Position control of micrometer-sized particle with evanescent photon force

Sophear Nam; Norihiro Umeda; Atsuo Takayanagi

doi:10.1117/12.449531

5 December 2001 Position control of micrometer-sized particle with evanescent photon force

Sophear Nam, Norihiro Umeda, Atsuo Takayanagi

Author Affiliations +

Proceedings Volume 4456, Controlling and Using Light in Nanometric Domains; (2001) https://doi.org/10.1117/12.449531
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Two evanescent fields were generated on prism surface by incidence of two laser beams from opposite side of the prism at total internal reflection angle. Using photon force of these two evanescent fields, a small particle can be moved backward and forward, and trapped on prism surface. The experimental result shows that a latex sphere of radius 10micrometers can be moved automatically between two points with an error of 9 micrometers . Trapping experiment also shows a clear effect on keeping the position of a small particle against the Brownian motion and flow of water.

Citation Download Citation

Sophear Nam, Norihiro Umeda, and Atsuo Takayanagi "Position control of micrometer-sized particle with evanescent photon force", Proc. SPIE 4456, Controlling and Using Light in Nanometric Domains, (5 December 2001); https://doi.org/10.1117/12.449531

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