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: Thomas Wriedt, 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 Nieminen, T. A.
Bishop, A. I.
Heckenberg, N. R.
Rubinsztein-Dunlop, H.
Title of paper Polarimetric Measurement of Optical Torque
Conference Paper Type Fully Published Paper
Conference name 7th Conference on Electromagnetic and Light Scattering by Nonspherical Particles: Theory, Measurements, and Applications
Conference location Bremen, Germany
Conference dates 8-12 September 2003
Proceedings title Electromagnetic and Light Scattering - Theory and Applications VII
Editor Thomas Wriedt
Place published Bremen, Germany
Publisher Universität Bremen
Publication date 2003
Volume number 89
Issue number 1-4
ISBN 978-3-88722-579-7; 3-88722-579-1
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 Optical tweezers
Optical trapping
Optical torque
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown
 
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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