University of Birmingham > Talks@bham > Metamaterials and Nanophotonics Group Seminars > Broadband and ultrafast near-field spectroscopy and imaging

Broadband and ultrafast near-field spectroscopy and imaging

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If you have a question about this talk, please contact Dr Miguel Navarro-Cia.

Remarkable breakthroughs in science throughout history are inherently linked to advances in the study of light-matter interactions. The understanding of new physical concepts and the development of novel optical tools were the driving forces behind ground-breaking multi-disciplinary discoveries in a variety of research fields. For the past two decades we have witnessed major advances in nano-optics and ultrafast physics, allowing for the exploration of phenomena in higher spatial and temporal resolution than ever before. In my talk I will share with you our efforts and success in merging these extreme resolution capabilities in order to study ultrafast phenomena at nanoscale resolution. Such developments allow us to observe and in the future to control ultrafast phenomena in a spatio-temporal window of 20fs-15nm at various wavelength regimes from the visible to the mid-infrared. In particular, I will present our recent achievements in combining ultrabroadband sources with our scattering near field microscope allowing observation of the broad frequency response as well as the ultrafast transient dynamics of plasmonic systems and in multilayer WSe2.

This talk is part of the Metamaterials and Nanophotonics Group Seminars series.

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