Magneto-optic linear displacement sensor with high spatial-resolution and low noise

Lee, S. J., Melikhov, Yevgen ORCID: https://orcid.org/0000-0002-9787-5238, Jiles, David, Park, C. M. and Hauser, H. 2006. Magneto-optic linear displacement sensor with high spatial-resolution and low noise. Journal of Applied Physics 99 (8) , 08B301. 10.1063/1.2159390

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Abstract

A magneto-optic linear-displacement (MOLD) sensor is reported for measuring linear displacements of the surfaces of materials remotely. It is based on observation of temporal changes in the intensity of the reflected polarized light beam, which passes through a magneto-optic thin garnet film with controlled periodical displacement of one domain wall. The MOLD sensor allows observation of linear displacement of a material located remotely from the laser and detector with a spatial resolution of 4 μm.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	Q Science > QC Physics
Publisher:	American Institute of Physics
ISSN:	0021-8979
Last Modified:	06 Jul 2023 18:31
URI:	https://orca.cardiff.ac.uk/id/eprint/7911

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