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Conferences > CLEO_AT > 2017 > AW1B > AW1B.6

Towards a Scalable Ultrasensitive Optomechanical Magnetometer

Varun Prakash, Beibei Li, Stefan Forstner, Douglas Bulla, Scott Forster, Halina Rubinsztein-Dunlop, and Warwick Bowen

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Abstract

Optomechanical magnetometers have been previously demonstrated to achieve sensitivities comparable to the state-of-the-art magnetometers of comparable size. They combine the ultra-precise cavity optomechanical measurement and magnetostrictive response of terfenol-d. We have achieved reproducible sensitivities of 600 pT/√Hz using a combination of standard photolithography and sputter deposition techniques which provides a pathway for scalable magnetometers for diverse applications.

© 2017 Optical Society of America

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