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Title: Point-by-point Bragg grating inscription in single-mode microstructure fibre using NIR femtosecond laser
Authors: Kalli, Kyriacos 
Geernaert, Thomas
Komodromos, Michael
Nasilowski, Tomasz
Urbanczyk, Waclaw
Wojcik, Jan
Berghmans, Francis
Thienpont, Hugo
Koutsides, Charalambos 
Category: Electrical Engineering, Electronic Engineering, Information Engineering
Field: Engineering and Technology
Issue Date: 2009
Publisher: SPIE--The International Society for Optical Engineering
Source: 20th International Conference on Optical Fibre Sensors, 2009, Vol. 7503, 75037O
Abstract: We report on the first inscription of fibre Bragg gratings in microstructure optical fibre using a NIR femtosecond laser system, inscribed using the point-by-point method, and without the use of any oil immersion techniques to remove the effects of fibre curvature or the role of the holey microstructure. The Bragg gratings are second order and recorded in a microstructure optical fibre that is highly birefringent, single-mode at 1550nm, photosensitive and compatible with FBG inscription technology due to the minimized number of air holes surrounding the fibre core. Both axial strain and temperature sensitivity are measured.
DOI: 10.1117/12.835339
Rights: © 2009 SPIE--The International Society for Optical Engineering.
Type: Conference Papers
Appears in Collections:Δημοσιεύσεις σε συνέδρια/Conference papers

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