Skip to content
Back to outputs

A portable instrument for non-contact giant magnetoresistance measurements utilizing the magnetorefractive effect and infrared fibres

Research output: Contribution to journalArticlepeer-review

Standard

A portable instrument for non-contact giant magnetoresistance measurements utilizing the magnetorefractive effect and infrared fibres. / Stanton, T.; Vopson, Melvin; Thompson, S.

In: Measurement Science and Technology, Vol. 19, No. 12, 2008, p. 125701.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Vancouver

Author

Stanton, T. ; Vopson, Melvin ; Thompson, S. / A portable instrument for non-contact giant magnetoresistance measurements utilizing the magnetorefractive effect and infrared fibres. In: Measurement Science and Technology. 2008 ; Vol. 19, No. 12. pp. 125701.

Bibtex

@article{a97baebd3ee34f6087640f1327f167c7,
title = "A portable instrument for non-contact giant magnetoresistance measurements utilizing the magnetorefractive effect and infrared fibres",
abstract = "A portable, low-cost instrument is presented capable of non-contact giant magnetoresistance (GMR) measurements through correlation with the magnetorefractive effect. Each component has been optimized for signal-to-noise ratio, portability and economy. The final design incorporates a pulsable thin-film infrared emitter which floods the surface of the sample providing reflected radiation focused by a lens into an infrared transmitting fibre. This shields the signal and transports it to a lithium tantalate pyroelectric detector. The measurements are performed at 5 Hz, allowing phase sensitive discrimination to reduce noise levels. The instrument is tested on a CoFe/Cu GMR multilayer and its response demonstrated to compare very favourably with larger more expensive instruments providing new opportunities for the remote sensing of GMR.",
author = "T. Stanton and Melvin Vopson and S. Thompson",
year = "2008",
doi = "10.1088/0957-0233/19/12/125701",
language = "English",
volume = "19",
pages = "125701",
journal = "Measurement Science and Technology",
issn = "0957-0233",
publisher = "IOP Publishing",
number = "12",

}

RIS

TY - JOUR

T1 - A portable instrument for non-contact giant magnetoresistance measurements utilizing the magnetorefractive effect and infrared fibres

AU - Stanton, T.

AU - Vopson, Melvin

AU - Thompson, S.

PY - 2008

Y1 - 2008

N2 - A portable, low-cost instrument is presented capable of non-contact giant magnetoresistance (GMR) measurements through correlation with the magnetorefractive effect. Each component has been optimized for signal-to-noise ratio, portability and economy. The final design incorporates a pulsable thin-film infrared emitter which floods the surface of the sample providing reflected radiation focused by a lens into an infrared transmitting fibre. This shields the signal and transports it to a lithium tantalate pyroelectric detector. The measurements are performed at 5 Hz, allowing phase sensitive discrimination to reduce noise levels. The instrument is tested on a CoFe/Cu GMR multilayer and its response demonstrated to compare very favourably with larger more expensive instruments providing new opportunities for the remote sensing of GMR.

AB - A portable, low-cost instrument is presented capable of non-contact giant magnetoresistance (GMR) measurements through correlation with the magnetorefractive effect. Each component has been optimized for signal-to-noise ratio, portability and economy. The final design incorporates a pulsable thin-film infrared emitter which floods the surface of the sample providing reflected radiation focused by a lens into an infrared transmitting fibre. This shields the signal and transports it to a lithium tantalate pyroelectric detector. The measurements are performed at 5 Hz, allowing phase sensitive discrimination to reduce noise levels. The instrument is tested on a CoFe/Cu GMR multilayer and its response demonstrated to compare very favourably with larger more expensive instruments providing new opportunities for the remote sensing of GMR.

U2 - 10.1088/0957-0233/19/12/125701

DO - 10.1088/0957-0233/19/12/125701

M3 - Article

VL - 19

SP - 125701

JO - Measurement Science and Technology

JF - Measurement Science and Technology

SN - 0957-0233

IS - 12

ER -

ID: 196017