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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 32 — Nov. 10, 2001
  • pp: 5860–5871

Integration of micrometer-sized polymer elements at the end of optical fibers by free-radical photopolymerization

Renaud Bachelot, Carole Ecoffet, Denis Deloeil, Pascal Royer, and Daniel-Joseph Lougnot  »View Author Affiliations


Applied Optics, Vol. 40, Issue 32, pp. 5860-5871 (2001)
http://dx.doi.org/10.1364/AO.40.005860


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Abstract

A simple method of manufacturing micrometer-sized polymer elements at the extremity of both single-mode and multimode optical fibers is reported. The procedure consists of depositing a drop of a liquid photopolymerizable formulation on a cleaved fiber and using the light that emerges from the fiber to induce the polymerization process. After exposure and rinsing a polymer tip is firmly attached to the fiber as an extension of the fiber core. It is shown that the tip geometry can be adjusted by the variation of basic parameters such as the geometry of the deposited drop and the conditions of drop illumination. When this process is applied to a multimode fiber three-dimensional molds of the fiber’s linearly polarized modes can be obtained. The process of polymer-tip formation was simulated by a numerical calculation that consisted of an iterative beam-propagation method in a medium whose refractive index is time varying. It is shown that this process is based on the gradual growth, just above the fiber core, of an optical waveguide in the liquid formulation. Experimental data concerning two potential uses of the tipped fibers are presented.

© 2001 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(110.0180) Imaging systems : Microscopy
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials
(220.4000) Optical design and fabrication : Microstructure fabrication
(260.5130) Physical optics : Photochemistry
(260.5430) Physical optics : Polarization

History
Original Manuscript: August 4, 2000
Revised Manuscript: March 27, 2001
Published: November 10, 2001

Citation
Renaud Bachelot, Carole Ecoffet, Denis Deloeil, Pascal Royer, and Daniel-Joseph Lougnot, "Integration of micrometer-sized polymer elements at the end of optical fibers by free-radical photopolymerization," Appl. Opt. 40, 5860-5871 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-32-5860

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