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High frequency current sensing using optical fiber micro-wire

High frequency current sensing using optical fiber micro-wire
High frequency current sensing using optical fiber micro-wire
Fiber-optic current sensors exploiting the Faraday effect have attracted a great deal of interest due to their wide dynamic range, robustness and remote sensing capability. Recently a new approach to current sensing using optical fiber micro-wire (OFM) with 5µm diameter in the configuration of a micro-coil (MC) has been proposed and successfully demonstrated [1]. It featured high compactness, robustness, configurability and excellent confinement of light and was able to demonstrate its ability to sense currents with a 1µs rise time. In this paper we present a major improvement in the current sensing bandwidth, demonstrating a capability to detect a fast current pulse with pulse width (full width at half maximum: FWHM) of 6.7ns.
Chen, George Y.
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Belal, Mohammad
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Jung, Yongmin
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Brambilla, Gilberto
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Newson, Trevor
6735857e-d947-45ec-8163-54ebb25daad7
Chen, George Y.
b766d3f7-a6dc-4c15-8f00-17ad044348c1
Belal, Mohammad
33550de9-0df1-4c90-bae6-3eb65c62778a
Jung, Yongmin
6685e51e-be47-4c96-8c4b-65aee3b5126d
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Newson, Trevor
6735857e-d947-45ec-8163-54ebb25daad7

Chen, George Y., Belal, Mohammad, Jung, Yongmin, Brambilla, Gilberto and Newson, Trevor (2011) High frequency current sensing using optical fiber micro-wire. European Conference on Lasers and Electro-Optics, Munich, Germany. 22 - 26 May 2011.

Record type: Conference or Workshop Item (Paper)

Abstract

Fiber-optic current sensors exploiting the Faraday effect have attracted a great deal of interest due to their wide dynamic range, robustness and remote sensing capability. Recently a new approach to current sensing using optical fiber micro-wire (OFM) with 5µm diameter in the configuration of a micro-coil (MC) has been proposed and successfully demonstrated [1]. It featured high compactness, robustness, configurability and excellent confinement of light and was able to demonstrate its ability to sense currents with a 1µs rise time. In this paper we present a major improvement in the current sensing bandwidth, demonstrating a capability to detect a fast current pulse with pulse width (full width at half maximum: FWHM) of 6.7ns.

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More information

e-pub ahead of print date: 2011
Additional Information: CH6.4
Venue - Dates: European Conference on Lasers and Electro-Optics, Munich, Germany, 2011-05-22 - 2011-05-26
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 341456
URI: http://eprints.soton.ac.uk/id/eprint/341456
PURE UUID: e92efd92-8e0b-4220-b97e-317943a71e23
ORCID for Mohammad Belal: ORCID iD orcid.org/0000-0001-5175-3158

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Date deposited: 25 Jul 2012 10:51
Last modified: 05 Nov 2019 01:44

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