics. Detailed History