Sub-micron particle delivery using evanescent field

Mojmír Šerý; Martin Šiler; Tomáš Čiźmár; Petr Jákl; Pavel Zemánek

doi:10.1117/12.623022

11 October 2005 Sub-micron particle delivery using evanescent field

Mojmír Šerý, Martin Šiler, Tomáš Čiźmár, Petr Jákl, Pavel Zemánek

Proceedings Volume 5958, Lasers and Applications; 59580L (2005) https://doi.org/10.1117/12.623022
Event: Congress on Optics and Optoelectronics, 2005, Warsaw, Poland

Abstract

We present an optical conveyor belt that provides trapping and subsequent precise delivery of several sub-micron particles over a distance of tens of micrometers. This tool is based on a standing wave (SW) created from two counter-propagating evanescent beams where the phase of one of the beams can be changed. Therefore, the whole structure of SW nodes and antinodes moves and deliver confined microobjects to specific regions. Based on the theoretical calculations we confirm experimentally that certain sizes of polymer particles can be more easily delivered but other sizes do not feel the SW motion at all.

Citation Download Citation

Mojmír Šerý, Martin Šiler, Tomáš Čiźmár, Petr Jákl, and Pavel Zemánek "Sub-micron particle delivery using evanescent field", Proc. SPIE 5958, Lasers and Applications, 59580L (11 October 2005); https://doi.org/10.1117/12.623022

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