Ultrasonography and photoacoustic,(optoacoustic) tomography have recently seen great
advances in hardware and algorithms. However, current high-end systems still use a matrix …

Medical ultrasound and optoacoustic (photoacoustic) imaging commonly rely on the
concepts of beam-forming and tomography for image formation, enabled by piezoelectric …

The internal ultrasonic field of an acousto-optic crystal determines the effects of acousto-
optic modulator (AOM) devices. Conventionally, schlieren method is used for the …

Silicon photonics is an emerging platform for acoustic sensing, offering exceptional
miniaturization and sensitivity. While efforts have focused on silicon-based resonators …

The detection of ultrasound via optical resonators is conventionally performed by tuning a
continuous-wave (CW) laser to the linear slope of the resonance and monitoring the …

We propose and demonstrate the use of a single-frequency laser and an acousto-optic
modulator (AOM) for quadrature demodulation of fiber-optic ultrasonic sensors whose …

In optical detection of ultrasound, resonators with high Q-factors are often used to maximize
sensitivity. However, in order to perform parallel interrogation, conventional interferometric …

Silicon photonics holds promise for a new generation of ultrasound-detection technology,
based on optical resonators, with unparalleled miniaturization levels, sensitivities, and …

Coherence-restored pulse interferometry (CRPI) is a recently developed method for optical
detection of ultrasound that achieves shot-noise-limited sensitivity and high dynamic range …

Ultrasound detection via optical resonators can achieve high levels of miniaturization and
sensitivity as compared to piezoelectric detectors, but its scale-up from a single detector to …