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Femtosecond laser inscribed Bragg grating arrays in long lengths of polymer optical fibres; a route to practical sensing with POF

Lacraz, A ; Theodosiou, A ; Kalli, K

Electronics letters, 2016-09, Vol.52 (19), p.1626-1627 [Periódico revisado por pares]

The Institution of Engineering and Technology

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Título:
Femtosecond laser inscribed Bragg grating arrays in long lengths of polymer optical fibres; a route to practical sensing with POF
Autor: Lacraz, A ; Theodosiou, A ; Kalli, K
Assuntos: Bragg grating demodulator ; Bragg gratings ; C‐band ; demodulators ; Diffraction gratings ; direct write method ; Femtosecond ; femtosecond laser ; Fibre ; fibre Bragg gratings ; fibre length ; fibre optic sensors ; Gratings (spectra) ; high‐speed optical techniques ; inscribed Bragg grating arrays ; multiplexed POF sensors ; Multiplexing ; Optical fibers ; optical loss ; optical losses ; optical polymers ; perfluorinated fibre ; Photonics ; polymer optical fibres ; sensing devices ; Sensors ; telecommunication applications
É parte de: Electronics letters, 2016-09, Vol.52 (19), p.1626-1627
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: The first practical demonstration of readily useable fibre Bragg gratings in long lengths (>20 m) of polymer optical fibres (POFs) is reported; this is an increase in fibre length that exceeds two orders of magnitude for use in the C-band. A low loss perfluorinated fibre and a femtosecond-laser, direct-write method to inscribe gratings at two different wavelengths are used. Gratings are fabricated to operate at ∼800 nm, where the optical loss is minimal, and in the C-band, commonly used with traditional optical fibres for the majority of telecommunication applications. The development of POF Bragg gratings inscribed in long fibre lengths is the first important step for the integration of practical sensing devices and could promote the use of multiplexed POF sensors. The sensors were tested and characterised and demonstrate their compatibility with a commercial Bragg grating demodulator.
Editor: The Institution of Engineering and Technology
Idioma: Inglês

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Femtosecond laser inscribed Bragg grating arrays in long lengths of polymer optical fibres; a route to practical sensing with POF

Lacraz, A ; Theodosiou, A ; Kalli, K

The Institution of Engineering and Technology

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