Pyroelectric effect inducing trapping of particles on periodically poled lithium niobate crystals

P. Ferraro; S. Grilli

doi:10.1117/12.784446

23 April 2008 Pyroelectric effect inducing trapping of particles on periodically poled lithium niobate crystals

P. Ferraro, S. Grilli

Proceedings Volume 6988, Nanophotonics II; 69881C (2008) https://doi.org/10.1117/12.784446
Event: SPIE Photonics Europe, 2008, Strasbourg, France

Abstract

The possibility to use periodically poled lithium niobate structures for dielectrophoretic trapping of dielectric particles was investigated. The trapping effect was achieved through the development of opposite electrical charges on z+ and z- faces of a crystal when subject to temperature variation. Appropriate oil suspensions of dielectric particles were used for the experiments which show the possibility to trap those particles by means of the pyroelectric effect in correspondence of the reversed ferroelectric domain areas. Results are presented while perspectives of exploitation in different fields are illustrated.

Citation Download Citation

P. Ferraro and S. Grilli "Pyroelectric effect inducing trapping of particles on periodically poled lithium niobate crystals", Proc. SPIE 6988, Nanophotonics II, 69881C (23 April 2008); https://doi.org/10.1117/12.784446

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