Application of a flow generated by IR laser and AC electric field in micropumping and micromixing

Michihiko Nakano, A. Mizuno

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this paper, it is described that measurement of fluid flow generated by simultaneous operation of an infrared (IR) laser and AC electric field in a microfabricated channel. When an IR laser (1026 nm) was focused under an intense AC electric field, a circulating flow was generated around the laser focus. The IR laser and the electric field generate two flow patterns of the electrohydrodynamicss. When the laser focus is placed at the center of the gap between electrodes, the flow pattern is parallel to the AC electric field toward electrodes from the centre. On the other hand, when the laser focus is placed close to one of the electrodes, one directional flow is generated. First flow pattern can be used as a micromixer and the second one as a micropump. Flow velocity profiles of the two flow patterns were measured as a function of the laser power, intensity of the AC electric field and AC frequency.

Original languageEnglish
Article number012021
JournalJournal of Physics: Conference Series
Volume142
DOIs
Publication statusPublished - Jan 1 2008

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infrared lasers
alternating current
flow distribution
electric fields
lasers
electrodes
fluid flow
flow velocity
velocity distribution

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Application of a flow generated by IR laser and AC electric field in micropumping and micromixing. / Nakano, Michihiko; Mizuno, A.

In: Journal of Physics: Conference Series, Vol. 142, 012021, 01.01.2008.

Research output: Contribution to journalArticle

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