You are invited to attend the 2013 Bagrit Lecture:

“Photoacoustic tomography: beating diffusion and diffraction”

Professor Lihong Wang, Gene K. Beare Distinguished Professor, Washington University in St Louis

Date:  Monday 10 June 2013

Time: 17:30

Venue: Lecture Theatre G16, Sir Alexander Fleming Building, South Kensington Campus (building no.33 on the map).

RSVP:  Angela Glyes  a.glyes@imperial.ac.uk

Photoacoustic tomography (PAT) combines non-ionising optical and ultrasonic waves via the photoacoustic effect to provide in vivo multiscale functional and molecular imaging. In PAT, pulsed laser light penetrates the tissue and generates a small but rapid temperature rise, which induces emission of ultrasonic waves thermoelastically. The ultrasonic waves, ~1000 times less scattering than optical waves in tissue, are then detected to form high-resolution images at depths up to 7 cm, breaking through the optical diffusion limit (~1 mm in the skin).

Super-resolution beyond the optical diffraction limit has also been achieved recently. PAT is the only modality capable of imaging across the length scales of organelles, cells, tissues, and organs with consistent contrast. This technology has the potential to accelerate translation from microscopic laboratory discoveries to macroscopic clinical practice.

Lihong Wang earned his PhD at Rice University, Houston, USA, under the tutelage of Robert Curl, Richard Smalley and Frank Tittel. His laboratory invented functional photoacoustic tomography, 3D photoacoustic microscopy, and time-reversed ultrasonically encoded (TRUE) optical focusing.

Professor Wang has published 335 journal articles and delivered 357 invited talks. His Google Scholar h-index and citations have reached 75 and 22,500 respectively and he has received 33 grants as PI with a budget of $39 million. He co-founded two companies to commercialise photoacoustic tomography.

He is the Editor-in-Chief of the Journal of Biomedical Optics and a Fellow of the AIMBE, OSA, IEEE, and SPIE. He was awarded OSA’s C.E.K. Mees Medal and IEEE’s Technical Achievement Award for “seminal contributions to photoacoustic tomography and Monte Carlo modelling of photon transport in biological tissues and for leadership in the international biophotonics community”.

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