Highly photosensitive polymethyl methacrylate microstructured polymer optical fiber with doped core

D. Sáez Rodríguez, K. Nielsen, H.K. Rasmussen, O. Bang, D.J. Webb

Research output: Contribution to journalArticle

Abstract

In this Letter, we report the fabrication of a highly photosensitive, microstructured polymer optical fiber using benzyl dimethyl ketal as a dopant, as well as the inscription of a fiber Bragg grating in the fiber. A refractive index change in the core of at least 3.2 × 10 has been achieved, providing a grating with a strong transmission rejection of -23 dB with an inscription time of only 13 min. The fabrication method has a big advantage compared to doping step index fiber since it enables doping of the fiber without using extra dopants to compensate for the index reduction in the core introduced by the photosensitive agent.
Original languageEnglish
Pages (from-to)3769-3772
Number of pages4
JournalOptics Letters
Volume38
Issue number19
Early online date19 Sep 2013
DOIs
Publication statusPublished - 1 Oct 2013

Bibliographical note

© 2013 Optical Society of America
This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-19-3769. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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