Characterisation and performance of a Terfenol-D coated femtosecond laser inscribed optical fibre Bragg sensor with a laser ablated microslot for the detection of static magnetic fields

Graham N. Smith; Thomas D.P. Allsop; Kyriacos Kalli; Charalambos Koutsides; Ron Neal; Kate Sugden; Philip Culverhouse; Ian Bennion

doi:10.1364/OE.19.000363

Characterisation and performance of a Terfenol-D coated femtosecond laser inscribed optical fibre Bragg sensor with a laser ablated microslot for the detection of static magnetic fields

Graham N. Smith, Thomas D.P. Allsop, Kyriacos Kalli, Charalambos Koutsides, Ron Neal, Kate Sugden, Philip Culverhouse, Ian Bennion

Research output: Contribution to journal › Article › peer-review

Abstract

We present a novel device for the characterisation of static magnetic fields through monitoring wavelength shifts of femtosecond inscribed fibre Bragg grating and micromachined slot, coated with Terfenol-D. The device was sensitive to static magnetic fields and can be used as a vectoral sensor for the detection of magnetic fields as low as 0.046 mT with a resolution of ± 0.3mT in transmission and ± 0.7mT in reflection. The use of a femtosecond laser to both inscribe the FBGs and micromachine the slot in a single stage prior to coating the device significantly simplifies the fabrication.

Original language	English
Pages (from-to)	363-370
Number of pages	8
Journal	Optics Express
Volume	19
Issue number	1
DOIs	https://doi.org/10.1364/OE.19.000363
Publication status	Published - 3 Jan 2011

Bibliographical note

© 2010 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-1-363. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Keywords

static magnetic fields
monitoring
wavelength shifts
femtosecond inscribed fibre Bragg grating
micromachined slot
Terfenol-D
vectoral sensor
magnetic fields
femtosecond laser

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10.1364/OE.19.000363

Characterisation and performance of a Terfenol-D coated femtosecond laser inscribed optical fibre Bragg sensor with a laser ablated microslot for the detection of static magnetic fields
© 2010 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-1-363. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-1-363

Cite this

Smith, G. N., Allsop, T. D. P., Kalli, K., Koutsides, C., Neal, R., Sugden, K., Culverhouse, P., & Bennion, I. (2011). Characterisation and performance of a Terfenol-D coated femtosecond laser inscribed optical fibre Bragg sensor with a laser ablated microslot for the detection of static magnetic fields. Optics Express, 19(1), 363-370. https://doi.org/10.1364/OE.19.000363

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title = "Characterisation and performance of a Terfenol-D coated femtosecond laser inscribed optical fibre Bragg sensor with a laser ablated microslot for the detection of static magnetic fields",

abstract = "We present a novel device for the characterisation of static magnetic fields through monitoring wavelength shifts of femtosecond inscribed fibre Bragg grating and micromachined slot, coated with Terfenol-D. The device was sensitive to static magnetic fields and can be used as a vectoral sensor for the detection of magnetic fields as low as 0.046 mT with a resolution of ± 0.3mT in transmission and ± 0.7mT in reflection. The use of a femtosecond laser to both inscribe the FBGs and micromachine the slot in a single stage prior to coating the device significantly simplifies the fabrication.",

keywords = "static magnetic fields, monitoring, wavelength shifts, femtosecond inscribed fibre Bragg grating, micromachined slot, Terfenol-D, vectoral sensor, magnetic fields, femtosecond laser",

author = "Smith, {Graham N.} and Allsop, {Thomas D.P.} and Kyriacos Kalli and Charalambos Koutsides and Ron Neal and Kate Sugden and Philip Culverhouse and Ian Bennion",

note = "{\textcopyright} 2010 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-1-363. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.",

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Smith, GN, Allsop, TDP, Kalli, K, Koutsides, C, Neal, R, Sugden, K, Culverhouse, P & Bennion, I 2011, 'Characterisation and performance of a Terfenol-D coated femtosecond laser inscribed optical fibre Bragg sensor with a laser ablated microslot for the detection of static magnetic fields', Optics Express, vol. 19, no. 1, pp. 363-370. https://doi.org/10.1364/OE.19.000363

Characterisation and performance of a Terfenol-D coated femtosecond laser inscribed optical fibre Bragg sensor with a laser ablated microslot for the detection of static magnetic fields. / Smith, Graham N.; Allsop, Thomas D.P.; Kalli, Kyriacos et al.
In: Optics Express, Vol. 19, No. 1, 03.01.2011, p. 363-370.

Research output: Contribution to journal › Article › peer-review

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Characterisation and performance of a Terfenol-D coated femtosecond laser inscribed optical fibre Bragg sensor with a laser ablated microslot for the detection of static magnetic fields

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