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Proceedings Paper

Integrated optics on Lithium Niobate for sensing applications
Author(s): Annamaria Zaltron; Giacomo Bettella; Gianluca Pozza; R. Zamboni; M. Ciampolillo; N. Argiolas; C. Sada; Sebastian Kroesen; Michael Esseling; Cornelia Denz
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Paper Abstract

In micro-analytical chemistry and biology applications, optofluidic technology holds great promise for creating efficient lab-on-chip systems where higher levels of integration of different stages on the same platform is constantly addressed. Therefore, in this work the possibility of integrating opto-microfluidic functionalities in lithium niobate (LiNbO3) crystals is presented. In particular, a T-junction droplet generator is directly engraved in a LiNbO3 substrate by means of laser ablation process and optical waveguides are realized in the same material by exploiting the Titanium in-diffusion approach. The coupling of these two stages as well as the realization of holographic gratings in the same substrate will allow creating new compact optical sensor prototypes, where the optical properties of the droplets constituents can be monitored.

Paper Details

Date Published: 5 May 2015
PDF: 10 pages
Proc. SPIE 9506, Optical Sensors 2015, 950608 (5 May 2015); doi: 10.1117/12.2178457
Show Author Affiliations
Annamaria Zaltron, Univ. degli Studi di Padova (Italy)
Giacomo Bettella, Univ. degli Studi di Padova (Italy)
Gianluca Pozza, Univ degli Studi di Padova (Italy)
R. Zamboni, Univ. degli Studi di Padova (Italy)
M. Ciampolillo, Univ. degli Studi di Padova (Italy)
N. Argiolas, Univ. degli Studi di Padova (Italy)
C. Sada, Univ. degli Studi di Padova (Italy)
Sebastian Kroesen, Westfälische Wilhelms-Univ. Münster (Germany)
Michael Esseling, Westfälische Wilhelms-Univ. Münster (Germany)
Cornelia Denz, Westfälische Wilhelms-Univ. Münster (Germany)

Published in SPIE Proceedings Vol. 9506:
Optical Sensors 2015
Francesco Baldini; Jiri Homola; Robert A. Lieberman, Editor(s)

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