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Title: Non-contact optical magnetic field sensor based on metamaterial nanomechanics
Authors: Lan, Guoqiang
Ou, Jun-Yu
Papas, Dimitrios
Zheludev, Nikolay I.
Plum Eric
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2022
Source: Lan, G., Ou, J., Papas, D., Zheludev, N. I. & Plum Eric (2022). Non-contact optical magnetic field sensor based on metamaterial nanomechanics. APL Photonics, 7(3), 036101-.
Project: MOE2016-T3-1-006 (S) 
Journal: APL Photonics
Abstract: We demonstrate a non-contact optical magnetic field sensor that is based on actuation of a metamaterial-microcavity by the magnetic Lorentz force. Magnetic field is transduced to a change of the sensor's reflectivity. The microscale proof-of-concept metamaterial magnetometer can be read from a distance and offers 60 μm spatial, about 10 μs temporal, and sub-microtesla magnetic field resolution.
ISSN: 2378-0967
DOI: 10.1063/5.0081849
Schools: School of Physical and Mathematical Sciences 
Research Centres: Centre for Disruptive Photonic Technologies (CDPT) 
The Photonics Institute 
Rights: © 2022 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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