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Proceedings Paper

New fabrication technique for random-hole optical fibers
Author(s): Gary R. Pickrell; Navin J. Manjooran; Nitin K. Goel
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Paper Abstract

A new type of optical fiber waveguide utilizing random holes in the cladding region has recently been fabricated. These random hole optical fibers (RHOFs) rely on holes that are random in both size and spatial location to confine light to the central core region. In this paper, a new technique to fabricate the holes in the cladding region will be presented. The holes are formed in-situ during the fiber drawing process. The new technique reported in this paper utilizes a material, which oxidizes to form a very large amount of “bubbles” at the temperature of the fiber draw. During the fiber drawing process, these bubbles are then drawn out into small diameter tubes within the fiber. By controlling the fabrication conditions, the amount, size, and spatial location of the porosity within the fiber can be controlled. The technique of fabrication and optical as well as SEM micrographs of the resulting structures will be discussed.

Paper Details

Date Published: 14 December 2004
PDF: 9 pages
Proc. SPIE 5589, Fiber Optic Sensor Technology and Applications III, (14 December 2004); doi: 10.1117/12.572947
Show Author Affiliations
Gary R. Pickrell, Virginia Polytechnic Institute and State Univ. (United States)
Navin J. Manjooran, Virginia Polytechnic Institute and State Univ. (United States)
Nitin K. Goel, Virginia Polytechnic Institute and State Univ. (United States)


Published in SPIE Proceedings Vol. 5589:
Fiber Optic Sensor Technology and Applications III
Michael A. Marcus; Brian Culshaw; John P. Dakin, Editor(s)

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