Pattern formation and flow control of fine particles by laser-scanning micromanipulation

Keiji Sasaki, Masanori Koshioka, Hiroaki Misawa, Noboru Kitamura, Hiroshi Masuhara

Research output: Contribution to journalArticlepeer-review

235 Scopus citations

Abstract

A novel micromanipulation technique is proposed for aligning fine particles on micrometer-scale spatial patterns and for moving the particles continuously along the formed patterns. This technique is based on the repetitive scanning of a focused trapping laser beam. The velocity of the particle flow can be controlled by scan speed and laser power. The origin of the driving force is considered theoretically and experimentally.

Original languageEnglish
Pages (from-to)1463-1465
Number of pages3
JournalOptics Letters
Volume16
Issue number19
DOIs
StatePublished - 1 Oct 1991

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