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University of Birmingham > Talks@bham > Metamaterials and Nanophotonics Group Seminars > Advancing biomedical photoacoustic imaging using structured light and optical microresonators
Advancing biomedical photoacoustic imaging using structured light and optical microresonatorsAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Dr Miguel Navarro-Cia. Photoacoustic (PA) imaging is an emerging biomedical imaging technique in which pulsed light excites ultrasound waves in living tissues. Detecting these waves allows imaging tissue structures such as blood vessels, with sub-100 µm spatial resolution, at mm to cm scale depths in tissue. The technique has a range of potential applications, including in cancer and cardiovascular imaging. However, realising its full potential requires imaging deeper in tissue, and the challenge is measuring weaker signals. I will discuss two areas of research aiming to address this challenge. The first involves developing ultrasensitive sensors based on optical microresonators which can detect the weaker signals generated deeper in tissue. The second involves using optical wavefront shaping techniques to shape the PA excitation light so as to generate stronger signals deeper in tissue. The talk will primarily be about optical and ultrasonic physics and engineering, set against a backdrop of biological and medical imaging applications. This talk is part of the Metamaterials and Nanophotonics Group Seminars series. This talk is included in these lists:Note that ex-directory lists are not shown. |
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