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Keisuke GODA (University of Tokyo)

Sub-picosecond Imaging of “Propagating Phonons”

Title: Extreme imaging and beyond
Author: Keisuke Goda
Affiliation: Professor of Physical Chemistry, Department of Chemistry, School of Science, University of Tokyo
Email: goda[at]chem.s.u-tokyo.ac.jp
URL: http://www.goda.chem.s.u-tokyo.ac.jp
Abstract:

Sub-picosecond Imaging of “Propagating Phonons”
Heat propagates as propagation of lattice vibration of atoms, i.e. phonon propagation. The entity of heat transfer was captured with an advanced ultra-high-speed imaging technology “STAMP”.

High-speed optical imaging is an essential tool for studying fast transient dynamics in a broad range of fields such as plasma physics, fluidics, phononics, and photochemistry. Unfortunately, conventional detector-array-based image sensors are not fast enough to capture such events with high sensitivity. In this talk, I will introduce a few unconventional approaches to ultrafast optical imaging that overcome the limitations of the conventional imaging methods and offer a few orders of magnitude higher frame rate and shutter speed. I will also present a new class of industrial and biomedical applications the ultrafast imagers have brought us.
Biographical Sketch: Keisuke Goda is a Professor of Physical Chemistry and Department Vice-Chair in the Department of Chemistry at the University of Tokyo. He obtained a B.A. degree from UC Berkeley and a Ph.D. degree from MIT, both in physics. After several years of research at Caltech and UCLA, he joined the University of Tokyo as a professor in 2012 while holding an adjunct position at UCLA. His research group (http://www.goda.chem.s.u-tokyo.ac.jp) focuses on the development of innovative optical imaging and spectroscopy methods and the exploitation of novel applications for industry, energy, and medicine. He has been awarded Burroughs Wellcome Fund Career Award at the Scientific Interface, Konica Minolta Imaging Science Award, MEXT Young Scientist Award, and IEEE Photonics Society Distinguished Lecturers Award. In addition, he was selected by World Economic Forum as a Young Global Leader for recognizing his leadership in global education and research. He served as Co-Chair of IEEE Photonics Society’s Los Angeles Chapter from 2007 to 2011 and Conference Chair of SPIE Photonics Asia in 2014 and currently serves as Conference Chair of SPIE Photonics West BIOS. He also serves as an Associate Editor for APL Photonics.

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