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Explore cutting-edge developments in nanoscale plasmonics and electron manipulation through this 54-minute seminar by Albert Polman from NWO Institute AMOLF. Discover how cathodoluminescence (CL) microscopy using 1-30 keV electrons in scanning electron microscopes enables true 3D nanoscale reconstruction of plasmonic near fields, a breakthrough that has remained elusive for two decades. Learn about the innovative plasmon interferometry technique that analyzes coherent radiation from plasmon excitation and interference patterns to retrieve plasmon phase and amplitude in three dimensions. Understand how this technology opens new possibilities for metrology applications, including the reconstruction of 3D geometries and potential tomography of electronic integrated circuits. Delve into groundbreaking research on quantum mechanical wavepacket shaping of high-energy electrons using intense laser light, which enables the creation of split and chirped electron wavepackets for novel materials spectroscopies. Gain insights into how plasmon nano-optics has revolutionized the design of high-efficiency photovoltaics, light-driven catalytic reactors, and optical metamaterials with tailored light scattering properties. The presentation covers the intersection of nanophotonics, quantum mechanics, and advanced microscopy techniques, providing a comprehensive overview of how these technologies are advancing our understanding and manipulation of light-matter interactions at the nanoscale.
