A photoacoustic microscopy system using MEMS and fibre tip transducers for all-optical control

Mark Donnachie; Peter W. Tinning; Deepak Uttamchandani; Ralf Bauer

doi:10.1117/12.2609765

3 March 2022 A photoacoustic microscopy system using MEMS and fibre tip transducers for all-optical control

Mark Donnachie, Peter W. Tinning, Deepak Uttamchandani, Ralf Bauer

Proceedings Volume 11960, Photons Plus Ultrasound: Imaging and Sensing 2022; 1196018 (2022) https://doi.org/10.1117/12.2609765
Event: SPIE BiOS, 2022, San Francisco, California, United States

Abstract

A 3D photoacoustic microscopy (PAM) system is presented and characterized, using optical MEMS and fibre tip transducers as active elements to provide all-optical positioning and read-out. The excitation beam position is controlled using an electrostatically actuated 2-axis MEMS scanner. This allows for fast 3D scanning without motion-induced artefacts caused by stage scanning, and selective imaging of regions of interest. A 20 MHz fibre tip transducer is used for acoustic detection, which allows a variety of sample holders to be used including common approaches such as multi-well plates and petri-dishes.

Citation Download Citation

Mark Donnachie, Peter W. Tinning, Deepak Uttamchandani, and Ralf Bauer "A photoacoustic microscopy system using MEMS and fibre tip transducers for all-optical control", Proc. SPIE 11960, Photons Plus Ultrasound: Imaging and Sensing 2022, 1196018 (3 March 2022); https://doi.org/10.1117/12.2609765

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