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Proceedings Paper

Imaging and characterization of surface relief gratings on azopolymer by digital holographic microscopy
Author(s): Alejandro Calabuig; Carmela Rianna; Vito Pagliarulo; Maurizio Ventre; Silvia Cavalli; Simonetta Grilli; Paolo A. Netti; Pietro Ferraro
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Paper Abstract

Azopolymer materials belong to family special materials, which are subject to photo-isomerization when illuminated by appropriate light wavelength. Optical characterization of azopolymer materials is interesting because they can be patterned when illuminated by coherent polarized light with potentially interesting applications in the biotechnology, photonic elements, molding templates, etch masks and micro-nanochannels. The interference lithography is an excellent tool to trigger the isomerization reaction on the material. During this work, switchable patterns were fabricated by means of a well established holographic set-up: surface relief gratings (SRGs) were realized with Lloyd’s mirror system. Moreover, optical characterization of the material was performed, starting from a commercial one and using a new way to analyse SRGs by means of Digital Holography Microscopy, to determine relevant parameters for the realization of the patterns with different shape and size. Some preliminary results of the influence of such patterns on the cell behavior were shown.

Paper Details

Date Published: 22 June 2015
PDF: 6 pages
Proc. SPIE 9529, Optical Methods for Inspection, Characterization, and Imaging of Biomaterials II, 95290L (22 June 2015); doi: 10.1117/12.2189205
Show Author Affiliations
Alejandro Calabuig, ISASI Institute of Applied Sciences & Intelligent Systems “E. Caianiello” (Italy)
Univ. of Naples Federico II (Italy)
Carmela Rianna, Istituto Italiano di Tecnologia (Italy)
Univ. of Naples Federico II (Italy)
Vito Pagliarulo, ISASI Institute of Applied Sciences & Intelligent Systems “E. Caianiello” (Italy)
Maurizio Ventre, Istituto Italiano di Tecnologia (Italy)
Univ. of Naples Federico II (Italy)
Silvia Cavalli, Istituto Italiano di Tecnologia (Italy)
Simonetta Grilli, ISASI Institute of Applied Sciences & Intelligent Systems “E. Caianiello” (Italy)
Paolo A. Netti, Istituto Italiano di Tecnologia (Italy)
Univ. of Naples Federico II (Italy)
Pietro Ferraro, ISASI Institute of Applied Sciences & Intelligent Systems “E. Caianiello” (Italy)


Published in SPIE Proceedings Vol. 9529:
Optical Methods for Inspection, Characterization, and Imaging of Biomaterials II
Pietro Ferraro; Simonetta Grilli; Monika Ritsch-Marte; David Stifter, Editor(s)

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