Scientific Results

Printing of polymer microlenses by a pyroelectrohydrodynamic dispensing approach

Year: 2012

Authors: Grimaldi I.A., Coppola S., Loffredo F., Villani F., Minarini C., Vespini V., Miccio L., Grilli S., Ferraro P.

Autors Affiliation: ENEA—Portici Research Center, piazzale Enrico Fermi 1, 80055 Portici (NA), Italy;
CNR—Istituto Nazionale di Ottica Applicata, via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy;
Università degli Studi di Napoli “Federico II”, Facoltà di Ingegneria P.le Tecchio 80, 80125 Napoli, Italy

Abstract: The investigation of a method for fabricating microlenses by a nozzle-free inkjet printing approach is reported. The new method, based on a pyroelectrohydrodynamic mechanism, is also able to dispense viscous liquids and to draw liquid phase drops directly from the reservoir. Specifically, by dispensing optical grade polymer dissolved in different solvent mixtures, microlenses were printed with a pattern defined directly through this deposition method. The reliability of the microlenses and the tunability of their focal properties were demonstrated through profilometric and inteferometric analyses. (C) 2012 Optical Society of America

Journal/Review: OPTICS LETTERS

Volume: 37 (13)      Pages from: 2460  to: 2462

More Information: Authors I. A. Grimaldi and S. Coppola contributed equally to this work. The work reported in this paper has been supported by the EFOR-CABIR CNR Project and the Laboratorio Pubblico Privato TRIPODE Project.
DOI: 10.1364/OL.37.002460

Citations: 22
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