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Proceedings Paper

Fabrication and test of polymeric microaxicons
Author(s): F. Merola; S. Coppola; V. Vespini; S. Grilli; P. Ferraro; D. Balduzzi; A. Galli; R. Puglisi
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Paper Abstract

A digital holographic characterization of Bessel beams produced by polymeric microaxicons is reported. Both intensity and phase of the beam can be numerically reconstructed in whichever point starting from a single acquired hologram. Optical parameters such as the full width at half maximum, the focal length and the depth of focus of the axicon lens are experimentally measured. The Bessel beam exiting from the axicon, with a very large depth of focus with respect to that of a Gaussian beam, is successfully exploited for optical trapping of micrometric objects.

Paper Details

Date Published: 8 May 2012
PDF: 11 pages
Proc. SPIE 8428, Micro-Optics 2012, 84280P (8 May 2012); doi: 10.1117/12.922572
Show Author Affiliations
F. Merola, Istituto Nazionale di Ottica (Italy)
S. Coppola, Istituto Nazionale di Ottica (Italy)
Univ. degli Studi di Napoli (Italy)
V. Vespini, Istituto Nazionale di Ottica (Italy)
S. Grilli, Istituto Nazionale di Ottica (Italy)
P. Ferraro, Istituto Nazionale di Ottica (Italy)
D. Balduzzi, Istituto Sperimentale Italiano Lazzaro Spallanzani (Italy)
A. Galli, Istituto Sperimentale Italiano Lazzaro Spallanzani (Italy)
R. Puglisi, Istituto Sperimentale Italiano Lazzaro Spallanzani (Italy)

Published in SPIE Proceedings Vol. 8428:
Micro-Optics 2012
Hugo Thienpont; Jürgen Mohr; Hans Zappe; Hirochika Nakajima, Editor(s)

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