3 papers
physics.app-ph2025
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…
physics.optics2025
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…
physics.app-ph2023
Quantitative Profilometric Measurement of Magnetostriction in Thin-Films
Hamish Greenall, Benjamin J. Carey, Douglas Bulla +5
A DC non-contact method for measuring the magnetostrictive strain in thin-films is demonstrated, achieving a state-of-the-art sensitivity of 0.1 ppm. In this method, an optical pro…