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

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Pozza G., Kroesen S., Bettella G., Zaltron A., Esseling M., Mistura G., Sartori P., Chiarello E., Pierno M., Denz C., Sada C.

Optofluidics, Microfluidics and Nanofluidics

2014

vol. 1

issue 1

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.

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1 Optofluidics, Microfluidics and Nanofluidics

1 2014

1 Bettella G.

1 Chiarello E.

1 Denz C.

1 Esseling M.

1 Kroesen S.

1 Mistura G.

1 Pierno M.

1 Pozza G.

1 Sada C.

1 Sartori P.

1 Zaltron A.

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