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Laser-drilled free-form silica fiber preforms for microstructured optical fibers

 
: Becker, M.; Werner, M.; Fitzau, O.; Esser, D.; Kobelke, J.; Lorenz, A.; Schwuchow, A.; Rothhardt, M.; Schuster, K.; Hoffmann, D.; Bartelt, H.

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Optical Fiber Technology 19 (2013), Nr.5, S.482-485
ISSN: 1068-5200
Englisch
Zeitschriftenaufsatz
Fraunhofer ILT ()

Abstract
We describe a laser drilling technology suitable for structuring solid glass preforms for microstructured optical fibers. This technology offers the possibility to prepare complex preform designs that cannot be easily managed by the stack-and-draw technology. As a proof of concept, we present a four-ring hexagonal hole structure drilled in a silica rod over a length of 80 mm. A fiber drawn from such a preform has been analyzed to demonstrate the feasibility of this concept.

: http://publica.fraunhofer.de/dokumente/N-254693.html