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Proceedings Paper

Investigation on overpoled lithium niobate patterned crystal
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Paper Abstract

We investigate the domain structure obtained on overpoled both sides polished z-cut Lithium Niobate crystal sample by applying an electric field on periodic liquid electrodes. Lithium Niobate sample was spatially patterned with photoresist by use of interference photolithographic process. The sample was then etched in a mixture of hydrofluoric and nitric acid to reveal the reversed domains. The different etch rate of the two opposite z faces of the crystal domains allowed to measure the surface profile of the sample by using a profilometer. Overpoling the crystal caused the appearance of high density and submicrometer spacing single dot domains vertically aligned along the direction of the interference fringes in the patterned region. (Summary only available)

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.529994
Show Author Affiliations
Simonetta Grilli, Istituto Nazionale di Ottica Applicata (Italy)
Sergio M. De Nicola, Istituto di Cibernetica (Italy)
Pietro Ferraro, Istituto per la Microelettronica e Microsistemi (Italy)
Andrea Finizio, Istituto di Cibernetica (Italy)
Paolo De Natale, Istituto Nazionale di Ottica Applicata (Italy)
Mario Iodice, Istituto per la Microelettronica e Microsistemi (Italy)
Giovanni Pierattini, Istituto di Cibernetica (Italy)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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