Laser-actuated micro-valves and micro-pumps

Aoqun Jian, Kai Zhang, Yu Wang, Xuming Zhang

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

2 Citations (Scopus)

Abstract

This paper describes a micro-pumping technology using laser induced thermal bubbles, which offers greater flexibility for selective control of flow directions in microfluidic chips. Without complicated fabrication, the bubble in the microchannel could be created by focusing a continuous-wave laser onto the patterned metal pad. Experiments demonstrate that the flow direction can be freely chosen at a T-junction and the flow velocity could be adjusted from 100 to 400 μm/s in real time by adjusting the laser power. This technology can be readily incorporated into the lab-on-a-chip systems for flexible microfluidic manipulation.
Original languageEnglish
Title of host publication2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Pages314-317
Number of pages4
DOIs
Publication statusPublished - 1 Sep 2011
Event2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11 - Beijing, China
Duration: 5 Jun 20119 Jun 2011

Conference

Conference2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Country/TerritoryChina
CityBeijing
Period5/06/119/06/11

Keywords

  • continuous-wave laser
  • laser cavitation
  • micro-pump
  • Microfluidics

ASJC Scopus subject areas

  • Hardware and Architecture
  • Electrical and Electronic Engineering

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