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Proceedings Paper

Femtosecond laser microstructuring through optical fibre end faces: inscription of surface gratings and sub-surface splitters
Author(s): Graham C. B. Lee; Kyriacos Kalli; Charalambos Koutsides; Michael Komodromos; Kate Sugden
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Paper Abstract

We present the results of femtosecond laser microstructuring of optical fibres by direct access of the fibre end face, both at the surface and several hundred microns into the fibre, to realise one- and two-dimensional grating structures and optical fibre splitters, respectively. We show the versatility of this simple but effective inscription method, where we demonstrate classic multiple slit diffraction patterns and show the potential for coarse wavelength division multiplexing for sensor signals. A key advantage for the fibre splitter is that the inscription method avoids the use of oil immersion that compensate for the fibre curvature in the standard side writing method.

Paper Details

Date Published: 17 October 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842111 (17 October 2012); doi: 10.1117/12.968395
Show Author Affiliations
Graham C. B. Lee, Aston Univ. (United Kingdom)
Kyriacos Kalli, Cyprus Univ. of Technology (Cyprus)
Charalambos Koutsides, Cyprus Univ. of Technology (Cyprus)
Michael Komodromos, Frederick Univ. (Cyprus)
Kate Sugden, Aston Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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