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Optofluidics, Microfluidics and Nanofluidics

formerly Optofluidics

Ed. by Sada, Cinzia

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T-junction droplet generator realised in lithium niobate crystals by laser ablation

G. Pozza / S. Kroesen
  • Nonlinear Photonics Group, Institute of Applied Physics, University of Münster Corrensstrasse 2/4, 48149 Münster, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ G. Bettella / A. Zaltron
  • Corresponding author
  • Physics and Astronomy Department, University of Padua, Via Marzolo 8, 35131 Padua, Italy and Nonlinear Photonics Group, Institute of Applied Physics, University of Münster Corrensstrasse 2/4, 48149 Münster, Germany
  • Email
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ M. Esseling
  • Nonlinear Photonics Group, Institute of Applied Physics, University of Münster Corrensstrasse 2/4, 48149 Münster, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ G. Mistura / P. Sartori / E. Chiarello / M. Pierno / C. Denz
  • Nonlinear Photonics Group, Institute of Applied Physics, University of Münster Corrensstrasse 2/4, 48149 Münster, Germany
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ C. Sada
Published Online: 2014-11-19 | DOI: https://doi.org/10.2478/optof-2014-0003


A femtosecond laser at 800 nm was used to create micro-fluidic circuits on lithium niobate (LiNbO3) substrates by means of laser ablation, using different scanning velocities (100-500 μm/s) and laser pulse energies (1-20 μJ). The T-junction geometry was exploited to create on y-cut LiNbO3 crystals a droplet generator, whose microfluidic performance was characterized in a wide range of droplet generation frequencies, from few Hz to about 1 kHz.

This article offers supplementary material which is provided at the end of the article.

Keywords : Microfluidic; lithium niobate; laser ablation; droplet generator; T-junction


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About the article

Received: 2014-07-25

Accepted: 2014-09-24

Published Online: 2014-11-19

Published in Print: 2014-01-01

Citation Information: Optofluidics, Microfluidics and Nanofluidics, Volume 1, Issue 1, ISSN (Online) 2300-7435, DOI: https://doi.org/10.2478/optof-2014-0003.

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© 2014. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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