Non-contact optical magnetic field sensor based on metamaterial nanomechanics

• Main Authors: Lan, Guoqiang, Ou, Jun-Yu, Papas, Dimitrios, Zheludev, Nikolay I., Plum Eric
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2023
• Subjects: Engineering::Electrical and electronic engineering; Magnetic Fields Sensors; Optical Magnetic Fields
• Online Access: https://hdl.handle.net/10356/164362
• Institution: Nanyang Technological University

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...