4 papers
Ultrawide Bandwidth Optomechanical Magnetometry Using Flux Concentration
Benjamin J. Carey, Nathaniel Bawden, Fernando Gottardo +4
Low-frequency magnetic fields carry vital information for neuroscience, navigation, and Earth science. However, they are generally weak, making it challenging to measure them with…
Silicon-photonic optomechanical magnetometer
Fernando Gottardo, Benjamin J. Carey, Nathaniel Bawden +7
Optomechanical sensors enable exquisitely sensitive force measurements, with emerging applications across quantum technologies, standards, fundamental science, and engineering. Mag…
Precision optomechanical accelerometer via hybrid test mass integration
Nathaniel Bawden, Benjamin J. Carey, Poh-Meng Yeo +7
Accelerometers offer motion sensing capabilities across a wide range of areas, enabling navigational awareness in consumer goods and defense applications, and playing a key role in…
Fibre-coupled photonic crystal hydrophone
Lauren R. McQueen, Nathaniel Bawden, Benjamin J. Carey +3
Many applications, including medical diagnostics, sonar and navigation rely on the detection of acoustic waves. Photonic hydrophones demonstrate comparable sensitivity to piezoelec…