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Proceedings Paper

Femtosecond laser inscription of Bragg and complex gratings in coated and encapsulated silica and low-loss polymer optical fibers
Author(s): Kyriacos Kalli; Amedee Lacraz; Michael Polis; Andreas Othonos
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Paper Abstract

The development of wavelength filters, such as Bragg and superstructure gratings in glass and polymer optical fibers, using a femtosecond laser is reported. By using a femtosecond laser operating in the green, which offers greater inscription efficiency, we demonstrate the reliable inscription of Bragg and superstructure gratings in coated silica and low-loss CYTOP polymer optical fibers. We employ line by line and point by point inscription methods, allowing for multiple and overlapping gratings in the fiber core. Moreover, we demonstrate a novel fibre Bragg grating inscription technique to modify and add versatility to an existing, encapsulated optical fiber pressure sensor.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96343N (28 September 2015); doi: 10.1117/12.2195627
Show Author Affiliations
Kyriacos Kalli, Cyprus Univ. of Technology (Cyprus)
Amedee Lacraz, Cyprus Univ. of Technology (Cyprus)
Michael Polis, Cyprus Univ. of Technology (Cyprus)
Andreas Othonos, Univ. of Cyprus (Cyprus)


Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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