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Lecture/Lecture Series

Electrical and Computer Engineering
Dean of Engineering
Dean of Natural Sciences

Speaker: Prof. Dr. Jochen Feldmann
Professor of Physics
Chair for Photonics and Optoelectronics
Nanosystems Initiative Munich (NIM)
Ludwig-Maximilians-Universtität (LMU)
Munich, Germany

Chapman Distinguished Lecture
The Nano-Gold Rush

Monday, March 25, 2013
4:00 PM  to 5:00 PM

McMurtry Auditorium  George R. Brown Hall
Rice University
6100 Main St
Houston, Texas, USA

The potential of noble metal nanostructures for various optical phenomena such as “enhancing local electric fields” has been known for a long time but experienced low attention until the end of the last century. Since then research on noble metal nanostructures has seen a stunning development. As a result, plasmonic applications of noble metal nanostructures can now be seen in all kind of research and technology fields ranging from optoelectronics to biomedical technologies.

I will particularly concentrate on the optical forces, which gold nanoparticles experience when placed into or next to laser foci. Depending on wavelength single nanoparticles can be either trapped or pushed forward by the respective gradient and scattering forces. I will demonstrate several new concepts of optically trapped gold nanoparticles partly combining the effects of optical forces with those of optothermal heating. Applications range from optical printing to the detection of nearby mechanical motions and acoustic signals.

Host: Kevin Kelly

Biography of Prof. Dr. Jochen Feldmann:
Jochen Feldmann is a full professor in the Department of Physics at Ludwig-Maximilians-Universität (LMU) in Munich, Germany. He received a PhD in experimental physics from Philipps-Universität Marburg in 1990. He was a postdoctoral fellow at AT&T Bell Laboratories, where he worked on the first experimental demonstration of Bloch oscillations in semiconductor superlattices. Since 1995 he holds a Chair for Photonics and Optoelectronics at LMU Munich. He worked as as a visiting fellow at JILA (Boulder, USA) and at UCLA (Los Angeles, USA). Jochen Feldmann received scientific awards such as the Gottfried-Wilhelm-Leibniz Award from the German Science Foundation (DFG), the Walter-Schottky Award from the German Physical Society (DPG) and an Advanced Investigator Grant from the European Research Council (ERC). He published more than 270 papers cited more than 11000 times. Currently, his research is focused on the optical properties and applications of noble metal nanoparticles and semiconductor nanocrystals. As Vice-President for Research at LMU (2005-2007) and as Director of the German Excellence Cluster “Nanosystems Initiative Munich” (NIM) (since 2007) he has assumed responsibility for coordinating large scientific institutions.

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