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Proceedings Paper

Special diffractive elements for optical trapping fabricated on optical fiber tips using the focused ion beam
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Paper Abstract

In this work, spiral phase lenses and Fresnel zone lenses for beam tailoring, fabricated on the tip of optical fibers, are reported. The spiral phase lenses allow tailoring the fundamental guided mode, a Gaussian beam, into a Laguerre - Gaussian profile without using additional optical elements. Whereas, the Fresnel lenses are used as focusing systems. The lenses are fabricated using Focused Ion Beam milling, enabling high resolution in the manufacturing process. The output optical intensity profiles matching the numerical simulations are presented and analyzed.

Paper Details

Date Published: 30 May 2016
PDF: 4 pages
Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 99161N (30 May 2016); doi: 10.1117/12.2236983
Show Author Affiliations
R. S. Rodrigues Ribeiro, INESC TEC (Portugal)
Univ. do Porto (Portugal)
Masdar Institute of Science & Technology (United Arab Emirates)
A. Guerreiro, INESC TEC (Portugal)
Univ. do Porto (Portugal)
J. Viegas, Masdar Institute of Science & Technology (United Arab Emirates)
P. A. S. Jorge, INESC TEC (Portugal)
Univ. do Porto (Portugal)


Published in SPIE Proceedings Vol. 9916:
Sixth European Workshop on Optical Fibre Sensors
Elfed Lewis, Editor(s)

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