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Proceedings Paper

Microlens fibers fabricated by a melting-tapering process using a CO2 laser
Author(s): Abdelrafik Malki; Frederic Van Lauwe; Renaud Bachelot; Olivier Latry; Mohamed Ketata; Pascal Royer
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Paper Abstract

Hemispherical microlenses have been fabricated at the end of a single-mode optical fiber by a new two-steps method which uses only a continuous CO2 laser. In the first step, the fiber is heated by the laser and stretched until its split resulting in two symmetrical tapers. In the second step, we form the microlenses by laser melting the taper ends. Parameters of heating and stretching are automated and optimized to ensure the reproducibility. The microlens characterization, including the focal length and beam waist measurements, has been performed. It shows the interest of the microlens-fiber to several applications.

Paper Details

Date Published: 7 May 1999
PDF: 6 pages
Proc. SPIE 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99), (7 May 1999); doi: 10.1117/12.347710
Show Author Affiliations
Abdelrafik Malki, Univ. de Rouen (France)
Frederic Van Lauwe, Univ. de Rouen (France)
Renaud Bachelot, Univ. de Technologie de Troyes (France)
Olivier Latry, Univ. de Rouen (France)
Mohamed Ketata, Univ. de Rouen (France)
Pascal Royer, Univ. de Technologie de Troyes (France)

Published in SPIE Proceedings Vol. 3740:
Optical Engineering for Sensing and Nanotechnology (ICOSN '99)
Ichirou Yamaguchi, Editor(s)

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