Overview of ultrasound detection technologies for photoacoustic imaging

R Manwar, K Kratkiewicz, K Avanaki - Micromachines, 2020 - mdpi.com
Ultrasound detection is one of the major components of photoacoustic imaging systems.
Advancement in ultrasound transducer technology has a significant impact on the translation …

Photoacoustic imaging with capacitive micromachined ultrasound transducers: principles and developments

J Chan, Z Zheng, K Bell, M Le, PH Reza, JTW Yeow - Sensors, 2019 - mdpi.com
Photoacoustic imaging (PAI) is an emerging imaging technique that bridges the gap
between pure optical and acoustic techniques to provide images with optical contrast at the …

Lithium niobate-based transparent ultrasound transducers for photoacoustic imaging

A Dangi, S Agrawal, SR Kothapalli - Optics letters, 2019 - opg.optica.org
This Letter demonstrates lithium niobate (LiNbO_3)-based transparent ultrasound
transducers (TUTs) for photoacoustic imaging applications. The TUTs were fabricated by …

Flexible transparent CMUT arrays for photoacoustic tomography

M Ghavami, AK Ilkhechi, R Zemp - Optics Express, 2022 - opg.optica.org
This paper reports the fabrication and characterization of the first flexible transparent
capacitive micromachined ultrasound transducer (CMUT) array for through-illumination …

Optical-resolution photoacoustic microscopy using transparent ultrasound transducer

H Chen, S Agrawal, A Dangi, C Wible, M Osman… - Sensors, 2019 - mdpi.com
The opacity of conventional ultrasound transducers can impede the miniaturization and
workflow of current photoacoustic systems. In particular, optical-resolution photoacoustic …

[HTML][HTML] Progress in biomedical photoacoustic imaging instrumentation toward clinical application

G Paltauf, R Nuster, M Frenz - Journal of applied physics, 2020 - pubs.aip.org
Photoacoustic (optoacoustic) imaging is able to generate highly resolved images of
structures with optical absorption contrast in biological tissues. This is made possible by …

A review of emerging electromagnetic-acoustic sensing techniques for healthcare monitoring

Z Fang, F Gao, H Jin, S Liu, W Wang… - … Circuits and Systems, 2022 - ieeexplore.ieee.org
Conventional electromagnetic (EM) sensing techniques such as radar and LiDAR are widely
used for remote sensing, vehicle applications, weather monitoring, and clinical monitoring …

Manufacturing process of optically transparent ultrasound transducer: A review

R Manwar, K Avanaki - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
Ultrasound (US) transducer is a crucial component for several imaging modalities, where
acoustic sensing is utilized as a part of hybrid or combination of pure optical and US …

Transparent capacitive micromachined ultrasonic transducers (CMUTs) for photoacoustic applications

Z Li, AK Ilkhechi, R Zemp - Optics express, 2019 - opg.optica.org
Integration of acoustic and optical techniques prompted the need for transparent ultrasonic
transducers to guide the light through the transducer and improve the signal to noise ratio. In …

MEMS ultrasound transducers for endoscopic photoacoustic imaging applications

H Wang, Y Ma, H Yang, H Jiang, Y Ding, H Xie - Micromachines, 2020 - mdpi.com
Photoacoustic imaging (PAI) is drawing extensive attention and gaining rapid development
as an emerging biomedical imaging technology because of its high spatial resolution, large …