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Title: Femtosecond laser microstructuring through optical fibre end faces - Inscription of surface gratings and sub-surface splitters
Authors: Sugden, Kate 
Lee, Graham 
Kalli, Kyriacos 
Komodromos, Michael 
Koutsides, Charalambos 
Keywords: Coarse wavelength division multiplexing;End-devices;Femtosecond laser inscriptions;Fibre couplers;Fibre sensors;Laser microstructuring;Surface grating;Two-dimensional grating;Diffraction;Fibers;Fourier optics;Optical fibers;Sensors;Two dimensional;Ultrashort pulses;Diffraction gratings
Category: Electrical Engineering - Electronic Engineering - Information Engineering
Field: Engineering and Technology
Issue Date: 17-Oct-2012
Source: (2012) Proceedings of SPIE - The International Society for Optical Engineering, 8421, art. no. 842111; 22nd International Conference on Optical Fiber Sensors, 2012, Beijing, China
Journal: Proceedings of SPIE - The International Society for Optical Engineering 
Conference: International Conference on Optical Fiber Sensors 
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. 2012 SPIE.
ISBN: 978-081949103-9
ISSN: 0277-786X (print)
DOI: 10.1117/12.968395
Rights: @ 2012 SPIE
Type: Conference Papers
Appears in Collections:Δημοσιεύσεις σε συνέδρια/Conference papers

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